Derivative Instruments And Hedging Activities ((Gain/(Loss) Recognized In Income On Derivative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/(Loss) Recognized in Income on Derivative			$ (6,351)		$ (924)
Derivatives - Securitization Transactions [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/Loss Recognized in Income on Derivative		[1]	(8)	[1]	1,177	[1]
Derivatives - Conduit Facility [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain/Loss Recognized in Income on Derivative		[1]	$ (6,343)	[1]	$ (2,101)	[1]

[1] Gain/(loss) recognized in income is included in financial services revenue.