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Securities (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Investments, Debt and Equity Securities [Abstract]      
Marketable Securities, Gain (Loss) $ 4,000 $ (4,000)  
Securities (Textual) [Abstract]      
Callable Securities in Investment Portfolio 8,000,000 8,000,000 7,700,000
Investment Securities Pledged $ 353,400,000 $ 353,400,000 $ 365,800,000