CONSOLIDATED STATEMENTS OF INCOME AND OTHER COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues and other income
Total rental of flight equipment revenue	$ 678,709	$ 609,505	$ 1,324,078	$ 1,223,834
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]
Gain on aircraft sales and trading and other income	$ 52,987	$ 57,783	$ 145,900	$ 106,764
Total revenues and other income	731,696	667,288	1,469,978	1,330,598
Expenses
Interest	209,087	190,004	417,661	371,599
Amortization of debt discounts and issuance costs	13,217	13,292	27,212	26,401
Interest expense	222,304	203,296	444,873	398,000
Depreciation of flight equipment	304,288	281,982	603,307	559,242
Recoveries of Russian fleet write-off	(344,002)	0	(675,940)	0
Selling, general and administrative	49,851	45,432	109,199	93,175
Stock-based compensation expense	12,674	8,837	30,290	17,112
Total expenses	245,115	539,547	511,729	1,067,529
Income before taxes	486,581	127,741	958,249	263,069
Income tax expense	(101,414)	(24,795)	(197,249)	(52,257)
Net income	385,167	102,946	761,000	210,812
Preferred stock dividends	(11,081)	(12,508)	(22,163)	(22,933)
Net income attributable to common stockholders, basic	374,086	90,438	738,837	187,879
Net income attributable to common stockholders, diluted	374,086	90,438	738,837	187,879
Other comprehensive income/(loss):
Foreign currency translation adjustment	(94,267)	14,576	(121,968)	33,020
Change in fair value of hedged transactions	90,331	(15,226)	101,557	(35,086)
Total tax benefit on other comprehensive income	842	139	4,367	442
Other comprehensive income/(loss), net of tax	(3,094)	(511)	(16,044)	(1,624)
Total comprehensive income attributable to common stockholders	$ 370,992	$ 89,927	$ 722,793	$ 186,255
Earnings per share of common stock:
Basic (in dollars per share)	$ 3.35	$ 0.81	$ 6.62	$ 1.69
Diluted (in dollars per share)	$ 3.33	$ 0.81	$ 6.59	$ 1.68
Weighted-average shares of common stock outstanding
Basic (in shares)	111,762,758	111,372,434	111,656,919	111,273,514
Diluted (in shares)	112,233,226	111,740,821	112,191,471	111,712,719
Lease rentals
Revenues and other income
Total rental of flight equipment revenue	$ 647,661	$ 594,847	$ 1,284,893	$ 1,185,322
Maintenance rentals and other receipts
Revenues and other income
Total rental of flight equipment revenue	$ 31,048	$ 14,658	$ 39,185	$ 38,512