Loan Sales And Securitizations (Schedule Of Cash Flows Related To Loan Sales And Securitizations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Loan Sales And Securitizations [Abstract]
Proceeds from initial sales	$ 46,452		$ 54,621		$ 100,748		$ 193,823
Servicing fees retained	15,494	[1]	19,843	[1]	33,226	[1]	41,335	[1]
Purchases of GNMA guaranteed mortgages	27,684		15,704		62,715		37,911
Purchases of previously transferred financial assets	75,118	[2]	88,444	[2]	141,918	[2]	141,636	[2]
Other cash flows received on retained interests	$ 3,554		$ 1,859		$ 5,219		$ 4,062

[1] Includes servicing fees on MSR associated with loan sales and purchased MSR.

[2] Includes repurchases of both delinquent and performing loans, foreclosed assets, and make-whole payments for economic losses incurred by purchaser. Also includes buyouts from GSEs in order to facilitate foreclosures.