SEGMENT INFORMATION - Reconciliation of Adjusted Net Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	$ (249)	$ (6,532)
Add: Non-controlling share of adjustments to Adjusted Net Income	39	(989)
Equity in (losses) earnings of unconsolidated entities	(1,266)	85
Add: Cash payments for income taxes	3	351
Less: Incentive allocations	0	0
Less: Pro-rata share of Adjusted Net Income from investments in unconsolidated entities	1,266	(85)
Less: Asset impairment charges	0	0
Less: Changes in fair value of non-hedge derivative instruments	0	(3)
Less: Losses on the modification or extinguishment of debt and capital lease obligations	(2,456)	(1,579)
Less: Acquisition and transaction expenses	(1,452)	(1,059)
Less: Equity-based compensation expense	(87)	3,963
Less: Provision for income taxes	(212)	66
Net loss attributable to shareholders	(4,414)	(5,782)
Operating Segments | Reportable Subsegments | Aviation Leasing
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	(736)	0
Less: Acquisition and transaction expenses	(215)	0
Less: Provision for income taxes	(193)	97
Net loss attributable to shareholders	18,651	10,918
Operating Segments | Reportable Subsegments | Offshore Energy
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	0	0
Less: Acquisition and transaction expenses	0	0
Less: Provision for income taxes	(2)	0
Net loss attributable to shareholders	(4,768)	(5,390)
Operating Segments | Reportable Subsegments | Shipping Containers
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	(465)	85
Less: Acquisition and transaction expenses	0	0
Less: Provision for income taxes	25	4
Net loss attributable to shareholders	(415)	1,088
Operating Segments | Reportable Subsegments | Jefferson Terminal
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	(65)	0
Less: Acquisition and transaction expenses	0	0
Less: Provision for income taxes	(39)	(35)
Net loss attributable to shareholders	(3,672)	(4,699)
Operating Segments | Reportable Subsegments | Railroad
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	0	0
Less: Acquisition and transaction expenses	0	0
Less: Provision for income taxes	0	0
Net loss attributable to shareholders	116	294
Operating Segments | Reportable Subsegments | Ports and Terminals
Segment Reporting Information [Line Items]
Equity in (losses) earnings of unconsolidated entities	0	0
Less: Acquisition and transaction expenses	0	0
Less: Provision for income taxes	(3)	0
Net loss attributable to shareholders	(1,045)	0
Operating Segments | Reportable Subsegments | Equipment Leasing | Aviation Leasing
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	19,059	10,475
Operating Segments | Reportable Subsegments | Equipment Leasing | Offshore Energy
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(4,766)	(5,390)
Operating Segments | Reportable Subsegments | Equipment Leasing | Shipping Containers
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(440)	1,087
Operating Segments | Reportable Subsegments | Infrastructure | Jefferson Terminal
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(3,614)	(6,257)
Operating Segments | Reportable Subsegments | Infrastructure | Railroad
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	142	491
Operating Segments | Reportable Subsegments | Infrastructure | Ports and Terminals
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(1,042)	0
Corporate
Segment Reporting Information [Line Items]
Adjusted Net Income (Loss)	(9,588)	(6,938)
Equity in (losses) earnings of unconsolidated entities	0	0
Less: Acquisition and transaction expenses	(1,237)	(1,059)
Less: Provision for income taxes	0	0
Net loss attributable to shareholders	$ (13,281)	$ (7,993)