5. Debt (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	$ 96,491	$ 144,296
Residual interest financing
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding		13,773
Interest rate	12.875% over one month Libor
Maturity date	September 2013
Residual interest financing 2
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	20,000
Interest rate	11.75% over one month Libor
Maturity date	April 2018
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	36,816	50,135
Interest rate	13.0% and 16.0% at September 30, 2013 and December 31, 2012, respectively
Maturity date	June 2014
Senior Secured Debt Related Party 2
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	2,147
Interest rate	5.00%
Maturity date	June 2014
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	20,640	23,281
Interest rate	Weighted average rate of 12.7% and 14.4% at September 30, 2013 and December 31, 2012, respectively
Maturity date	Weighted average maturity of July 2016 and June 2015 at September 30, 2013 and December 31, 2012, respectively
Debt secured by receivables measured at fair value
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	$ 16,888	$ 57,107
Interest rate	n/a
Maturity date	Repayment is based on payments from underlying receivables. Final payment of the 8.00% note was made in September 2013, with residual payments extending through 2016