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<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><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><...
table
430
monetaryItemType
table: <entity> 430 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncomeTaxReconciliationOtherAdjustments
<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><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><...
table
416
monetaryItemType
table: <entity> 416 </entity> <entity type> monetaryItemType </entity type> <context> Other, net | ​ ​ | ( 2,003 ) | ​ ​ | ( 430 ) | ​ ​ | 416 | ​ ​ </context>
us-gaap:IncomeTaxReconciliationOtherAdjustments
<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><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><...
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><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><...
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
<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><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><...
table
19630
monetaryItemType
table: <entity> 19630 </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></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
34096
monetaryItemType
table: <entity> 34096 </entity> <entity type> monetaryItemType </entity type> <context> Accrued benefits | ​ ​ | $ | 34,096 | ​ ​ | $ | 28,889 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
28889
monetaryItemType
table: <entity> 28889 </entity> <entity type> monetaryItemType </entity type> <context> Accrued benefits | ​ ​ | $ | 34,096 | ​ ​ | $ | 28,889 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
89030
monetaryItemType
table: <entity> 89030 </entity> <entity type> monetaryItemType </entity type> <context> Net operating loss carryforward | ​ ​ | 89,030 | ​ ​ | 130,478 | ​ ​ </context>
us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
130478
monetaryItemType
table: <entity> 130478 </entity> <entity type> monetaryItemType </entity type> <context> Net operating loss carryforward | ​ ​ | 89,030 | ​ ​ | 130,478 | ​ ​ </context>
us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
86965
monetaryItemType
table: <entity> 86965 </entity> <entity type> monetaryItemType </entity type> <context> Aircraft credits | ​ ​ | 86,965 | ​ ​ | 93,189 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
93189
monetaryItemType
table: <entity> 93189 </entity> <entity type> monetaryItemType </entity type> <context> Aircraft credits | ​ ​ | 86,965 | ​ ​ | 93,189 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
83724
monetaryItemType
table: <entity> 83724 </entity> <entity type> monetaryItemType </entity type> <context> Deferred revenue | ​ ​ | ​ ​ | 83,724 | ​ ​ | ​ ​ | 91,809 | ​ ​ </context>
us-gaap:DeferredTaxAssetsDeferredIncome
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
91809
monetaryItemType
table: <entity> 91809 </entity> <entity type> monetaryItemType </entity type> <context> Deferred revenue | ​ ​ | ​ ​ | 83,724 | ​ ​ | ​ ​ | 91,809 | ​ ​ </context>
us-gaap:DeferredTaxAssetsDeferredIncome
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
47486
monetaryItemType
table: <entity> 47486 </entity> <entity type> monetaryItemType </entity type> <context> Accrued reserves and other | ​ ​ | 47,486 | ​ ​ | 64,971 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
64971
monetaryItemType
table: <entity> 64971 </entity> <entity type> monetaryItemType </entity type> <context> Accrued reserves and other | ​ ​ | 47,486 | ​ ​ | 64,971 | ​ ​ </context>
us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
365086
monetaryItemType
table: <entity> 365086 </entity> <entity type> monetaryItemType </entity type> <context> Total deferred tax assets | ​ ​ | 365,086 | ​ ​ | 442,106 | ​ ​ </context>
us-gaap:DeferredTaxAssetsGross
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
442106
monetaryItemType
table: <entity> 442106 </entity> <entity type> monetaryItemType </entity type> <context> Total deferred tax assets | ​ ​ | 365,086 | ​ ​ | 442,106 | ​ ​ </context>
us-gaap:DeferredTaxAssetsGross
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
630
monetaryItemType
table: <entity> 630 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredTaxAssetsValuationAllowance
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
1131670
monetaryItemType
table: <entity> 1131670 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
1108042
monetaryItemType
table: <entity> 1108042 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
1153054
monetaryItemType
table: <entity> 1153054 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredIncomeTaxLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
1129076
monetaryItemType
table: <entity> 1129076 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredIncomeTaxLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
787968
monetaryItemType
table: <entity> 787968 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredTaxLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>As of DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>2024</td><td>​ ​</td><td>2023</td><td></td></tr><tr><td>Deferred tax assets...
