11. Level 3 Fair Value (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Residual Interest in Securitizations:
Balance at beginning of period	$ 2,246	$ 4,850	$ 4,824	$ 4,414
Cash paid (received) during period	(820)	45	(3,398)	23
Included in earnings				458
Balance at end of period	1,426	4,895	1,426	4,895
Warrant Derivative Liability:
Balance at beginning of period		51	355	967
Included in earnings		44	228	435
Reclassification to equity			(583)	(1,307)
Balance at end of period		$ 95		$ 95