| **LEASED VEHICLES, NET (Tables)**                                                    | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
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| **Leases [Abstract]**                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Schedule of Leased Vehicles, Net                                                     | Leased vehicles, net consisted of the following as of September 30, 2015 and December 31, 2014:  September 30, 2015 December 31, 2014  (in thousands)Leased vehicles $10,708,737 $8,314,356Origination fees and other costs 20,991 20,628Manufacturer subvention payments (1,058,594) (839,150)  9,671,134 7,495,834Less: accumulated depreciation (1,586,422) (857,719)Total Leased Vehicles, net $8,084,712 $6,638,115 |
| Schedule of Future Minimum Rental Payments Due to the Company Under Operating Leases | The following summarizes the future minimum rental payments due to the Company as lessor under operating leases as of September 30, 2015 (in thousands):   Remainder of 2015 $363,3332016 1,319,3422017 800,8732018 183,9082019 840Thereafter —Total $2,668,296                                                                                                                                                                                                      |

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| - Definition
Schedule of Future Minimum Rental Receivables for Operating Leases [Table Text Block]
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No definition available.
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No definition available.
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| - Definition
Tabular disclosure of lessor's property under leasing agreements and property available for lease (not currently under lease) by property class, the gross amount, accumulated depreciation and net amount of  as of the balance sheet date.
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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718
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