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Accrued Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Salaries, wages and benefits | $ 21,878 | $ 44,441
Sunseeker Resort development | 14,084 | 15,209
Passenger taxes and fees | 4,686 | 14,653
Station expenses | 10,526 | 14,573
Maintenance and repairs | 12,847 | 12,713
Property taxes | 9,042 | 12,272
Loyalty card program liability | 10,929 | 11,567
Interest | 6,560 | 6,514
Advertising accruals | 890 | 3,303
Other accruals | 24,651 | 23,786
Total accrued liabilities | $ 116,093 | $ 159,031

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- Definition 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. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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