REVENUE EARNING EQUIPMENT Schedule of Revenue Earning Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Revenue Earning Equipment [Line Items]
Cost	$ 13,673,292	$ 13,022,916
Accumulated Depreciation	(4,826,496)	(4,667,654)
Net Book Value	8,846,796	8,355,262
ChoiceLease
Revenue Earning Equipment [Line Items]
Cost	10,283,609	10,002,981
Accumulated Depreciation	(3,548,389)	(3,367,431)
Net Book Value	6,735,220	6,635,550
Commercial rental
Revenue Earning Equipment [Line Items]
Cost	3,016,416	2,616,706
Accumulated Depreciation	(1,008,785)	(1,001,965)
Net Book Value	2,007,631	1,614,741
Held for sale
Revenue Earning Equipment [Line Items]
Cost	373,267	403,229
Accumulated Depreciation	(269,322)	(298,258)
Net Book Value	103,945	104,971
Assets held under capital leases
Revenue Earning Equipment [Line Items]
Cost	23,000	29,000
Accumulated Depreciation	$ (12,000)	$ (14,000)