SEGMENT INFORMATION - Reconciliation of Adjusted Net Income to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 597,282	$ 428,097	$ 322,828
Add: Non-controlling share of Adjusted EBITDA	0	0	0
Equity in losses of unconsolidated entities	(1,606)	(369)	(1,403)
Less: Pro-rata share of Adjusted EBITDA from unconsolidated entities	(310)	(40)	1,203
Less: Interest expense and dividends on preferred shares	(193,434)	(196,358)	(179,775)
Less: Depreciation and amortization expense	(213,641)	(190,031)	(175,718)
Less: Incentive allocations	(17,116)	(3,489)	0
Asset impairment	(2,121)	(137,219)	(10,463)
Less: Changes in fair value of non-hedge derivative instruments	0	0	0
Less: Losses on the modification or extinguishment of debt and capital lease obligations	0	(19,859)	(3,254)
Less: Acquisition and transaction expenses	(15,194)	(13,207)	(17,911)
Less: Equity-based compensation expense	(1,638)	0	0
(Benefit from) provision for income taxes	59,800	(5,300)	(3,126)
Net income (loss) attributable to shareholders from continuing operations	212,022	(137,775)	(67,619)
Operating Segments | Aviation Leasing
Segment Reporting Information [Line Items]
Adjusted EBITDA	467,388	380,145	321,446
Equity in losses of unconsolidated entities	(148)	740	0
Asset impairment	(2,121)	(137,219)	(10,463)
Less: Acquisition and transaction expenses	(7,150)	(1,923)	(982)
(Benefit from) provision for income taxes	36,193	(2,502)	(2,073)
Net income (loss) attributable to shareholders from continuing operations	291,603	56,944	140,272
Operating Segments | Aerospace Products
Segment Reporting Information [Line Items]
Adjusted EBITDA	160,009	74,345	22,745
Equity in losses of unconsolidated entities	(1,458)	(1,109)	(1,403)
Asset impairment	0	0	0
Less: Acquisition and transaction expenses	(1,722)	(243)	0
(Benefit from) provision for income taxes	24,440	(2,961)	(1,135)
Net income (loss) attributable to shareholders from continuing operations	180,177	70,659	21,344
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(30,115)	(26,393)	(21,363)
Equity in losses of unconsolidated entities	0	0	0
Asset impairment	0	0	0
Less: Acquisition and transaction expenses	(6,322)	(11,041)	(16,929)
(Benefit from) provision for income taxes	(833)	163	82
Net income (loss) attributable to shareholders from continuing operations	$ (259,758)	$ (265,378)	$ (229,235)