Loss on Disposal (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 31, 2023	Mar. 31, 2023 USD ($) aircraft	Mar. 31, 2022 USD ($) aircraft aircraft_engine	Dec. 31, 2022 aircraft
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) gain on disposal of assets		$ (7,100)	$ (11,552)
Loss on sale-leaseback transaction		$ 7,800	$ 4,300
Number of aircraft related to loss | aircraft		2	3
Number of aircraft sold | aircraft		4
Repurchase agreement for the sale of aircraft, term	2 years
Number of impaired spare engine related to loss on disposal | aircraft_engine			1
Airbus A319
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) gain on disposal of assets		$ 1,200
Airbus A319 | Aircraft | Impairment Due To Planned Acceleration Of Plane Retirement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of aircraft, accelerated retirement | aircraft				29
Auxiliary Power Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) gain on disposal of assets			$ 6,600