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Disclosure about fair value of financial instruments (Tables) | 6 Months Ended
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Jun. 30, 2013
Fair Value Disclosures [Abstract] |
Carrying Amount and Estimated Fair Values of Company's Financial Instruments | The carrying amount and estimated fair values of the Company’s financial instruments summarized by level are as follows:
|  | June 30, 2013 |  |  | December 31, 2012 |
|  | Carrying Amount |  |  | Estimated Fair Value |  |  | Carrying Amount |  |  | Estimated Fair Value |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Level 1 inputs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 2,931 |  |  | $ | 2,931 |  |  | $ | 3,298 |  |  | $ | 3,298 |
Restricted cash |  |  | 1,900 |  |  |  | 1,900 |  |  |  | 1,338 |  |  |  | 1,338 |
Level 2 inputs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate caps |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | 1 |
Level 3 inputs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net finance receivables |  |  | 434,823 |  |  |  | 434,823 |  |  |  | 413,943 |  |  |  | 413,943 |
Repossessed assets |  |  | 822 |  |  |  | 822 |  |  |  | 711 |  |  |  | 711 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Level 3 inputs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior revolving credit facility |  |  | 302,279 |  |  |  | 302,279 |  |  |  | 292,379 |  |  |  | 292,379 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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