table
687600
monetaryItemType
table: <entity> 687600 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DeferredTaxLiabilities
<table><tr><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><...
table
654
monetaryItemType
table: <entity> 654 </entity> <entity type> monetaryItemType </entity type> <context> Unrecognized tax benefits at the beginning of year | $ | 654 | $ | 8,210 | $ | 15,529 </context>
us-gaap:UnrecognizedTaxBenefits
<table><tr><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><...
table
8210
monetaryItemType
table: <entity> 8210 </entity> <entity type> monetaryItemType </entity type> <context> Unrecognized tax benefits at the beginning of year | $ | 654 | $ | 8,210 | $ | 15,529 </context>
us-gaap:UnrecognizedTaxBenefits
<table><tr><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><...
table
15529
monetaryItemType
table: <entity> 15529 </entity> <entity type> monetaryItemType </entity type> <context> Unrecognized tax benefits at the beginning of year | $ | 654 | $ | 8,210 | $ | 15,529 </context>
us-gaap:UnrecognizedTaxBenefits
<table><tr><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><...
table
191
monetaryItemType
table: <entity> 191 </entity> <entity type> monetaryItemType </entity type> <context> Gross increases - prior year tax positions | ​ ​ | β€” | ​ ​ | 191 | ​ ​ | 343 </context>
us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
<table><tr><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><...
table
343
monetaryItemType
table: <entity> 343 </entity> <entity type> monetaryItemType </entity type> <context> Gross increases - prior year tax positions | ​ ​ | β€” | ​ ​ | 191 | ​ ​ | 343 </context>
us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
<table><tr><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><...
table
654
monetaryItemType
table: <entity> 654 </entity> <entity type> monetaryItemType </entity type> <context> Unrecognized tax benefits at the beginning of year | $ | 654 | $ | 8,210 | $ | 15,529 </context>
us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
<table><tr><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><...
table
7747
monetaryItemType
table: <entity> 7747 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
<table><tr><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><...
table
7662
monetaryItemType
table: <entity> 7662 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
<table><tr><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><...
table
607
monetaryItemType
table: <entity> 607 </entity> <entity type> monetaryItemType </entity type> <context> Interest and penalties in year-end balance | ​ ​ | $ | β€” | ​ ​ | $ | β€” | ​ ​ | $ | 607 </context>
us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td></tr><tr><td>Weighted-average remaining lease term for operating leases</td><td>11.0 years</td></tr><tr><td>Weighted-average discount rate for operating leases</td><td>6.2 %</td></tr></table>
table
6.2
percentItemType
table: <entity> 6.2 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
28260
monetaryItemType
table: <entity> 28260 </entity> <entity type> monetaryItemType </entity type> <context> Operating lease cost | ​ ​ | $ | 28,260 | ​ ​ | $ | 48,169 | ​ ​ | $ | 97,998 </context>
us-gaap:OperatingLeaseCost
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
48169
monetaryItemType
table: <entity> 48169 </entity> <entity type> monetaryItemType </entity type> <context> Operating lease cost | ​ ​ | $ | 28,260 | ​ ​ | $ | 48,169 | ​ ​ | $ | 97,998 </context>
us-gaap:OperatingLeaseCost
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
97998
monetaryItemType
table: <entity> 97998 </entity> <entity type> monetaryItemType </entity type> <context> Operating lease cost | ​ ​ | $ | 28,260 | ​ ​ | $ | 48,169 | ​ ​ | $ | 97,998 </context>
us-gaap:OperatingLeaseCost
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
5050
monetaryItemType
table: <entity> 5050 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:SubleaseIncome
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
5402
monetaryItemType
table: <entity> 5402 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:SubleaseIncome
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
7089
monetaryItemType
table: <entity> 7089 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:SubleaseIncome
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
25744
monetaryItemType
table: <entity> 25744 </entity> <entity type> monetaryItemType </entity type> <context> Total lease cost | ​ ​ | $ | 25,744 | ​ ​ | $ | 45,607 | ​ ​ | $ | 92,739 </context>
us-gaap:LeaseCost
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
45607
monetaryItemType
table: <entity> 45607 </entity> <entity type> monetaryItemType </entity type> <context> Total lease cost | ​ ​ | $ | 25,744 | ​ ​ | $ | 45,607 | ​ ​ | $ | 92,739 </context>
us-gaap:LeaseCost
<table><tr><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>For the year ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><t...
