| **GOODWILL AND OTHER INTANGIBLES (As Restated) (Finite-lived and Indefinite-lived Intangibles) (Details) - USD ($) $ in Thousands** | 3 Months Ended |
|-------------------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles subject to amortization                                                                                                 | $ 668,681      | $ 685,488 |   |
| Total intangibles                                                                                                                   | 690,181        | 706,988 |   |
| Accumulated Amortization                                                                                                            | (375,819)      | (359,012) |   |
| Amortization of intangibles                                                                                                         | 16,806         |   | $ 12,049 |
| Trade name [Member]                                                                                                                 |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles not subject to amortization                                                                                             | 21,500         | 21,500 |   |
| Dealer networks [Member]                                                                                                            |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles subject to amortization                                                                                                 | 534,250        | 544,054 |   |
| Accumulated Amortization                                                                                                            | (45,750)       | (35,946) |   |
| Chrysler Relationship [Member]                                                                                                      |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles subject to amortization                                                                                                 | 121,250        | 125,000 |   |
| Accumulated Amortization                                                                                                            | (17,500)       | (13,750) |   |
| Core deposit intangibles [Member]                                                                                                   |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles subject to amortization                                                                                                 | 5,338          | 7,779 |   |
| Accumulated Amortization                                                                                                            | (290,504)      | (288,063) |   |
| Other Intangibles [Member]                                                                                                          |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Intangibles subject to amortization                                                                                                 | 7,843          | 8,655 |   |
| Accumulated Amortization                                                                                                            | $ (22,065)     | (21,253) |   |
| Restatement Adjustment [Member] | Trade name [Member]                                                                               |           |   |   |
| **Net Carrying Amount**                                                                                                             |           |   |   |
| Impairment of intangible asset                                                                                                      |           | $ 28,500 |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.
+ References
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| - References
No definition available.
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