Supplemental Disclosure of Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Non-cash activities
Reclassification from loans receivable to real estate owned	$ 1,481	$ 409	$ 4,040
Loans receivable originated to facilitate sales of real estate owned	1,225	1,172	3,325
Reclassifications reducing secured borrowings - government guaranteed loans and loans receivable, net			7,692
Consolidation of off-balance sheet securitizations:
Off balance sheet loans receivable			27,752
Off balance sheet restricted cash and cash equivalents			3,396
Off balance sheet structured notes payable			$ 19,524