Quarterly report pursuant to Section 13 or 15(d)

Securitization of Receivables - Schedule of Cash Flows between Predecessor and Securitization Trusts (Detail)

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Securitization of Receivables - Schedule of Cash Flows between Predecessor and Securitization Trusts (Detail) (Predecessor [Member], USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Schedule Of Cash Flow Supplemental [Line Items]    
Purchase of receivables securitized $ 8,620,470 $ 67,476,207
Securitization Trust [Member]
   
Schedule Of Cash Flow Supplemental [Line Items]    
Purchase of receivables securitized   36,238,071
Proceeds from securitizations   37,333,128
Servicing fees received 264,828 292,414
Cash received from residual assets $ 121,405 $ 224,840