Loans (Schedule Of Non-Accrual Loans And The Related Net Interest Foregone) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Loans [Abstract]
Non-accrual portfolio loans	$ 201,197	$ 242,319	$ 280,643
Non-accrual loans held-for-sale	760	2,873	54,826
Total non-accrual loans	201,957	245,192	335,469
Contractual interest due	13,049	17,304	23,746
Interest recognized	71	4,853	9,830
Net interest foregone	$ 12,978	$ 12,451	$ 13,916