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Securities (Gross Gains and Gross Losses were Realized on Sales of Securities) (Details) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Securities        
Gross gains $ 38 $ 47 $ 288 $ 2,437
Gross losses     (196)  
Total $ 38 $ 47 $ 92 $ 2,437