SEGMENT INFORMATION - Location of Long-Lived Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	$ 1,769,799	$ 1,707,059
Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	2,618,928	2,439,168
Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	37,049	43,348
Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	438,104	525,461
Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	849,642	647,029
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	1,288,171	1,194,630
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	5,962	28,700
Corporate and Other | Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	166,744	160,615
Corporate and Other | Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Corporate and Other | Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	45,969	37,548
Corporate and Other | Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Corporate and Other | 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	120,775	123,067
Corporate and Other | 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	0	0
Aviation Leasing | Operating Segments | Equipment Leasing | Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	1,585,312	1,518,175
Aviation Leasing | Operating Segments | Equipment Leasing | Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	37,049	43,348
Aviation Leasing | Operating Segments | Equipment Leasing | Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	392,135	487,913
Aviation Leasing | Operating Segments | Equipment Leasing | Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	849,642	647,029
Aviation Leasing | Operating Segments | Equipment Leasing | 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	300,524	311,185
Aviation Leasing | Operating Segments | Equipment Leasing | 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	5,962	28,700
Jefferson Terminal | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	612,115	560,059
Jefferson Terminal | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Jefferson Terminal | Operating Segments | Infrastructure | 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	612,115	560,059
Jefferson Terminal | Operating Segments | Infrastructure | 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	0	0
Ports and Terminals | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	254,757	200,319
Ports and Terminals | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Africa
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Asia
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Operating Segments | Infrastructure | Property, plant and equipment and leasing equipment, net | Europe
Segment Reporting Information [Line Items]
Property, plant and equipment and equipment held for lease, net	0	0
Ports and Terminals | Operating Segments | Infrastructure | 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	254,757	200,319
Ports and Terminals | Operating Segments | Infrastructure | 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	$ 0	$ 0