table
92739
monetaryItemType
table: <entity> 92739 </entity> <entity type> monetaryItemType </entity type> <context> Total lease cost | ​ ​ | $ | 25,744 | ​ ​ | $ | 45,607 | ​ ​ | $ | 92,739 </context>
us-gaap:LeaseCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
21105
monetaryItemType
table: <entity> 21105 </entity> <entity type> monetaryItemType </entity type> <context> 2025 | $ | 21,105 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
18115
monetaryItemType
table: <entity> 18115 </entity> <entity type> monetaryItemType </entity type> <context> 2026 | ​ ​ | 18,115 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
15822
monetaryItemType
table: <entity> 15822 </entity> <entity type> monetaryItemType </entity type> <context> 2027 | ​ ​ | 15,822 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
11517
monetaryItemType
table: <entity> 11517 </entity> <entity type> monetaryItemType </entity type> <context> 2028 | ​ ​ | 11,517 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
9774
monetaryItemType
table: <entity> 9774 </entity> <entity type> monetaryItemType </entity type> <context> 2029 | ​ ​ | 9,774 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
52998
monetaryItemType
table: <entity> 52998 </entity> <entity type> monetaryItemType </entity type> <context> Thereafter | ​ ​ | 52,998 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>2025</td><td></td><td>$</td><td>21,105</td></tr><tr><td>2026</td><td>​ ​</td><td></td><td>18,115</td></tr><tr><td>2027</td><td>​ ​</td><td></td><td>15,822</td></tr><tr><td>2028</td><td>​ ​</td><td></td><td>11,517</td></tr><tr><td>20...
table
129331
monetaryItemType
table: <entity> 129331 </entity> <entity type> monetaryItemType </entity type> <context> Total future minimum operating lease payments | ​ ​ | $ | 129,331 </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
462333
monetaryItemType
table: <entity> 462333 </entity> <entity type> monetaryItemType </entity type> <context> Bonds and bond funds | ​ ​ | $ | 462,333 | ​ ​ | $ | β€” | ​ ​ | $ | 462,333 | ​ ​ | $ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
111933
monetaryItemType
table: <entity> 111933 </entity> <entity type> monetaryItemType </entity type> <context> Commercial paper | ​ ​ | 111,933 | ​ ​ | β€” | ​ ​ | 111,933 | ​ ​ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
574266
monetaryItemType
table: <entity> 574266 </entity> <entity type> monetaryItemType </entity type> <context> ​ ​ | ​ ​ | ​ ​ | 574,266 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 574,266 | ​ ​ | ​ ​ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
8160
monetaryItemType
table: <entity> 8160 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 8,160 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 8,160 </context>
us-gaap:EquitySecuritiesFvNi
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
227362
monetaryItemType
table: <entity> 227362 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents | ​ ​ | ​ ​ | 227,362 | ​ ​ | ​ ​ | 227,362 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” </context>
us-gaap:CashAndCashEquivalentsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
809788
monetaryItemType
table: <entity> 809788 </entity> <entity type> monetaryItemType </entity type> <context> Total Assets Measured at Fair Value | ​ ​ | $ | 809,788 | ​ ​ | $ | 227,362 | ​ ​ | $ | 574,266 | ​ ​ | $ | 8,160 </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
227362
monetaryItemType
table: <entity> 227362 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents | ​ ​ | ​ ​ | 227,362 | ​ ​ | ​ ​ | 227,362 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
574266
monetaryItemType
table: <entity> 574266 </entity> <entity type> monetaryItemType </entity type> <context> ​ ​ | ​ ​ | ​ ​ | 574,266 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 574,266 | ​ ​ | ​ ​ | β€” </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>Fair Value Measurements as of DecemberΒ 31, 2024</td></tr><tr><td...
