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Investments (Schedule of Gross Realized Gains, Losses and Gross Proceeds) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Investments [Abstract]        
Proceeds from sales of securities available for sale       $ 8,360 $ 723
Gross gains on sale of securities available for sale       289 6
Gross losses on sale of securities available for sale       (2)   
Net gains on sale of securities available for sale       $ 287 $ 6