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Description of Business (Narrative) (Details) | 3 Months Ended
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Mar. 31, 2018 USD ($) loan program
Description Of Business [Abstract] |
Number of business programs | program | 2
Number of consumers required to group advances | 100
Number of consumer loans assigned to receive accelerated Dealer Holdback payment | 100
Servicing fee percentage in collections | 20.00%
One-time enrollment fee in program | $ | $ 9,850
Payment Holdback Percentage | 50.00%

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