SEGMENT INFORMATION - Location of Long-Lived Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	$ 1,471,794	$ 1,432,210
Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	2,260,462	2,141,063
Property, plant and equipment and leasing equipment, net | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	155,589	156,617
Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	46,339	47,353
Property, plant and equipment and leasing equipment, net | Africa | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	454,347	418,315
Property, plant and equipment and leasing equipment, net | Asia | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	34,858	34,667
Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	579,317	714,620
Property, plant and equipment and leasing equipment, net | Europe | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	121,950
Property, plant and equipment and leasing equipment, net | North America
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	1,146,759	926,270
Property, plant and equipment and leasing equipment, net | North America | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	120,731	0
Property, plant and equipment and leasing equipment, net | South America
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	33,700	34,505
Property, plant and equipment and leasing equipment, net | South America | Corporate
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Aviation Leasing | Property, plant and equipment and leasing equipment, net | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	1,277,027	1,236,138
Aviation Leasing | Property, plant and equipment and leasing equipment, net | Africa | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	46,339	47,353
Aviation Leasing | Property, plant and equipment and leasing equipment, net | Asia | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	419,489	383,648
Aviation Leasing | Property, plant and equipment and leasing equipment, net | Europe | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	579,317	592,670
Aviation Leasing | Property, plant and equipment and leasing equipment, net | North America | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	198,182	177,962
Aviation Leasing | Property, plant and equipment and leasing equipment, net | South America | Operating Segments | Equipment Leasing
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	33,700	34,505
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	455,525	433,404
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | Africa | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | Asia | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | Europe | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | North America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	455,525	433,404
Jefferson Terminal | Property, plant and equipment and leasing equipment, net | South America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Railroad | Property, plant and equipment and leasing equipment, net | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	51,050	51,157
Railroad | Property, plant and equipment and leasing equipment, net | Africa | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Railroad | Property, plant and equipment and leasing equipment, net | Asia | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Railroad | Property, plant and equipment and leasing equipment, net | Europe | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Railroad | Property, plant and equipment and leasing equipment, net | North America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	51,050	51,157
Railroad | Property, plant and equipment and leasing equipment, net | South America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Property, plant and equipment and leasing equipment, net | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	321,271	263,747
Ports and Terminals | Property, plant and equipment and leasing equipment, net | Africa | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Property, plant and equipment and leasing equipment, net | Asia | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Property, plant and equipment and leasing equipment, net | Europe | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Property, plant and equipment and leasing equipment, net | North America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	321,271	263,747
Ports and Terminals | Property, plant and equipment and leasing equipment, net | South America | Operating Segments | Infrastructure
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	$ 0	$ 0