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<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
65612
monetaryItemType
table: <entity> 65612 </entity> <entity type> monetaryItemType </entity type> <context> Deposits on aircraft | ​ ​ | 65,612 | ​ ​ | 77,282 </context>
us-gaap:DepositsOnFlightEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
77282
monetaryItemType
table: <entity> 77282 </entity> <entity type> monetaryItemType </entity type> <context> Deposits on aircraft | ​ ​ | 65,612 | ​ ​ | 77,282 </context>
us-gaap:DepositsOnFlightEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
292682
monetaryItemType
table: <entity> 292682 </entity> <entity type> monetaryItemType </entity type> <context> Buildings, ground equipment and other | ​ ​ | 292,682 | ​ ​ | 282,398 </context>
us-gaap:PropertyPlantAndEquipmentOther
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
282398
monetaryItemType
table: <entity> 282398 </entity> <entity type> monetaryItemType </entity type> <context> Buildings, ground equipment and other | ​ ​ | 292,682 | ​ ​ | 282,398 </context>
us-gaap:PropertyPlantAndEquipmentOther
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
9132864
monetaryItemType
table: <entity> 9132864 </entity> <entity type> monetaryItemType </entity type> <context> Total property and equipment, gross | ​ ​ | 9,132,864 | ​ ​ | 8,682,787 </context>
us-gaap:PropertyPlantAndEquipmentGross
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
8682787
monetaryItemType
table: <entity> 8682787 </entity> <entity type> monetaryItemType </entity type> <context> Total property and equipment, gross | ​ ​ | 9,132,864 | ​ ​ | 8,682,787 </context>
us-gaap:PropertyPlantAndEquipmentGross
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
3545456
monetaryItemType
table: <entity> 3545456 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
3199820
monetaryItemType
table: <entity> 3199820 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
5587408
monetaryItemType
table: <entity> 5587408 </entity> <entity type> monetaryItemType </entity type> <context> Total property and equipment, net | ​ ​ | 5,587,408 | ​ ​ | 5,482,967 </context>
us-gaap:PropertyPlantAndEquipmentNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
5482967
monetaryItemType
table: <entity> 5482967 </entity> <entity type> monetaryItemType </entity type> <context> Total property and equipment, net | ​ ​ | 5,587,408 | ​ ​ | 5,482,967 </context>
us-gaap:PropertyPlantAndEquipmentNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
87731
monetaryItemType
table: <entity> 87731 </entity> <entity type> monetaryItemType </entity type> <context> Operating lease right-of-use assets | ​ ​ | ​ ​ | 87,731 | ​ ​ | ​ ​ | 86,727 </context>
us-gaap:OperatingLeaseRightOfUseAsset
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
86727
monetaryItemType
table: <entity> 86727 </entity> <entity type> monetaryItemType </entity type> <context> Operating lease right-of-use assets | ​ ​ | ​ ​ | 87,731 | ​ ​ | ​ ​ | 86,727 </context>
us-gaap:OperatingLeaseRightOfUseAsset
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
347661
monetaryItemType
table: <entity> 347661 </entity> <entity type> monetaryItemType </entity type> <context> Long-term receivables and other assets | ​ ​ | 347,661 | ​ ​ | 324,703 </context>
us-gaap:OtherAssetsNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
324703
monetaryItemType
table: <entity> 324703 </entity> <entity type> monetaryItemType </entity type> <context> Long-term receivables and other assets | ​ ​ | 347,661 | ​ ​ | 324,703 </context>
us-gaap:OtherAssetsNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
7139867
monetaryItemType
table: <entity> 7139867 </entity> <entity type> monetaryItemType </entity type> <context> Total assets | ​ ​ | $ | 7,139,867 | ​ ​ | $ | 7,026,293 </context>
