Supplemental Cash Flow Information (Schedule Of Noncash Activities) (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
Supplemental Cash Flow Information [Abstract]
Loans transferred to other real estate owned	$ 51,724	$ 85,129	$ 104,299	$ 174,658
Beneficial conversion feature transferred from common stock to preferred stock as a result of subordinated debt conversions	8,537	23,139	13,602	37,744
Subordinated debt converted to preferred stock	$ 50,192	$ 138,469	$ 79,966	$ 224,318