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Investment Securities (Summary Of Sales Of Available For Sale Securities) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2010
Investment Securities [Abstract]    
Proceeds from sales $ 6,588 $ 57,782
Gross realized gains 45 2,497
Gross realized losses $ (10) $ (3)