us-gaap:Assets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Cash and cash equivalents</td><td>​ ​</td><td>$</td><td>227,362</td><td>​ ​</td><td>$</td><td>148,277</td></tr><tr><td>Marketable securities</td><td>​ ​</td><td></td><td>574,266</td><td>​ ​</td><td></td><td>686,946</td></tr><tr><td>Receivables, net</td><td>​ ​</td><td></td><td>122,778</td><td>​ ​</td><td></td><td>82,854</td></tr><tr><td>Inventories, net</td><td>​ ​</td><td></td><td>139,002</td><td>​ ​</td><td></td><td>127,114</td></tr><tr><td>Other current assets</td><td>​ ​</td><td></td><td>53,659</td><td>​ ​</td><td></td><td>86,705</td></tr><tr><td>Total current assets</td><td>​ ​</td><td></td><td>1,117,067</td><td>​ ​</td><td></td><td>1,131,896</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>PROPERTY AND EQUIPMENT:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Aircraft and rotable spares</td><td>​ ​</td><td></td><td>8,774,570</td><td>​ ​</td><td></td><td>8,323,107</td></tr><tr><td>Deposits on aircraft</td><td>​ ​</td><td></td><td>65,612</td><td>​ ​</td><td></td><td>77,282</td></tr><tr><td>Buildings, ground equipment and other</td><td>​ ​</td><td></td><td>292,682</td><td>​ ​</td><td></td><td>282,398</td></tr><tr><td>Total property and equipment, gross</td><td>​ ​</td><td></td><td>9,132,864</td><td>​ ​</td><td></td><td>8,682,787</td></tr><tr><td>Less-accumulated depreciation and amortization</td><td>​ ​</td><td></td><td>( 3,545,456 )</td><td>​ ​</td><td></td><td>( 3,199,820 )</td></tr><tr><td>Total property and equipment, net</td><td>​ ​</td><td></td><td>5,587,408</td><td>​ ​</td><td></td><td>5,482,967</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER ASSETS:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Operating lease right-of-use assets</td><td>​ ​</td><td>​ ​</td><td>87,731</td><td>​ ​</td><td>​ ​</td><td>86,727</td></tr><tr><td>Long-term receivables and other assets</td><td>​ ​</td><td></td><td>347,661</td><td>​ ​</td><td></td><td>324,703</td></tr><tr><td>Total other assets</td><td>​ ​</td><td></td><td>435,392</td><td>​ ​</td><td></td><td>411,430</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
7026293
monetaryItemType
table: <entity> 7026293 </entity> <entity type> monetaryItemType </entity type> <context> Total assets | ​ ​ | $ | 7,139,867 | ​ ​ | $ | 7,026,293 </context>
us-gaap:Assets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
535589
monetaryItemType
table: <entity> 535589 </entity> <entity type> monetaryItemType </entity type> <context> Current maturities of long-term debt | ​ ​ | $ | 535,589 | ​ ​ | $ | 443,869 </context>
us-gaap:LongTermDebtCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
443869
monetaryItemType
table: <entity> 443869 </entity> <entity type> monetaryItemType </entity type> <context> Current maturities of long-term debt | ​ ​ | $ | 535,589 | ​ ​ | $ | 443,869 </context>
us-gaap:LongTermDebtCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
226770
monetaryItemType
table: <entity> 226770 </entity> <entity type> monetaryItemType </entity type> <context> Accrued salaries, wages and benefits | ​ ​ | 226,770 | ​ ​ | 194,881 </context>
us-gaap:EmployeeRelatedLiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
194881
monetaryItemType
table: <entity> 194881 </entity> <entity type> monetaryItemType </entity type> <context> Accrued salaries, wages and benefits | ​ ​ | 226,770 | ​ ​ | 194,881 </context>
us-gaap:EmployeeRelatedLiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
20467
monetaryItemType
table: <entity> 20467 </entity> <entity type> monetaryItemType </entity type> <context> Current maturities of operating lease liabilities | ​ ​ | 20,467 | ​ ​ | 19,335 </context>
us-gaap:OperatingLeaseLiabilityCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
19335
monetaryItemType
table: <entity> 19335 </entity> <entity type> monetaryItemType </entity type> <context> Current maturities of operating lease liabilities | ​ ​ | 20,467 | ​ ​ | 19,335 </context>
us-gaap:OperatingLeaseLiabilityCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
22581
monetaryItemType
table: <entity> 22581 </entity> <entity type> monetaryItemType </entity type> <context> Taxes other than income taxes | ​ ​ | 22,581 | ​ ​ | 26,077 </context>
us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
26077
monetaryItemType
table: <entity> 26077 </entity> <entity type> monetaryItemType </entity type> <context> Taxes other than income taxes | ​ ​ | 22,581 | ​ ​ | 26,077 </context>
us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
96833
monetaryItemType
table: <entity> 96833 </entity> <entity type> monetaryItemType </entity type> <context> Other current liabilities | ​ ​ | 96,833 | ​ ​ | 99,879 </context>
us-gaap:OtherLiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
99879
monetaryItemType
