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Securities (Details Textual) (USD $)
9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Investments, Debt and Equity Securities [Abstract]    
Marketable Securities, Gain (Loss) $ (4,000)  
Securities (Textual) [Abstract]    
Callable Securities in Investment Portfolio 8,300,000 7,700,000
Investment Securities Pledged $ 361,900,000 $ 365,800,000