Supplemental Cash Flow Information (Schedule Of Noncash Activities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Supplemental Cash Flow Information [Abstract]
Loans transferred to other real estate owned	$ 37,140	$ 75,769	$ 141,439	$ 250,427
Beneficial conversion feature transferred from common stock to preferred stock as a result of subordinated debt conversions	917	2,863	14,519	40,607
Subordinated debt converted to preferred stock	$ 5,386	$ 16,834	$ 85,352	$ 241,152