SEGMENT INFORMATION - Statement of Income by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Total revenues	$ 465,794	$ 291,096			$ 1,236,082	$ 858,159
Expenses
Cost of sales	219,496	116,707			568,157	366,909
Operating expenses	26,858	33,887			81,274	81,218
General and administrative	4,045	3,015			10,697	10,270
Acquisition and transaction expenses	9,341	4,261			23,539	10,195
Management fees and incentive allocation to affiliate	0	4,577			8,449	13,137
Internalization fee to affiliate	0	0			300,000	0
Depreciation and amortization	56,775	43,959			163,386	123,399
Asset impairment	0	0			962	1,220
Total expenses	316,515	206,406			1,156,464	606,348
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	(438)	46			(1,799)	(1,669)
Interest expense	(57,937)	(40,185)			(160,840)	(117,976)
Loss on extinguishment of debt	0	0			(13,920)	0
Other income	2,909	461			3,045	877
Total other income (expense)	(55,466)	(39,678)			(173,514)	(118,768)
Income (loss) before income taxes	93,813	45,012			(93,896)	133,043
Provision (benefit) from income taxes	7,331	3,705			(130)	7,586
Net income (loss)	86,482	41,307	$ (180,248)	$ 84,150	(93,766)	125,457
Less: Dividends on preferred shares	8,335	8,334			25,005	23,460
Net income (loss) attributable to shareholders	78,147	32,973			(118,771)	101,997
Lease income
Revenues
Total revenues	65,450	45,622			189,365	161,141
Other income (expense)
Less: Dividends on preferred shares					25,005
Maintenance revenue
Revenues
Total revenues	59,917	63,925			156,894	141,131
Other income (expense)
Net income (loss) attributable to shareholders					(118,771)
Asset sales revenue
Revenues
Total revenues	34,953	61,400			145,993	246,927
Aerospace products revenue
Revenues
Total revenues	303,469	118,675			737,726	296,513
Other revenue
Revenues
Total revenues	2,005	1,474			6,104	12,447
Operating Segments
Other income (expense)
Other income
Income (loss) before income taxes
Corporate and Other
Revenues
Total revenues	10,059	11,033			26,343	33,837
Expenses
Cost of sales	0	0			0	0
Operating expenses	14,246	13,996			37,780	39,770
General and administrative	4,045	3,015			10,697	10,270
Acquisition and transaction expenses	4,621	1,822			13,318	4,098
Management fees and incentive allocation to affiliate		4,577			8,449	13,137
Internalization fee to affiliate					300,000
Depreciation and amortization	3,014	2,703			8,998	8,107
Asset impairment					0	0
Total expenses	25,926	26,113			379,242	75,382
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	0	0			0	0
Interest expense	(57,937)	(40,185)			(160,840)	(117,976)
Loss on extinguishment of debt					(13,920)
Other income	927	17			1,605	17
Total other income (expense)	(57,010)	(40,168)			(173,155)	(117,959)
Income (loss) before income taxes	(72,877)	(55,248)			(526,054)	(159,504)
Provision (benefit) from income taxes	(5,975)	242				541
Net income (loss)	(66,902)	(55,490)			(493,835)	(160,045)
Less: Dividends on preferred shares	8,335	8,334				23,460
Net income (loss) attributable to shareholders	(75,237)	(63,824)				(183,505)
Corporate and Other | Lease income
Revenues
Total revenues	8,128	9,641			20,438	28,163
Other income (expense)
Less: Dividends on preferred shares					25,005
Corporate and Other | Maintenance revenue
Revenues
Total revenues	0	0			0	0
Other income (expense)
Net income (loss) attributable to shareholders					(518,840)
Corporate and Other | Asset sales revenue
Revenues
Total revenues	0	0			0	0
Corporate and Other | Aerospace products revenue
Revenues
Total revenues	0	0			0	0
Corporate and Other | Other revenue
Revenues
Total revenues	1,931	1,392			5,905	5,674
Aviation Leasing | Operating Segments
Revenues
Total revenues	152,266	161,388			472,013	527,809
Expenses
Cost of sales	20,684	46,511			111,542	188,343
Operating expenses	9,995	13,944			26,984	28,610
General and administrative	0	0			0	0
Acquisition and transaction expenses	2,620	2,329			7,350	4,960
Management fees and incentive allocation to affiliate		0			0	0
Internalization fee to affiliate					0
Depreciation and amortization	52,455	41,141			151,211	114,994
Asset impairment					962	1,220
Total expenses	85,754	103,925			298,049	338,127
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	0	(108)			(207)	(242)
Interest expense	0	0			0	0
Loss on extinguishment of debt					0
Other income	1,982	444			1,440	860
Total other income (expense)	1,982	336			1,233	618
Income (loss) before income taxes	68,494	57,799			175,197	190,300
Provision (benefit) from income taxes	8,898	2,332			20,224	4,414
Net income (loss)	59,596	55,467			154,973	185,886
Less: Dividends on preferred shares	0	0			0	0
Net income (loss) attributable to shareholders	59,596	55,467				185,886
Aviation Leasing | Operating Segments | Lease income
Revenues
Total revenues	57,322	35,981			168,927	132,978
Other income (expense)
Provision (benefit) from income taxes					(32,219)
Aviation Leasing | Operating Segments | Maintenance revenue
Revenues
Total revenues	59,917	63,925			156,894	141,131
Other income (expense)
Net income (loss) attributable to shareholders					154,973
Aviation Leasing | Operating Segments | Asset sales revenue
Revenues
Total revenues	34,953	61,400			145,993	246,927
Aviation Leasing | Operating Segments | Aerospace products revenue
Revenues
Total revenues	0	0			0	0
Aviation Leasing | Operating Segments | Other revenue
Revenues
Total revenues	74	82			199	6,773
Aerospace Products | Operating Segments
Revenues
Total revenues	303,469	118,675			737,726	296,513
Expenses
Cost of sales	198,812	70,196			456,615	178,566
Operating expenses	2,617	5,947			16,510	12,838
General and administrative	0	0			0	0
Acquisition and transaction expenses	2,100	110			2,871	1,137
Management fees and incentive allocation to affiliate		0			0	0
Internalization fee to affiliate					0
Depreciation and amortization	1,306	115			3,177	298
Asset impairment					0	0
Total expenses	204,835	76,368			479,173	192,839
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	(438)	154			(1,592)	(1,427)
Interest expense	0	0			0	0
Loss on extinguishment of debt					0
Other income	0	0			0	0
Total other income (expense)	(438)	154			(1,592)	(1,427)
Income (loss) before income taxes	98,196	42,461			256,961	102,247
Provision (benefit) from income taxes	4,408	1,131			11,865	2,631
Net income (loss)	93,788	41,330			245,096	99,616
Less: Dividends on preferred shares	0	0			0	0
Net income (loss) attributable to shareholders	93,788	41,330				99,616
Aerospace Products | Operating Segments | Lease income
Revenues
Total revenues	0	0			0	0
Aerospace Products | Operating Segments | Maintenance revenue
Revenues
Total revenues	0	0			0	0
Other income (expense)
Net income (loss) attributable to shareholders					245,096
Aerospace Products | Operating Segments | Asset sales revenue
Revenues
Total revenues	0	0			0	0
Aerospace Products | Operating Segments | Aerospace products revenue
Revenues
Total revenues	303,469	118,675			737,726	296,513
Aerospace Products | Operating Segments | Other revenue
Revenues
Total revenues	$ 0	$ 0			$ 0	$ 0