5. Debt (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1	$ 121,332	$ 144,296
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1		50,135
Other debt outstanding 2
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1		23,281
Residual interest financing
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1	13,773	13,773
Other debt outstanding 2	20,000
Interest rate 1	12.875% over one month Libor
Interest rate 2	11.75% over one month Libor
Maturity date 1	September 2013
Maturity date 2	April 2018
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1	36,505
Other debt outstanding 2	2,863
Interest rate 1	13.0% and 16.0% at June 30, 2013 and December 31, 2012, respectively
Interest rate 2	5.00%
Maturity date 1	June 2014
Maturity date 2	June 2014
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding 1	22,569
Interest rate 1	Weighted average rate of 13.2% and 14.4% at June 30, 2013 and December 31, 2012, respectively
Maturity date 1	Weighted average maturity of March 2016 and June 2015 at June 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 1	$ 25,622	$ 57,107
Interest rate 1	8.00%
Maturity date 1	Repayment is based on payments from underlying receivables. Final payment of the 8.00% note is expected in September 2013, with residual payments extending through 2016