Consolidated Securitization Vehicles (Details 4) (Consolidated Securization Vehicles, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Impaired Loans
Average Book Value	$ 2,773		$ 3,289
Income Recorded	290	[1]	1,546	[1]
Subordinated interests in mortgages
Average Book Value	2,773		3,289
Income Recorded	$ 290	[1]	$ 1,546	[1]

[1] Substantially all of the income recorded on impaired loans during the period was received in cash.