Segment and Revenue Information - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) aircraft segment	Dec. 31, 2021 USD ($) aircraft	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Deferred revenue recognized	$ 4,700	$ 3,000
Deferred revenue	$ 17,000	8,300
Deposit contract, assets		0	$ 800
Percentage of leases with purchase options	12.00%
Lessor, operating lease, payment to be received, year one	$ 276,100
Lessor, operating lease, payment to be received, year two	220,500
Lessor, operating lease, payment to be received, year three	197,500
Lessor, operating lease, payment to be received, year four	171,700
Lessor, operating lease, payment to be received, year five	139,500
Lessor, operating lease, payment to be received, after year five	253,100
Revenues	$ 2,045,469	$ 1,734,282	1,570,575
Number of aircraft | aircraft	25	21
Expenditures for property and equipment	$ 599,431	$ 504,748	510,417
Aircraft Leases
Segment Reporting Information [Line Items]
Revenues	839,000	701,900	699,200
ACMI Services
Segment Reporting Information [Line Items]
Revenues	1,404,348	1,185,128	1,147,279
Expenditures for property and equipment	83,700
ACMI Services | Non-Lease Activities
Segment Reporting Information [Line Items]
Revenues	10,100	13,200	13,200
CAM
Segment Reporting Information [Line Items]
Revenues	434,686	370,287	308,661
Expenditures for property and equipment	514,300
CAM | Non-Lease Activities
Segment Reporting Information [Line Items]
Revenues		35,100	18,600
Customer revenues
Segment Reporting Information [Line Items]
Revenues	2,045,469	1,734,282	1,570,575
Customer revenues | ACMI Services
Segment Reporting Information [Line Items]
Revenues	1,404,254	1,185,113	1,147,252
Customer revenues | CAM
Segment Reporting Information [Line Items]
Revenues	$ 317,167	$ 273,288	$ 205,047