11. Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
Reconciliation for level 3 assets measured at fair value on a recurring basis using significant unobservable inputs
Balance at beginning of period	$ 4,850	$ 4,048	$ 4,414	$ 3,841
Cash paid (received) during period	45	0	23	0
Included in earnings	0	171	458	378
Balance at end of period	4,895	4,219	4,895	4,219
WarrantMember
Reconciliation for level 3 assets measured at fair value on a recurring basis using significant unobservable inputs
Balance at beginning of period	51	1,595	967	1,639
Included in earnings	44	(350)	435	(394)
Reclassification to equity	0	0	(1,307)	0
Balance at end of period	$ 95	$ 1,245	$ 95	$ 1,245