Segment Information (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segments	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
REVENUES	$ 516,916	$ 465,955	$ 1,512,444	$ 1,251,915
Deferred Revenue, Revenue Recognized	5,800	1,100	4,800	2,900
Deferred Revenue	13,000		$ 13,000		$ 8,300
Number of reportable segments (in segments) | segments			2
Interest expense	12,167	14,459	$ 33,027	44,002
Deposit Contracts, Assets	0		0		$ 800
Customer Revenues [Member]
Segment Reporting Information [Line Items]
REVENUES	516,916	465,955	1,512,444	1,251,915
ACMI Services [Member]
Segment Reporting Information [Line Items]
REVENUES	357,375	330,906	1,034,963	851,338
Interest expense	3,693	4,672	9,719	13,668
Property, Plant and Equipment, Additions			69,800
ACMI Services [Member] | Customer Revenues [Member]
Segment Reporting Information [Line Items]
REVENUES	357,319	330,903	1,034,881	851,325
CAM [Member]
Segment Reporting Information [Line Items]
REVENUES	109,496	92,931	326,075	264,802
Interest expense	7,908	9,408	21,837	28,303
Property, Plant and Equipment, Additions			378,300
non lease revenue	9,800	2,300	27,100	9,200
CAM [Member] | Customer Revenues [Member]
Segment Reporting Information [Line Items]
REVENUES	79,975	$ 71,070	237,466	$ 198,546
Flight Equipment [Member]
Segment Reporting Information [Line Items]
Operating Leases, Future Minimum Payments Receivable, Current	72,200		72,200
Operating Leases, Future Minimum Payments Receivable, in Two Years	247,500		247,500
Operating Leases, Future Minimum Payments Receivable, in Three Years	197,300		197,300
Operating Leases, Future Minimum Payments Receivable, in Four Years	183,400		183,400
Operating Leases, Future Minimum Payments Receivable, in Five Years	157,500		157,500
Operating Leases, Future Minimum Payments Receivable, Thereafter	$ 361,900		$ 361,900