table: <entity> 99879 </entity> <entity type> monetaryItemType </entity type> <context> Other current liabilities | ​ ​ | 96,833 | ​ ​ | 99,879 </context>
us-gaap:OtherLiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
1429591
monetaryItemType
table: <entity> 1429591 </entity> <entity type> monetaryItemType </entity type> <context> Total current liabilities | ​ ​ | 1,429,591 | ​ ​ | 1,254,292 </context>
us-gaap:LiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
1254292
monetaryItemType
table: <entity> 1254292 </entity> <entity type> monetaryItemType </entity type> <context> Total current liabilities | ​ ​ | 1,429,591 | ​ ​ | 1,254,292 </context>
us-gaap:LiabilitiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2136786
monetaryItemType
table: <entity> 2136786 </entity> <entity type> monetaryItemType </entity type> <context> LONG-TERM DEBT, net of current maturities | ​ ​ | 2,136,786 | ​ ​ | 2,562,183 </context>
us-gaap:LongTermDebtNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2562183
monetaryItemType
table: <entity> 2562183 </entity> <entity type> monetaryItemType </entity type> <context> LONG-TERM DEBT, net of current maturities | ​ ​ | 2,136,786 | ​ ​ | 2,562,183 </context>
us-gaap:LongTermDebtNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
787968
monetaryItemType
table: <entity> 787968 </entity> <entity type> monetaryItemType </entity type> <context> DEFERRED INCOME TAXES PAYABLE | ​ ​ | 787,968 | ​ ​ | 687,600 </context>
us-gaap:DeferredIncomeTaxLiabilitiesNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
687600
monetaryItemType
table: <entity> 687600 </entity> <entity type> monetaryItemType </entity type> <context> DEFERRED INCOME TAXES PAYABLE | ​ ​ | 787,968 | ​ ​ | 687,600 </context>
us-gaap:DeferredIncomeTaxLiabilitiesNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
67264
monetaryItemType
table: <entity> 67264 </entity> <entity type> monetaryItemType </entity type> <context> NONCURRENT OPERATING LEASE LIABILITIES | ​ ​ | 67,264 | ​ ​ | 67,392 </context>
us-gaap:OperatingLeaseLiabilityNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
67392
monetaryItemType
table: <entity> 67392 </entity> <entity type> monetaryItemType </entity type> <context> NONCURRENT OPERATING LEASE LIABILITIES | ​ ​ | 67,264 | ​ ​ | 67,392 </context>
us-gaap:OperatingLeaseLiabilityNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
309477
monetaryItemType
table: <entity> 309477 </entity> <entity type> monetaryItemType </entity type> <context> OTHER LONG-TERM LIABILITIES | ​ ​ | 309,477 | ​ ​ | 341,324 </context>
us-gaap:OtherLiabilitiesNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
341324
monetaryItemType
table: <entity> 341324 </entity> <entity type> monetaryItemType </entity type> <context> OTHER LONG-TERM LIABILITIES | ​ ​ | 309,477 | ​ ​ | 341,324 </context>
us-gaap:OtherLiabilitiesNoncurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
5000000
sharesItemType
table: <entity> 5000000 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:PreferredStockSharesAuthorized
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
none
sharesItemType
table: <entity> none </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:PreferredStockSharesIssued
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
no
perShareItemType
table: <entity> no </entity> <entity type> perShareItemType </entity type> <context> None </context>
us-gaap:CommonStockNoParValue
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
120000000
sharesItemType
table: <entity> 120000000 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:CommonStockSharesAuthorized
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
83638680
sharesItemType
table: <entity> 83638680 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:CommonStockSharesIssued
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
82840372
sharesItemType
table: <entity> 82840372 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:CommonStockSharesIssued
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
777090
monetaryItemType
table: <entity> 777090 </entity> <entity type> monetaryItemType </entity type> <context> Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively | ​ ​ | 777,090 | ​ ​ | 754,362 </context>
us-gaap:CommonStocksIncludingAdditionalPaidInCapital
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
