Gain on Extinguishment of Debt (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Gain on Extinguishment of Debt		$ 271,031		$ 3,134
Senior Credit Facility aand Junior Subordinated Debt
Gain on Extinguishment of Debt		174,846	[1]
Loan Participation Sold
Gain on Extinguishment of Debt		75,000	[2]	1,124	[2]
Secured Debt [Member]
Gain on Extinguishment of Debt		$ 21,185	[3]	$ 2,010	[3]

[1] Represents the gain recorded on the extinguishment of certain of our legacy debt obligations as part of our March 2011 Restructuring. See Note 1 for further discussion.

[2] Represents the gain recorded on the termination of a loan participation sold which had previously been impaired. See Note 2 for discussion of loan participations sold.

[3] Represents the gain recorded as a result of realized losses in consolidated securitization vehicles. As losses in these vehicles are realized, they result in the extinguishment of certain subordinate classes of securitized debt of such consolidated securitization vehicles. See Notes 5 and 17 for discussion of consolidated securitization vehicles.