table
8160
monetaryItemType
table: <entity> 8160 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 8,160 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 8,160 </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
677074
monetaryItemType
table: <entity> 677074 </entity> <entity type> monetaryItemType </entity type> <context> Bonds and bond funds | ​ ​ | $ | 677,074 | ​ ​ | $ | β€” | ​ ​ | $ | 677,074 | ​ ​ | $ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
9872
monetaryItemType
table: <entity> 9872 </entity> <entity type> monetaryItemType </entity type> <context> Commercial paper | ​ ​ | 9,872 | ​ ​ | β€” | ​ ​ | 9,872 | ​ ​ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
686946
monetaryItemType
table: <entity> 686946 </entity> <entity type> monetaryItemType </entity type> <context> ​ ​ | ​ ​ | ​ ​ | 686,946 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 686,946 | ​ ​ | ​ ​ | β€” </context>
us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
15402
monetaryItemType
table: <entity> 15402 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 15,402 | ​ ​ | ​ ​ | 2,925 | ​ ​ | β€” | ​ ​ | 12,477 </context>
us-gaap:EquitySecuritiesFvNi
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
2925
monetaryItemType
table: <entity> 2925 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 15,402 | ​ ​ | ​ ​ | 2,925 | ​ ​ | β€” | ​ ​ | 12,477 </context>
us-gaap:EquitySecuritiesFvNi
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
12477
monetaryItemType
table: <entity> 12477 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 15,402 | ​ ​ | ​ ​ | 2,925 | ​ ​ | β€” | ​ ​ | 12,477 </context>
us-gaap:EquitySecuritiesFvNi
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
148277
monetaryItemType
table: <entity> 148277 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents | ​ ​ | ​ ​ | 148,277 | ​ ​ | ​ ​ | 148,277 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” </context>
us-gaap:CashAndCashEquivalentsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
850625
monetaryItemType
table: <entity> 850625 </entity> <entity type> monetaryItemType </entity type> <context> Total Assets Measured at Fair Value | ​ ​ | $ | 850,625 | ​ ​ | $ | 151,202 | ​ ​ | $ | 686,946 | ​ ​ | $ | 12,477 </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
151202
monetaryItemType
table: <entity> 151202 </entity> <entity type> monetaryItemType </entity type> <context> Total Assets Measured at Fair Value | ​ ​ | $ | 850,625 | ​ ​ | $ | 151,202 | ​ ​ | $ | 686,946 | ​ ​ | $ | 12,477 </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
686946
monetaryItemType
table: <entity> 686946 </entity> <entity type> monetaryItemType </entity type> <context> ​ ​ | ​ ​ | ​ ​ | 686,946 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 686,946 | ​ ​ | ​ ​ | β€” </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><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>FairΒ ValueΒ MeasurementsΒ asΒ ofΒ DecemberΒ 31, 2023</td></tr><tr><td...
table
12477
monetaryItemType
table: <entity> 12477 </entity> <entity type> monetaryItemType </entity type> <context> Investments in Other Companies | ​ ​ | ​ ​ | 15,402 | ​ ​ | ​ ​ | 2,925 | ​ ​ | β€” | ​ ​ | 12,477 </context>
us-gaap:AssetsFairValueDisclosure
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
6816
sharesItemType
table: <entity> 6816 </entity> <entity type> sharesItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
14.78
perShareItemType
table: <entity> 14.78 </entity> <entity type> perShareItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
16633
sharesItemType
table: <entity> 16633 </entity> <entity type> sharesItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
14.62
perShareItemType
table: <entity> 14.62 </entity> <entity type> perShareItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
3848
sharesItemType
table: <entity> 3848 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
14.78
perShareItemType
table: <entity> 14.78 </entity> <entity type> perShareItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
9817
sharesItemType
table: <entity> 9817 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
14.52
perShareItemType
table: <entity> 14.52 </entity> <entity type> perShareItemType </entity type> <context> Exercised | β€” | ​ ​ | β€” | ​ ​ | ​ ​ | ​ ​ | ​ ​ | ​ ​ | ​ ​ | ( 3,848 ) | ​ ​ | 14.78 | ( 9,817 ) | ​ ​ | 14.52 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
2968
sharesItemType
table: <entity> 2968 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​...
