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Investments (Securities Gains (Losses)) (Details) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Investments        
Gross gains on sales of investment securities available for sale     $ 156 $ 2,860
Gross losses on sales of investment securities available for sale (96)   (701) (1,729)
Other that temporary impairment loss on equity securities   (186)   (186)
Total securities gains (losses) $ (96) $ (186) $ (545) $ 945