| **Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands** | Sep. 30, 2015 | Dec. 31, 2014 |
|------------------------------------------------------------------------------------------------|---------------|---------------|
| **ASSETS**                                                                                     |          |          |
| Loans held for investment, fair value                                                          | $ 374,200     | $ 845,900     |
| Accumulated depreciation                                                                       | 804,600       | 638,000       |
| Residential servicing rights at fair value                                                     | 143,535       | 145,047       |
| Leased vehicles, accumulated depreciation                                                      | $ 1,557,268   | $ 817,901     |
| **STOCKHOLDER'S EQUITY**                                                                       |          |          |
| Preferred Stock, no par value (in usd per share)                                               |               |               |
| Preferred Stock, liquidation preference                                                        | $ 25          | $ 25          |
| Preferred Stock, shares authorized                                                             | 7,500,000     | 7,500,000     |
| Preferred Stock, shares outstanding                                                            | 8,000         | 8,000         |
| Common Stock, no par value (in usd per share)                                                  |               |               |
| Common Stock, shares authorized                                                                | 800,000,000   | 800,000,000   |
| Common Stock, shares outstanding                                                               | 530,391,043   | 530,391,043   |
| Residential mortgages                                                                          |          |          |
| **ASSETS**                                                                                     |          |          |
| Residential servicing rights at fair value                                                     | $ 143,535     | $ 145,047     |

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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Face amount per share of no-par value common stock.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
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| - Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
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| - Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
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| - Definition
Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.
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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.
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Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.
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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
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| - Definition
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
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The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.
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| - Definition
Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.
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