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Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued Liabilities, Current [Abstract]
Salaries, wages and benefits	$ 38,313	$ 21,878
Sunseeker Resort development	12,241	14,084
Maintenance and repairs	11,718	12,847
Loyalty program liability	17,787	10,929
Station expenses	21,297	10,526
Property taxes	7,853	9,042
Interest	10,519	6,560
Passenger taxes and fees	14,324	4,686
Advertising accruals	1,863	890
Other accruals	26,977	24,651
Total accrued liabilities	$ 162,892	$ 116,093

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to maintenance and repairs for aircraft, engines and components.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to passenger taxes and fees payable.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for fees charged by airports and third party vendors for station related expenses.

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Sunseeker Resort Development

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred after one year or beyond the normal operating cycle, if longer, resulting from customer loyalty program. Excludes liability associated with frequent flier programs. Includes liability associated with customer loyalty programs for other businesses, for example, but is not limited to, hotels, supermarkets, credit card companies, automobile rental companies, and book sellers.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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