SEGMENT INFORMATION - Statement of Income by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues
Total revenues	$ 292,718	$ 91,691
Expenses
Cost of sales	145,670	9,050
Operating expenses	22,534	61,799
General and administrative	4,067	4,561
Acquisition and transaction expenses	3,262	2,273
Management fees and incentive allocation to affiliate	2,997	3
Depreciation and amortization	40,926	41,305
Interest expense	39,292	44,139
Total expenses	259,968	285,920
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	(1,335)	198
Gain on sale of assets, net	0	16,288
Other income	8	128
Total other (expense) income	(1,327)	16,614
Income (loss) from continuing operations before income taxes	31,423	(177,615)
Provision for income taxes	2,026	1,339
Net income (loss) from continuing operations	29,397	(178,954)
Less: Net loss from continuing operations attributable to non-controlling interests in consolidated subsidiaries	0	0
Less: Dividends on preferred shares	6,791	6,791
Net income attributable to shareholders from continuing operations	22,606	(185,745)
Asset impairment	1,220	122,790
Lease income
Revenues
Total revenues	55,978	39,325
Maintenance revenue
Revenues
Total revenues	35,141	36,732
Asset Sales revenue
Revenues
Total revenues	108,691	0
Aerospace products revenue
Revenues
Total revenues	85,113	14,313
Other revenue
Revenues
Total revenues	7,795	1,321
Operating Segments
Other income (expense)
Income (loss) from continuing operations before income taxes
Corporate and Other
Revenues
Total revenues	8,565	6,666
Expenses
Cost of sales	0	0
Operating expenses	11,791	5,704
General and administrative	4,067	4,561
Acquisition and transaction expenses	1,045	2,064
Management fees and incentive allocation to affiliate	2,997	3
Depreciation and amortization	2,700	2,043
Interest expense	39,292	44,139
Total expenses	61,892	58,514
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	0	0
Gain on sale of assets, net		0
Other income	0	(37)
Total other (expense) income	0	(37)
Income (loss) from continuing operations before income taxes	(53,327)	(51,885)
Provision for income taxes	115	282
Net income (loss) from continuing operations	(53,442)	(52,167)
Less: Net loss from continuing operations attributable to non-controlling interests in consolidated subsidiaries	0	0
Less: Dividends on preferred shares	6,791	6,791
Net income attributable to shareholders from continuing operations	(60,233)	(58,958)
Asset impairment	0	0
Corporate and Other | Lease income
Revenues
Total revenues	7,148	5,367
Corporate and Other | Maintenance revenue
Revenues
Total revenues	0	0
Corporate and Other | Asset Sales revenue
Revenues
Total revenues	0
Corporate and Other | Aerospace products revenue
Revenues
Total revenues	0	0
Corporate and Other | Other revenue
Revenues
Total revenues	1,417	1,299
Aviation Leasing | Operating Segments
Revenues
Total revenues	199,040	70,712
Expenses
Cost of sales	92,234	0
Operating expenses	7,088	54,472
General and administrative	0	0
Acquisition and transaction expenses	1,462	209
Management fees and incentive allocation to affiliate	0	0
Depreciation and amortization	38,140	39,228
Interest expense	0	0
Total expenses	140,144	216,699
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	(99)	552
Gain on sale of assets, net		6,587
Other income	8	165
Total other (expense) income	(91)	7,304
Income (loss) from continuing operations before income taxes	58,805	(138,683)
Provision for income taxes	995	986
Net income (loss) from continuing operations	57,810	(139,669)
Less: Net loss from continuing operations attributable to non-controlling interests in consolidated subsidiaries	0	0
Less: Dividends on preferred shares	0	0
Net income attributable to shareholders from continuing operations	57,810	(139,669)
Asset impairment	1,220	122,790
Aviation Leasing | Operating Segments | Lease income
Revenues
Total revenues	48,830	33,958
Aviation Leasing | Operating Segments | Maintenance revenue
Revenues
Total revenues	35,141	36,732
Aviation Leasing | Operating Segments | Asset Sales revenue
Revenues
Total revenues	108,691
Aviation Leasing | Operating Segments | Aerospace products revenue
Revenues
Total revenues	0	0
Aviation Leasing | Operating Segments | Other revenue
Revenues
Total revenues	6,378	22
Aerospace Products | Operating Segments
Revenues
Total revenues	85,113	14,313
Expenses
Cost of sales	53,436	9,050
Operating expenses	3,655	1,623
General and administrative	0	0
Acquisition and transaction expenses	755	0
Management fees and incentive allocation to affiliate	0	0
Depreciation and amortization	86	34
Interest expense	0	0
Total expenses	57,932	10,707
Other income (expense)
Equity in (losses) earnings of unconsolidated entities	(1,236)	(354)
Gain on sale of assets, net		9,701
Other income	0	0
Total other (expense) income	(1,236)	9,347
Income (loss) from continuing operations before income taxes	25,945	12,953
Provision for income taxes	916	71
Net income (loss) from continuing operations	25,029	12,882
Less: Net loss from continuing operations attributable to non-controlling interests in consolidated subsidiaries	0	0
Less: Dividends on preferred shares	0	0
Net income attributable to shareholders from continuing operations	25,029	12,882
Asset impairment	0	0
Aerospace Products | Operating Segments | Lease income
Revenues
Total revenues	0	0
Aerospace Products | Operating Segments | Maintenance revenue
Revenues
Total revenues	0	0
Aerospace Products | Operating Segments | Asset Sales revenue
Revenues
Total revenues	0
Aerospace Products | Operating Segments | Aerospace products revenue
Revenues
Total revenues	85,113	14,313
Aerospace Products | Operating Segments | Other revenue
Revenues
Total revenues	$ 0	$ 0