Segment and Revenue Information - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Deferred revenue recognized	$ 6,500	$ 3,500
Deferred revenue	18,300		$ 17,000
Deposit contract, assets	$ 0		$ 0
Percentage of leases with purchase options	12.00%
Lessor, operating lease, payment to be received, year one	$ 207,900
Lessor, operating lease, payment to be received, year two	228,500
Lessor, operating lease, payment to be received, year three	205,300
Lessor, operating lease, payment to be received, year four	179,500
Lessor, operating lease, payment to be received, year five	147,300
Lessor, operating lease, payment to be received, after year five	278,100
Revenues	501,095	485,860
Expenditures for property and equipment	218,801	108,252
ACMI Services
Segment Reporting Information [Line Items]
Revenues	334,127	330,090
Expenditures for property and equipment	17,100
CAM
Segment Reporting Information [Line Items]
Revenues	112,044	106,905
Expenditures for property and equipment	201,300
CAM | Non-Lease Activities
Segment Reporting Information [Line Items]
Revenues	6,700	9,900
Customer revenues
Segment Reporting Information [Line Items]
Revenues	501,095	485,860
Customer revenues | ACMI Services
Segment Reporting Information [Line Items]
Revenues	334,113	330,084
Customer revenues | CAM
Segment Reporting Information [Line Items]
Revenues	$ 83,158	$ 76,691