SEGMENT INFORMATION - Reconciliation of Adjusted Net Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 232,030	$ 154,218	$ 610,035	$ 434,951
Add: Non-controlling share of Adjusted EBITDA	0	0	0	0
Equity in (losses) earnings of unconsolidated entities	(438)	46	(1,799)	(1,669)
Less: Pro-rata share of Adjusted EBITDA from unconsolidated entities	382	(642)	1,547	(96)
Less: Internalization fee to affiliate	0	0	(300,000)	0
Less: Interest expense and dividends on preferred shares	(66,272)	(48,519)	(185,845)	(141,436)
Less: Depreciation and amortization expense	(69,453)	(59,380)	(194,384)	(157,084)
Less: Incentive allocations	0	(4,274)	(7,456)	(12,540)
Less: Asset impairment charges	0	0	(962)	(1,220)
Less: Changes in fair value of non-hedge derivative instruments	0	0	0	0
Less: Losses on the modification or extinguishment of debt and capital lease obligations	0	0	(13,920)	0
Less: Acquisition and transaction expenses	(9,341)	(4,261)	(23,539)	(10,195)
Less: Equity-based compensation expense	(1,430)	(510)	(2,578)	(1,128)
Provision (benefit) from income taxes	(7,331)	(3,705)	130	(7,586)
Net income (loss) attributable to shareholders	78,147	32,973	(118,771)	101,997
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(6,207)	(5,929)	(19,507)	(16,042)
Equity in (losses) earnings of unconsolidated entities	0	0	0	0
Less: Internalization fee to affiliate			(300,000)
Less: Asset impairment charges			0	0
Less: Acquisition and transaction expenses	(4,621)	(1,822)	(13,318)	(4,098)
Provision (benefit) from income taxes	5,975	(242)		(541)
Net income (loss) attributable to shareholders	(75,237)	(63,824)		(183,505)
Aviation Leasing | Operating Segments
Segment Reporting Information [Line Items]
Adjusted EBITDA	136,423	116,858	366,211	345,580
Equity in (losses) earnings of unconsolidated entities	0	(108)	(207)	(242)
Less: Internalization fee to affiliate			0
Less: Asset impairment charges			(962)	(1,220)
Less: Acquisition and transaction expenses	(2,620)	(2,329)	(7,350)	(4,960)
Provision (benefit) from income taxes	(8,898)	(2,332)	(20,224)	(4,414)
Net income (loss) attributable to shareholders	59,596	55,467		185,886
Aerospace Products | Operating Segments
Segment Reporting Information [Line Items]
Adjusted EBITDA	101,814	43,289	263,331	105,413
Equity in (losses) earnings of unconsolidated entities	(438)	154	(1,592)	(1,427)
Less: Internalization fee to affiliate			0
Less: Asset impairment charges			0	0
Less: Acquisition and transaction expenses	(2,100)	(110)	(2,871)	(1,137)
Provision (benefit) from income taxes	(4,408)	(1,131)	$ (11,865)	(2,631)
Net income (loss) attributable to shareholders	$ 93,788	$ 41,330		$ 99,616