Securities (Schedule Of Activity For Available-For-Sale Securities Related To Sales, Maturities And Calls) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Securities [Abstract]        
Proceeds from calls and maturities $ 1,040 $ 7,260 $ 2,310 $ 11,920
Proceeds from sales 17,127 18,419 18,069 18,419
Realized gains 698 379 714 379
Realized losses          
Net impairment loss recognized in earnings    (107)    (499)
Tax benefit (provision) related to net realized gains and losses $ (271) $ (105) $ (277) $ 46