Covered Assets and Indemnification Asset (Summary Of Activity In Covered Other Real Estate Owned) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Covered Assets and Indemnification Asset [Roll Forward]
Balance, beginning of period	$ 7,896	$ 12,787	$ 10,374	$ 19,491
Additions to covered OREO	812	562	2,554	1,346
Dispositions of covered OREO	(5,098)	(3,718)	8,765	8,300
Valuation adjustments in the period	(126)	(440)	(679)	(3,346)
Balance, end of period	$ 3,484	$ 9,191	$ 3,484	$ 9,191