Goodwill, Intangibles and Equity Investments - Schedule of Goodwill (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Carrying value	$ 395,974	$ 395,974	$ 395,974
CAM
Goodwill [Line Items]
Carrying value	153,290	153,290	153,290
ACMI Services
Goodwill [Line Items]
Carrying value	234,571	234,571	234,571
All Other
Goodwill [Line Items]
Carrying value	$ 8,113	$ 8,113	$ 8,113