SEGMENT INFORMATION - Reconciliation of Adjusted Net Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 66,472	$ 92,696	$ 138,467	$ 157,451
Add: Non-controlling share of adjustments to Adjusted Net Income	2,101	2,785	5,451	4,938
Equity in losses of unconsolidated entities	(3,209)	(169)	(2,944)	(553)
Less: Pro-rata share of Adjusted Net Income from investments in unconsolidated entities	(126)	(24)	287	94
Less: Interest expense	(21,794)	(25,394)	(44,655)	(46,128)
Less: Depreciation and amortization expense	(48,341)	(51,006)	(97,405)	(98,203)
Less: Incentive allocations	0	(2,211)	0	(2,373)
Less: Asset impairment charges	(10,476)	0	(10,476)	0
Less: Changes in fair value of non-hedge derivative instruments	0	3,470	(181)	250
Less: Losses on the modification or extinguishment of debt and capital lease obligations	0	0	(4,724)	0
Less: Acquisition and transaction expenses	(3,661)	(2,308)	(6,855)	(3,782)
Less: Equity-based compensation expense	(411)	(579)	(702)	(761)
Less: Provision for income taxes	3,750	2,328	3,848	2,061
Net loss attributable to shareholders from continuing operations	(15,695)	19,588	(19,889)	12,994
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(13,112)	(5,364)	(27,760)	(13,907)
Equity in losses of unconsolidated entities	(33)	(19)	(83)	18
Less: Interest expense	(19,130)	(20,522)	(38,170)	(37,036)
Less: Asset impairment charges	0		0
Less: Acquisition and transaction expenses	(1,581)	(1,338)	(1,269)	(1,834)
Less: Provision for income taxes	(200)	(3)	(203)	(4)
Net loss attributable to shareholders from continuing operations	(36,002)	(30,970)	(71,345)	(58,395)
Aviation Leasing | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Adjusted EBITDA	77,501	102,864	160,891	176,526
Equity in losses of unconsolidated entities	(594)	(242)	(1,185)	(443)
Less: Interest expense	0	0	0	0
Less: Asset impairment charges	(10,476)		(10,476)
Less: Acquisition and transaction expenses	(2,061)	(970)	(4,785)	(1,948)
Less: Provision for income taxes	3,427	2,369	3,382	2,189
Net loss attributable to shareholders from continuing operations	29,567	62,042	70,690	96,207
Jefferson Terminal | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Adjusted EBITDA	2,968	(2,563)	7,537	(3,853)
Equity in losses of unconsolidated entities	0	92	0	(128)
Less: Interest expense	(2,310)	(4,524)	(5,738)	(8,448)
Less: Asset impairment charges	0		0
Less: Acquisition and transaction expenses	0	0	0	0
Less: Provision for income taxes	(74)	(38)	(209)	(124)
Net loss attributable to shareholders from continuing operations	(4,741)	(12,167)	(12,740)	(21,739)
Ports and Terminals | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Adjusted EBITDA	(885)	(2,241)	(2,201)	(1,315)
Equity in losses of unconsolidated entities	(2,582)	0	(1,676)	0
Less: Interest expense	(354)	(348)	(747)	(644)
Less: Asset impairment charges	0		0
Less: Acquisition and transaction expenses	(19)	0	(801)	0
Less: Provision for income taxes	597	0	878	0
Net loss attributable to shareholders from continuing operations	$ (4,519)	$ 683	$ (6,494)	$ (3,079)