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Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Payables and Accruals [Abstract]    
Salaries, wages and benefits $ 173,268 $ 187,723
Airport obligations 86,304 125,278
Aircraft maintenance 80,034 58,800
Federal excise and other passenger taxes and fees payable 78,377 104,447
Interest payable 27,486 24,732
Aircraft and facility lease obligations 22,308 36,115
Fuel 8,473 64,149
Other 45,440 104,054
Other current liabilities $ 521,690 $ 705,298