754362
monetaryItemType
table: <entity> 754362 </entity> <entity type> monetaryItemType </entity type> <context> Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively | ​ ​ | 777,090 | ​ ​ | 754,362 </context>
us-gaap:CommonStocksIncludingAdditionalPaidInCapital
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2594173
monetaryItemType
table: <entity> 2594173 </entity> <entity type> monetaryItemType </entity type> <context> Retained earnings | ​ ​ | 2,594,173 | ​ ​ | 2,271,211 </context>
us-gaap:RetainedEarningsAccumulatedDeficit
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2271211
monetaryItemType
table: <entity> 2271211 </entity> <entity type> monetaryItemType </entity type> <context> Retained earnings | ​ ​ | 2,594,173 | ​ ​ | 2,271,211 </context>
us-gaap:RetainedEarningsAccumulatedDeficit
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
43310324
sharesItemType
table: <entity> 43310324 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:TreasuryStockCommonShares
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
42615347
sharesItemType
table: <entity> 42615347 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:TreasuryStockCommonShares
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
962650
monetaryItemType
table: <entity> 962650 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:TreasuryStockCommonValue
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
912396
monetaryItemType
table: <entity> 912396 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:TreasuryStockCommonValue
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
168
monetaryItemType
table: <entity> 168 </entity> <entity type> monetaryItemType </entity type> <context> Accumulated other comprehensive income | ​ ​ | ​ ​ | 168 | ​ ​ | ​ ​ | 325 </context>
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
325
monetaryItemType
table: <entity> 325 </entity> <entity type> monetaryItemType </entity type> <context> Accumulated other comprehensive income | ​ ​ | ​ ​ | 168 | ​ ​ | ​ ​ | 325 </context>
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2408781
monetaryItemType
table: <entity> 2408781 </entity> <entity type> monetaryItemType </entity type> <context> Total stockholders’ equity | ​ ​ | 2,408,781 | ​ ​ | 2,113,502 </context>
us-gaap:StockholdersEquity
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
2113502
monetaryItemType
table: <entity> 2113502 </entity> <entity type> monetaryItemType </entity type> <context> Total stockholders’ equity | ​ ​ | 2,408,781 | ​ ​ | 2,113,502 </context>
us-gaap:StockholdersEquity
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
7139867
monetaryItemType
table: <entity> 7139867 </entity> <entity type> monetaryItemType </entity type> <context> Total liabilities and stockholders’ equity | ​ ​ | $ | 7,139,867 | ​ ​ | $ | 7,026,293 </context>
us-gaap:LiabilitiesAndStockholdersEquity
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td></td><td>DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td></tr><tr><td>CURRENT LIABILITIES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Current maturities of long-term debt</td><td>​ ​</td><td>$</td><td>535,589</td><td>​ ​</td><td>$</td><td>443,869</td></tr><tr><td>Accounts payable and accrued liabilities</td><td>​ ​</td><td></td><td>527,351</td><td>​ ​</td><td></td><td>470,251</td></tr><tr><td>Accrued salaries, wages and benefits</td><td>​ ​</td><td></td><td>226,770</td><td>​ ​</td><td></td><td>194,881</td></tr><tr><td>Current maturities of operating lease liabilities</td><td>​ ​</td><td></td><td>20,467</td><td>​ ​</td><td></td><td>19,335</td></tr><tr><td>Taxes other than income taxes</td><td>​ ​</td><td></td><td>22,581</td><td>​ ​</td><td></td><td>26,077</td></tr><tr><td>Other current liabilities</td><td>​ ​</td><td></td><td>96,833</td><td>​ ​</td><td></td><td>99,879</td></tr><tr><td>Total current liabilities</td><td>​ ​</td><td></td><td>1,429,591</td><td>​ ​</td><td></td><td>1,254,292</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>LONG-TERM DEBT, net of current maturities</td><td>​ ​</td><td></td><td>2,136,786</td><td>​ ​</td><td></td><td>2,562,183</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>DEFERRED INCOME TAXES PAYABLE</td><td>​ ​</td><td></td><td>787,968</td><td>​ ​</td><td></td><td>687,600</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>NONCURRENT