Other Real Estate Owned (Schedule Of Other Real Estate Segregated Into Covered And Non-Covered Properties) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	$ 119,320,000	$ 64,408,000
Other foreclosed property	5,722,000	163,000
Real estate acquired for development or resale	4,000	4,646,000
Total other real estate owned and foreclosed property	125,046,000	69,217,000
Non-Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	34,770,000	13,840,000
Other foreclosed property	5,722,000	9,000
Real estate acquired for development or resale	4,000	4,646,000
Total other real estate owned and foreclosed property	40,496,000	18,495,000
Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	84,550,000	50,568,000
Other foreclosed property		154,000
Total other real estate owned and foreclosed property	$ 84,550,000	$ 50,722,000