table
14.78
perShareItemType
table: <entity> 14.78 </entity> <entity type> perShareItemType </entity type> <context> Outstanding at beginning of year | β€” | ​ ​ | $ | β€” | β€” | years | ​ ​ | $ | β€” | 6,816 | $ | 14.78 | 16,633 | $ | 14.62 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
200173
sharesItemType
table: <entity> 200173 </entity> <entity type> sharesItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2021 | 200,173 | ​ ​ | $ | 52.45 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
52.45
perShareItemType
table: <entity> 52.45 </entity> <entity type> perShareItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2021 | 200,173 | ​ ​ | $ | 52.45 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
66680
sharesItemType
table: <entity> 66680 </entity> <entity type> sharesItemType </entity type> <context> Granted | 66,680 | ​ ​ | 32.86 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
32.86
perShareItemType
table: <entity> 32.86 </entity> <entity type> perShareItemType </entity type> <context> Granted | 66,680 | ​ ​ | 32.86 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
86534
sharesItemType
table: <entity> 86534 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
48.69
perShareItemType
table: <entity> 48.69 </entity> <entity type> perShareItemType </entity type> <context> Vested | ( 86,534 ) | ​ ​ | 48.69 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
160022
sharesItemType
table: <entity> 160022 </entity> <entity type> sharesItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2022 | 160,022 | ​ ​ | $ | 47.28 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
47.28
perShareItemType
table: <entity> 47.28 </entity> <entity type> perShareItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2022 | 160,022 | ​ ​ | $ | 47.28 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
127348
sharesItemType
table: <entity> 127348 </entity> <entity type> sharesItemType </entity type> <context> Granted | 127,348 | ​ ​ | 18.77 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
18.77
perShareItemType
table: <entity> 18.77 </entity> <entity type> perShareItemType </entity type> <context> Granted | 127,348 | ​ ​ | 18.77 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
65283
sharesItemType
table: <entity> 65283 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
61.45
perShareItemType
table: <entity> 61.45 </entity> <entity type> perShareItemType </entity type> <context> Vested | ( 65,283 ) | ​ ​ | 61.45 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
202912
sharesItemType
table: <entity> 202912 </entity> <entity type> sharesItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2023 | 202,912 | ​ ​ | $ | 26.64 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
26.64
perShareItemType
table: <entity> 26.64 </entity> <entity type> perShareItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2023 | 202,912 | ​ ​ | $ | 26.64 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
50577
sharesItemType
table: <entity> 50577 </entity> <entity type> sharesItemType </entity type> <context> Granted | 50,577 | ​ ​ | 59.57 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
59.57
perShareItemType
table: <entity> 59.57 </entity> <entity type> perShareItemType </entity type> <context> Granted | 50,577 | ​ ​ | 59.57 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
32273
sharesItemType
table: <entity> 32273 </entity> <entity type> sharesItemType </entity type> <context> None </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
44.87
perShareItemType
table: <entity> 44.87 </entity> <entity type> perShareItemType </entity type> <context> Vested | ( 32,273 ) | ​ ​ | 44.87 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
212844
sharesItemType
table: <entity> 212844 </entity> <entity type> sharesItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2024 | 212,844 | ​ ​ | $ | 31.83 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
<table><tr><td>​ ​ ​ ​</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>Weighted-Average</td><td></td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Grant-DateΒ Fair</td><td></t...
table
31.83
perShareItemType
table: <entity> 31.83 </entity> <entity type> perShareItemType </entity type> <context> Non-vested RSUs outstanding at DecemberΒ 31, 2024 | 212,844 | ​ ​ | $ | 31.83 | ​ ​ </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue