Basis Of Presentation (Effect On Consolidated Condensed Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011	Sep. 30, 2010
Net income	$ 20,381	$ 71,530	$ 61,522
Provision for loan losses	16,438	43,054	44,454
OREO devaluations	588	6,478	4,619
(Increase) in other assets		(35,456)	(30,621)
As Previously Reported [Member]
Net income	18,309	60,004
Provision for loan losses	18,525	55,925
OREO devaluations	1,688	11,339
(Increase) in other assets		(41,662)
Effect Of Change [Member]
Net income	2,072	11,526
Provision for loan losses	(2,087)	(12,871)
OREO devaluations	(1,100)	(4,861)
(Increase) in other assets		$ 6,206