Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, gross	$ 4,062,042	$ 3,611,440
Accumulated depreciation	(1,659,634)	(1,481,506)
Property and equipment, net	2,402,408	2,129,934
Flight equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, gross	3,506,134	3,301,113
Ground equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, gross	70,092	64,641
Leasehold improvements, facilities and office equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, gross	40,183	38,769
Aircraft modifications and projects in progress
Property, Plant and Equipment, Net, by Type [Abstract]
Property and equipment, gross	$ 445,633	$ 206,917

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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