Income Taxes - Deferred Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Income tax credits	$ 4,306	$ 4,298
Net operating losses	340,023	263,350
Deferred revenue	20,751	23,119
Nondeductible accruals	25,738	21,858
Deferred manufacturing credits	14,054	8,458
Loan liability	11,404	11,643
Operating lease liability	598,097	432,492
Interest expense	38,327	18,544
Other	27,190	4,687
Valuation allowance	(10,852)	(5,099)
Deferred tax assets	1,069,038	783,350
Deferred tax liabilities:
Property, plant and equipment	634,018	644,407
Accrued aircraft and engine maintenance	38,755	74,742
Right-of-use asset	608,176	438,804
Other	14,932	869
Deferred tax liabilities	1,295,881	1,158,822
Net deferred tax assets (liabilities)	$ (226,843)	$ (375,472)