Covered Loans (Schedule Of Accretable Yield Or Income Expected To Be Collected) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Covered Loans [Line Items]
Beginning, Balance	$ 21,379
New loans purchased	0
Accretion of income	(6,014)
Reclassifications from (to) nonaccretable difference	4,774
Disposals/other adjustments	307
Ending, Balance	20,446
Covered Loans [Member]
Covered Loans [Line Items]
Beginning, Balance	92,053
New loans purchased	0
Accretion of income	(26,102)
Reclassifications from (to) nonaccretable difference	35,678
Disposals/other adjustments	(1,326)
Ending, Balance	$ 100,303