Consolidated Securitization Vehicles (Details 15) (USD $) In Thousands, unless otherwise specified	9 Months Ended			9 Months Ended										9 Months Ended						9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012 GECMC 00-1 H	Dec. 31, 2011 GECMC 00-1 H	Sep. 30, 2012 Other Securization Vehicles		Sep. 30, 2012 Securitization Vehicles		Sep. 30, 2012 Securitization Vehicles CT CDO I		Sep. 30, 2012 Securitization Vehicles CT CDO II		Sep. 30, 2012 Securitization Vehicles CT CDO III	Dec. 31, 2011 Securitization Vehicles CT CDO III	Sep. 30, 2012 Securitization Vehicles CT CDO IV		Sep. 30, 2012 Securitization Vehicles CT CDOs		Sep. 30, 2012 Securitization Vehicles GMACC 1997-C1	Dec. 31, 2011 Securitization Vehicles GMACC 1997-C1	Sep. 30, 2012 Securitization Vehicles GSMS 2006-FL8A		Sep. 30, 2012 Securitization Vehicles JPMCC 2004-FL1A	Dec. 31, 2011 Securitization Vehicles JPMCC 2004-FL1A	Sep. 30, 2012 Securitization Vehicles MSC 2007-XLCA	Dec. 31, 2011 Securitization Vehicles MSC 2007-XLCA
Principal Balance				$ 50,552		$ 497,423		$ 91,044		$ 156,900				$ 198,927	[1]	$ 446,871				$ 50,552
Book Value, beginning year			24,847	469,154		1,211,407		121,409		199,751			199,553	221,540	[1]	742,253			83,672	50,552					310,083
Book Value, ending year			$ 24,847	$ 50,552		$ 497,423		$ 91,044		$ 156,900			$ 199,553	$ 198,927	[1]	$ 446,871			$ 83,672	$ 50,552					$ 310,083
Coupon				1.06%	[2]	1.06%	[2]	1.26%	[2]	0.92%	[2]			1.07%	[2]	1.06%	[2]			1.06%	[2]
All-In Cost				1.06%		1.21%	[2],[3]	1.28%	[2]	1.21%	[2]			1.23%	[2]	1.23%	[2]			1.06%
Maturity Date	Mar. 31, 2016			Jun. 30, 2020	[4]	Aug. 31, 2042	[4]	Jul. 31, 2039	[4]	Mar. 31, 2050	[4]			Oct. 31, 2043	[4]	Feb. 28, 2045	[4]			Jun. 30, 2020	[4]

[1] Comprised, at September 30, 2012, of $184.9 million of floating rate notes sold and $14.0 million of fixed rate notes sold.

[2] Represents a weighted average for each respective facility, assuming LIBOR of 0.21% at September 30, 2012 for floating rate debt obligations.

[3] Including the impact of interest rate hedges with an aggregate notional balance of $273.7 million as of September 30, 2012, the effective all-in cost of our consolidated securitization vehicles' debt obligations would be 4.09% per annum.

[4] Maturity dates represent the contractual maturity of each securitization trust. Repayment of securitized debt is a function of collateral cash flows which are disbursed in accordance with the contractual provisions of each trust, and is generally expected to occur prior to the maturity date above.