REVENUE EARNING EQUIPMENT, NET - Schedule of Revenue Earning Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Revenue Earning Equipment [Line Items]
Cost	$ 15,613,763	$ 16,172,017
Accumulated Depreciation	(6,043,924)	(5,744,353)
Net Book Value	9,569,839	10,427,664
ChoiceLease
Revenue Earning Equipment [Line Items]
Cost	11,681,853	12,223,179
Accumulated Depreciation	(4,188,226)	(4,125,342)
Net Book Value	7,493,627	8,097,837
Commercial rental
Revenue Earning Equipment [Line Items]
Cost	2,795,894	3,200,403
Accumulated Depreciation	(954,648)	(1,049,850)
Net Book Value	1,841,246	2,150,553
Held for sale
Revenue Earning Equipment [Line Items]
Cost	1,136,016	748,435
Accumulated Depreciation	(901,050)	(569,161)
Net Book Value	234,966	179,274
Assets held under finance leases
Revenue Earning Equipment [Line Items]
Cost	10,000	12,000
Accumulated Depreciation	$ (8,000)	$ (8,000)