5. Debt (Details) (USD $) In Thousands, unless otherwise specified															9 Months Ended		9 Months Ended
	Dec. 31, 2011	Sep. 30, 2010	Sep. 30, 2012 SeniorSecuredDebtRelatedParty1Member	Dec. 31, 2011 SeniorSecuredDebtRelatedParty1Member	Sep. 30, 2012 SeniorSecuredDebtRelatedParty2Member	Dec. 31, 2011 SeniorSecuredDebtRelatedParty2Member	Sep. 30, 2012 SeniorSecuredDebtRelatedParty3Member	Dec. 31, 2011 SeniorSecuredDebtRelatedParty3Member	Sep. 30, 2012 Senior secured debt, related party	Dec. 31, 2011 Senior secured debt, related party	Sep. 30, 2012 Subordinated renewable notes	Dec. 31, 2011 Subordinated renewable notes	Sep. 30, 2012 Debt secured by receivables measured at fair value	Dec. 31, 2011 Debt secured by receivables measured at fair value	Sep. 30, 2012 Residual interest financing	Dec. 31, 2011 Residual interest financing	Sep. 30, 2012 Senior secured debt, related party	Sep. 30, 2012 SeniorSecuredDebtRelatedParty1Member	Sep. 30, 2012 SeniorSecuredDebtRelatedParty2Member	Sep. 30, 2012 SeniorSecuredDebtRelatedParty3Member	Sep. 30, 2012 Subordinated renewable notes	Sep. 30, 2012 Debt secured by receivables measured at fair value
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Interest Rate			14.00%		14.00%		14.00%		16.00%		14.60%		8.00%		12.88%
Maturity															Sep. 30, 2013		Feb. 28, 2012	Jun. 30, 2012	Oct. 31, 2012	Dec. 31, 2013	Mar. 31, 2015	Jul. 31, 2013
Other debt outstanding	$ 267,806	$ 166,380		$ 5,000		$ 1,200	$ 5,000	$ 5,000	$ 49,452	$ 47,144	$ 21,525	$ 20,750	$ 76,630	$ 166,828	$ 13,773	$ 21,884