CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues [Abstract]
Rental of flight equipment	$ 541,397	$ 519,535	$ 1,653,223	$ 1,439,674
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Aircraft Sales, Trading And Other [Member]	Aircraft Sales, Trading And Other [Member]	Aircraft Sales, Trading And Other [Member]	Aircraft Sales, Trading And Other [Member]
Aircraft sales, trading and other	$ 19,937	$ 4,974	$ 62,469	$ 51,539
Total revenues	561,334	524,509	1,715,692	1,491,213
Expenses
Interest	122,348	114,659	358,621	346,244
Amortization of debt discounts and issuance costs	13,162	12,571	39,772	37,109
Interest expense	135,510	127,230	398,393	383,353
Depreciation	242,503	224,960	713,095	651,742
Write-off of Russian fleet	0	0	802,352	0
Selling, general and administrative	39,718	31,082	110,993	84,682
Stock-based compensation expense	5,764	6,692	9,799	18,800
Total expenses	423,495	389,964	2,034,632	1,138,577
Income/(loss) before taxes	137,839	134,545	(318,940)	352,636
Income tax (expense)/benefit	(27,458)	(27,208)	76,606	(67,785)
Net income/(loss)	110,381	107,337	(242,334)	284,851
Preferred stock dividends	(10,425)	(7,331)	(31,275)	(19,010)
Net income/(loss) available to common stockholders, basic	99,956	100,006	(273,609)	265,841
Net income/(loss) available to common stockholders, diluted	99,956	100,006	(273,609)	265,841
Other comprehensive income/(loss):
Foreign currency translation adjustment	21,481	7,129	27,811	(943)
Change in fair value of hedged transactions	(17,063)	(7,874)	(21,774)	(1,677)
Total tax (expense)/benefit on other comprehensive income/loss	(946)	159	(1,292)	560
Other comprehensive income/(loss), net of tax	3,472	(586)	4,745	(2,060)
Total comprehensive income/(loss) attributable for common stockholders	$ 103,428	$ 99,420	$ (268,864)	$ 263,781
Earnings/(loss) per share of common stock:
Basic (in dollars per share)	$ 0.90	$ 0.88	$ (2.45)	$ 2.33
Diluted (in dollars per share)	$ 0.90	$ 0.87	$ (2.45)	$ 2.32
Weighted-average shares outstanding
Basic (in shares)	110,892,097	114,122,512	111,874,002	114,071,951
Diluted (in shares)	111,090,133	114,381,621	111,874,002	114,415,169
Dividends declared per share of common stock (in dollars per share)	$ 0.185	$ 0.16	$ 0.555	$ 0.48