Goodwill and Intangible Assets - Goodwill Roll Forward (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Roll Forward]
Balance as of beginning of period	$ 217,262
Balance as of end of period	345,726
Aviation
Goodwill [Roll Forward]
Balance as of beginning of period	154,072
Acquisitions	128,464
Balance as of end of period	282,536
Fleet
Goodwill [Roll Forward]
Balance as of beginning of period	63,190
Acquisitions	0
Balance as of end of period	63,190
Federal And Defense Segment
Goodwill [Roll Forward]
Balance as of beginning of period	217,262
Acquisitions	128,464
Balance as of end of period	$ 345,726