Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Salaries, wages and benefits	$ 168,431	$ 154,881
Federal excise and other passenger taxes and fees payable	131,700	96,424
Airport obligations	106,075	84,928
Aircraft maintenance	77,282	59,243
Fuel	59,974	76,979
Interest payable	33,379	32,613
Aircraft and facility lease obligations	27,941	22,068
Other	71,162	29,194
Other current liabilities	$ 675,944	$ 556,330