5. Debt (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	$ 128,507	$ 144,296
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding		50,135
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding		23,281
Residual interest financing
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	13,773	13,773
Interest rate	12.875% over one month Libor
Maturity date	September 2013
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	50,789
Interest rate	16.00%
Maturity date	December 2013
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	23,558
Interest rate	Weighted average rate of 14.1% and 14.4% at March 31, 2013 and December 31, 2012, respectively
Maturity date	Weighted average maturity of September 2015 and June 2015 at March 31, 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	$ 40,387	$ 57,107
Interest rate	8.00%
Maturity date	Repayment is based on payments from underlying receivables. Final payment of the 8.00% note is expected in July 2013, with residual payments extending through 2016