OPERATING LEASE LIABILITIES</td><td>​ ​</td><td></td><td>67,264</td><td>​ ​</td><td></td><td>67,392</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>OTHER LONG-TERM LIABILITIES</td><td>​ ​</td><td></td><td>309,477</td><td>​ ​</td><td></td><td>341,324</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMMITMENTS AND CONTINGENCIES (Note 5)</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>STOCKHOLDERS’ EQUITY:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Preferred stock, 5,000,000 shares authorized; none issued</td><td>​ ​</td><td></td><td>β€” β€” β€”</td><td>​ ​</td><td></td><td>β€” β€” β€”</td></tr><tr><td>Common stock, no par value, 120,000,000 shares authorized; 83,638,680 and 82,840,372 shares issued as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>777,090</td><td>​ ​</td><td></td><td>754,362</td></tr><tr><td>Retained earnings</td><td>​ ​</td><td></td><td>2,594,173</td><td>​ ​</td><td></td><td>2,271,211</td></tr><tr><td>Treasury stock, at cost, 43,310,324 and 42,615,347 shares as of December 31, 2024, and December 31, 2023, respectively</td><td>​ ​</td><td></td><td>( 962,650 )</td><td>​ ​</td><td></td><td>( 912,396 )</td></tr><tr><td>Accumulated other comprehensive income</td><td>​ ​</td><td>​ ​</td><td>168</td><td>​ ​</td><td>​ ​</td><td>325</td></tr><tr><td>Total stockholders’ equity</td><td>​ ​</td><td></td><td>2,408,781</td><td>​ ​</td><td></td><td>2,113,502</td></tr><tr><td>Total liabilities and stockholders’ equity</td><td>​ ​</td><td>$</td><td>7,139,867</td><td>​ ​</td><td>$</td><td>7,026,293</td></tr></table>
table
7026293
monetaryItemType
table: <entity> 7026293 </entity> <entity type> monetaryItemType </entity type> <context> Total liabilities and stockholders’ equity | ​ ​ | $ | 7,139,867 | ​ ​ | $ | 7,026,293 </context>
us-gaap:LiabilitiesAndStockholdersEquity
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
3412798
monetaryItemType
table: <entity> 3412798 </entity> <entity type> monetaryItemType </entity type> <context> Flying agreements | ​ ​ | $ | 3,412,798 | ​ ​ | $ | 2,834,397 | ​ ​ | $ | 2,899,837 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
2834397
monetaryItemType
table: <entity> 2834397 </entity> <entity type> monetaryItemType </entity type> <context> Flying agreements | ​ ​ | $ | 3,412,798 | ​ ​ | $ | 2,834,397 | ​ ​ | $ | 2,899,837 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
2899837
monetaryItemType
table: <entity> 2899837 </entity> <entity type> monetaryItemType </entity type> <context> Flying agreements | ​ ​ | $ | 3,412,798 | ​ ​ | $ | 2,834,397 | ​ ​ | $ | 2,899,837 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
115122
monetaryItemType
table: <entity> 115122 </entity> <entity type> monetaryItemType </entity type> <context> Lease, airport services and other | ​ ​ | 115,122 | ​ ​ | 101,035 | ​ ​ | 105,088 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
101035
monetaryItemType
table: <entity> 101035 </entity> <entity type> monetaryItemType </entity type> <context> Lease, airport services and other | ​ ​ | 115,122 | ​ ​ | 101,035 | ​ ​ | 105,088 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
105088
monetaryItemType
table: <entity> 105088 </entity> <entity type> monetaryItemType </entity type> <context> Lease, airport services and other | ​ ​ | 115,122 | ​ ​ | 101,035 | ​ ​ | 105,088 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
3527920
monetaryItemType
table: <entity> 3527920 </entity> <entity type> monetaryItemType </entity type> <context> Total operating revenues | ​ ​ | 3,527,920 | ​ ​ | 2,935,432 | ​ ​ | 3,004,925 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
2935432
monetaryItemType
table: <entity> 2935432 </entity> <entity type> monetaryItemType </entity type> <context> Total operating revenues | ​ ​ | 3,527,920 | ​ ​ | 2,935,432 | ​ ​ | 3,004,925 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
3004925
monetaryItemType
table: <entity> 3004925 </entity> <entity type> monetaryItemType </entity type> <context> Total operating revenues | ​ ​ | 3,527,920 | ​ ​ | 2,935,432 | ​ ​ | 3,004,925 | ​ ​ </context>
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
1463932
monetaryItemType
table: <entity> 1463932 </entity> <entity type> monetaryItemType </entity type> <context> Salaries, wages and benefits | ​ ​ | 1,463,932 | ​ ​ | 1,322,615 | ​ ​ | 1,211,551 | ​ ​ </context>
