Other Real Estate Owned (Schedule Of Other Real Estate Segregated Into Covered And Non-Covered Properties) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	$ 122,639	$ 119,320
Real estate acquired for development or resale	3,954	5,722
Other foreclosed property	64	4
Total other real estate owned and foreclosed property	126,657	125,046
Non-Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	31,375	34,770
Real estate acquired for development or resale	3,954	5,722
Other foreclosed property	55	4
Total other real estate owned and foreclosed property	35,384	40,496
Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	91,264	84,550
Other foreclosed property	9
Total other real estate owned and foreclosed property	$ 91,273	$ 84,550