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Special Charges - Summary of Special Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Unusual or Infrequent Item, or Both [Line Items]
Sunseeker weather and related events, net of insurance recoveries	$ (1,139)	$ (17,432)	$ 2,637	$ (4,598)
Accelerated depreciation on airframes identified for early retirement	4,231	15,216	28,398	15,230
Flight attendant ratification bonus	0	0	10,821	0
Total special charges	8,790	32,648	40,002	19,828
Accrued payroll taxes	800		800
Organizational Restructuring
Unusual or Infrequent Item, or Both [Line Items]
Organizational restructuring	$ 3,420	$ 0	$ 3,420	$ 0

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Flight Attendant Ratification Bonus

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- Definition

Non-Operating Special Charge, Total

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- Definition

Operating Recoveries Special Charge, Total

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Special Charges, Total

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(1))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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