us-gaap:LaborAndRelatedExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
1322615
monetaryItemType
table: <entity> 1322615 </entity> <entity type> monetaryItemType </entity type> <context> Salaries, wages and benefits | ​ ​ | 1,463,932 | ​ ​ | 1,322,615 | ​ ​ | 1,211,551 | ​ ​ </context>
us-gaap:LaborAndRelatedExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
1211551
monetaryItemType
table: <entity> 1211551 </entity> <entity type> monetaryItemType </entity type> <context> Salaries, wages and benefits | ​ ​ | 1,463,932 | ​ ​ | 1,322,615 | ​ ​ | 1,211,551 | ​ ​ </context>
us-gaap:LaborAndRelatedExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
712642
monetaryItemType
table: <entity> 712642 </entity> <entity type> monetaryItemType </entity type> <context> Aircraft maintenance, materials and repairs | ​ ​ | 712,642 | ​ ​ | 673,453 | ​ ​ | 644,157 | ​ ​ </context>
us-gaap:AircraftMaintenanceMaterialsAndRepairs
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
673453
monetaryItemType
table: <entity> 673453 </entity> <entity type> monetaryItemType </entity type> <context> Aircraft maintenance, materials and repairs | ​ ​ | 712,642 | ​ ​ | 673,453 | ​ ​ | 644,157 | ​ ​ </context>
us-gaap:AircraftMaintenanceMaterialsAndRepairs
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
644157
monetaryItemType
table: <entity> 644157 </entity> <entity type> monetaryItemType </entity type> <context> Aircraft maintenance, materials and repairs | ​ ​ | 712,642 | ​ ​ | 673,453 | ​ ​ | 644,157 | ​ ​ </context>
us-gaap:AircraftMaintenanceMaterialsAndRepairs
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
383880
monetaryItemType
table: <entity> 383880 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and amortization | ​ ​ | 383,880 | ​ ​ | 383,115 | ​ ​ | 394,552 | ​ ​ </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
383115
monetaryItemType
table: <entity> 383115 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and amortization | ​ ​ | 383,880 | ​ ​ | 383,115 | ​ ​ | 394,552 | ​ ​ </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
394552
monetaryItemType
table: <entity> 394552 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and amortization | ​ ​ | 383,880 | ​ ​ | 383,115 | ​ ​ | 394,552 | ​ ​ </context>
us-gaap:DepreciationDepletionAndAmortization
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
294307
monetaryItemType
table: <entity> 294307 </entity> <entity type> monetaryItemType </entity type> <context> Other operating expenses | ​ ​ | 294,307 | ​ ​ | 268,120 | ​ ​ | 318,145 | ​ ​ </context>
us-gaap:OtherCostAndExpenseOperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
268120
monetaryItemType
table: <entity> 268120 </entity> <entity type> monetaryItemType </entity type> <context> Other operating expenses | ​ ​ | 294,307 | ​ ​ | 268,120 | ​ ​ | 318,145 | ​ ​ </context>
us-gaap:OtherCostAndExpenseOperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
318145
monetaryItemType
table: <entity> 318145 </entity> <entity type> monetaryItemType </entity type> <context> Other operating expenses | ​ ​ | 294,307 | ​ ​ | 268,120 | ​ ​ | 318,145 | ​ ​ </context>
us-gaap:OtherCostAndExpenseOperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
3033263
monetaryItemType
table: <entity> 3033263 </entity> <entity type> monetaryItemType </entity type> <context> Total operating expenses | ​ ​ | 3,033,263 | ​ ​ | 2,831,363 | ​ ​ | 2,823,763 | ​ ​ </context>
us-gaap:OperatingExpenses
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
2831363
monetaryItemType
table: <entity> 2831363 </entity> <entity type> monetaryItemType </entity type> <context> Total operating expenses | ​ ​ | 3,033,263 | ​ ​ | 2,831,363 | ​ ​ | 2,823,763 | ​ ​ </context>
us-gaap:OperatingExpenses
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
2823763
monetaryItemType
table: <entity> 2823763 </entity> <entity type> monetaryItemType </entity type> <context> Total operating expenses | ​ ​ | 3,033,263 | ​ ​ | 2,831,363 | ​ ​ | 2,823,763 | ​ ​ </context>
us-gaap:OperatingExpenses
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
494657
monetaryItemType
table: <entity> 494657 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | ​ ​ | 494,657 | ​ ​ | 104,069 | ​ ​ | 181,162 | ​ ​ </context>
us-gaap:OperatingIncomeLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
104069
monetaryItemType
table: <entity> 104069 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | ​ ​ | 494,657 | ​ ​ | 104,069 | ​ ​ | 181,162 | ​ ​ </context>
us-gaap:OperatingIncomeLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
181162
monetaryItemType
table: <entity> 181162 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | ​ ​ | 494,657 | ​ ​ | 104,069 | ​ ​ | 181,162 | ​ ​ </context>
us-gaap:OperatingIncomeLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
47961
monetaryItemType
table: <entity> 47961 </entity> <entity type> monetaryItemType </entity type> <context> Interest income | ​ ​ | 47,961 | ​ ​ | 43,928 | ​ ​ | 17,605 | ​ ​ </context>
us-gaap:InvestmentIncomeInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
43928
monetaryItemType
table: <entity> 43928 </entity> <entity type> monetaryItemType </entity type> <context> Interest income | ​ ​ | 47,961 | ​ ​ | 43,928 | ​ ​ | 17,605 | ​ ​ </context>
us-gaap:InvestmentIncomeInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
17605
monetaryItemType
table: <entity> 17605 </entity> <entity type> monetaryItemType </entity type> <context> Interest income | ​ ​ | 47,961 | ​ ​ | 43,928 | ​ ​ | 17,605 | ​ ​ </context>
us-gaap:InvestmentIncomeInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
114340
monetaryItemType
table: <entity> 114340 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
130930
monetaryItemType
table: <entity> 130930 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
127083
monetaryItemType
table: <entity> 127083 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
3865
monetaryItemType
table: <entity> 3865 </entity> <entity type> monetaryItemType </entity type> <context> Other income, net | ​ ​ | 3,865 | ​ ​ | 23,242 | ​ ​ | 20,899 | ​ ​ </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
23242
monetaryItemType
table: <entity> 23242 </entity> <entity type> monetaryItemType </entity type> <context> Other income, net | ​ ​ | 3,865 | ​ ​ | 23,242 | ​ ​ | 20,899 | ​ ​ </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
20899
monetaryItemType
table: <entity> 20899 </entity> <entity type> monetaryItemType </entity type> <context> Other income, net | ​ ​ | 3,865 | ​ ​ | 23,242 | ​ ​ | 20,899 | ​ ​ </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
62514
monetaryItemType
table: <entity> 62514 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
63760
monetaryItemType
table: <entity> 63760 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
88579
monetaryItemType
table: <entity> 88579 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NonoperatingIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
432143
monetaryItemType
table: <entity> 432143 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAXES | ​ ​ | 432,143 | ​ ​ | 40,309 | ​ ​ | 92,583 | ​ ​ </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
40309
monetaryItemType
table: <entity> 40309 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAXES | ​ ​ | 432,143 | ​ ​ | 40,309 | ​ ​ | 92,583 | ​ ​ </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
92583
monetaryItemType
table: <entity> 92583 </entity> <entity type> monetaryItemType </entity type> <context> INCOME BEFORE INCOME TAXES | ​ ​ | 432,143 | ​ ​ | 40,309 | ​ ​ | 92,583 | ​ ​ </context>
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
109181
monetaryItemType
table: <entity> 109181 </entity> <entity type> monetaryItemType </entity type> <context> PROVISION FOR INCOME TAXES | ​ ​ | 109,181 | ​ ​ | 5,967 | ​ ​ | 19,630 | ​ ​ </context>
us-gaap:IncomeTaxExpenseBenefit
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Year Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>2022</td><td></td></tr><tr><td>OPERATING REVENUES:</td><td>​ ​</td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Flying agreements</td><td>​ ​</td><td>$</td><td>3,412,798</td><td>​ ​</td><td>$</td><td>2,834,397</td><td>​ ​</td><td>$</td><td>2,899,837</td><td>​ ​</td></tr><tr><td>Lease, airport services and other</td><td>​ ​</td><td></td><td>115,122</td><td>​ ​</td><td></td><td>101,035</td><td>​ ​</td><td></td><td>105,088</td><td>​ ​</td></tr><tr><td>Total operating revenues</td><td>​ ​</td><td></td><td>3,527,920</td><td>​ ​</td><td></td><td>2,935,432</td><td>​ ​</td><td></td><td>3,004,925</td><td>​ ​</td></tr><tr><td>OPERATING EXPENSES:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Salaries, wages and benefits</td><td>​ ​</td><td></td><td>1,463,932</td><td>​ ​</td><td></td><td>1,322,615</td><td>​ ​</td><td></td><td>1,211,551</td><td>​ ​</td></tr><tr><td>Aircraft maintenance, materials and repairs</td><td>​ ​</td><td></td><td>712,642</td><td>​ ​</td><td></td><td>673,453</td><td>​ ​</td><td></td><td>644,157</td><td>​ ​</td></tr><tr><td>Depreciation and amortization</td><td>​ ​</td><td></td><td>383,880</td><td>​ ​</td><td></td><td>383,115</td><td>​ ​</td><td></td><td>394,552</td><td>​ ​</td></tr><tr><td>Aircraft fuel</td><td>​ ​</td><td></td><td>87,409</td><td>​ ​</td><td></td><td>85,913</td><td>​ ​</td><td></td><td>108,456</td><td>​ ​</td></tr><tr><td>Airport-related expenses</td><td>​ ​</td><td></td><td>85,836</td><td>​ ​</td><td></td><td>72,640</td><td>​ ​</td><td></td><td>71,549</td><td>​ ​</td></tr><tr><td>Aircraft rentals</td><td>​ ​</td><td></td><td>5,257</td><td>​ ​</td><td></td><td>25,507</td><td>​ ​</td><td></td><td>75,353</td><td>​ ​</td></tr><tr><td>Other operating expenses</td><td>​ ​</td><td></td><td>294,307</td><td>​ ​</td><td></td><td>268,120</td><td>​ ​</td><td></td><td>318,145</td><td>​ ​</td></tr><tr><td>Total operating expenses</td><td>​ ​</td><td></td><td>3,033,263</td><td>​ ​</td><td></td><td>2,831,363</td><td>​ ​</td><td></td><td>2,823,763</td><td>​ ​</td></tr><tr><td>OPERATING INCOME</td><td>​ ​</td><td></td><td>494,657</td><td>​ ​</td><td></td><td>104,069</td><td>​ ​</td><td></td><td>181,162</td><td>​ ​</td></tr><tr><td>OTHER INCOME (EXPENSE):</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Interest income</td><td>​ ​</td><td></td><td>47,961</td><td>​ ​</td><td></td><td>43,928</td><td>​ ​</td><td></td><td>17,605</td><td>​ ​</td></tr><tr><td>Interest expense</td><td>​ ​</td><td></td><td>( 114,340 )</td><td>​ ​</td><td></td><td>( 130,930 )</td><td>​ ​</td><td></td><td>( 127,083 )</td><td>​ ​</td></tr><tr><td>Other income, net</td><td>​ ​</td><td></td><td>3,865</td><td>​ ​</td><td></td><td>23,242</td><td>​ ​</td><td></td><td>20,899</td><td>​ ​</td></tr><tr><td>Total other expense, net</td><td>​ ​</td><td></td><td>( 62,514 )</td><td>​ ​</td><td></td><td>( 63,760 )</td><td>​ ​</td><td></td><td>( 88,579 )</td><td>​ ​</td></tr><tr><td>INCOME BEFORE INCOME TAXES</td><td>​ ​</td><td></td><td>432,143</td><td>​ ​</td><td></td><td>40,309</td><td>​ ​</td><td></td><td>92,583</td><td>​ ​</td></tr><tr><td>PROVISION FOR INCOME TAXES</td><td>​ ​</td><td></td><td>109,181</td><td>​ ​</td><td></td><td>5,967</td><td>​ ​</td><td></td><td>19,630</td><td>​ ​</td></tr><tr><td>NET INCOME</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>BASIC EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>8.02</td><td>​ ​</td><td>$</td><td>0.78</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>DILUTED EARNINGS PER SHARE</td><td>​ ​</td><td>$</td><td>7.77</td><td>​ ​</td><td>$</td><td>0.77</td><td>​ ​</td><td>$</td><td>1.44</td><td>​ ​</td></tr><tr><td>Weighted average common shares:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Basic</td><td>​ ​</td><td></td><td>40,262</td><td>​ ​</td><td></td><td>43,940</td><td>​ ​</td><td></td><td>50,548</td><td>​ ​</td></tr><tr><td>Diluted</td><td>​ ​</td><td></td><td>41,547</td><td>​ ​</td><td></td><td>44,599</td><td>​ ​</td><td></td><td>50,644</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>COMPREHENSIVE INCOME:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net income</td><td>​ ​</td><td>$</td><td>322,962</td><td>​ ​</td><td>$</td><td>34,342</td><td>​ ​</td><td>$</td><td>72,953</td><td>​ ​</td></tr><tr><td>Net unrealized appreciation (depreciation) on marketable securities, net ofΒ taxes</td><td>​ ​</td><td></td><td>( 157 )</td><td>​ ​</td><td></td><td>4,127</td><td>​ ​</td><td></td><td>( 3,802 )</td><td>​ ​</td></tr><tr><td>TOTAL COMPREHENSIVE INCOME</td><td>​ ​</td><td>$</td><td>322,805</td><td>​ ​</td><td>$</td><td>38,469</td><td>​ ​</td><td>$</td><td>69,151</td><td>​ ​</td></tr></table>
table
5967
monetaryItemType
table: <entity> 5967 </entity> <entity type> monetaryItemType </entity type> <context> PROVISION FOR INCOME TAXES | ​ ​ | 109,181 | ​ ​ | 5,967 | ​ ​ | 19,630 | ​ ​ </context>
us-gaap:IncomeTaxExpenseBenefit