Quarterly report pursuant to Section 13 or 15(d)

Securities (Details Textual)

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Securities (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2011
Jun. 30, 2012
Issue
Dec. 31, 2011
Securities (Textual) [Abstract]      
Securities had an unrealized loss   $ (490,000) $ (721,000)
Securities (Additional Textual) [Abstract]      
Federal Home Loan Bank requires Bank to maintain percentage of stock equal to outstanding borrowings   4.50%  
Federal Reserve Bank require to maintain stock with a percentage par value equal to its outstanding capital   6.00%  
Restricted equity securities consist of Federal Reserve Bank stock   6,800,000 6,700,000
Federal Home Loan Bank Stock   12,500,000 13,900,000
Individual securities that had been in a continuous loss position, amount   2,931,000 4,880,000
Individual securities that had been in a continuous loss position   6  
Securities with an amortized cost   171,300,000 172,100,000
Credit-related OTTI 400,000    
Corporate and municipal obligations [Member]
     
Securities (Textual) [Abstract]      
Securities had an unrealized loss   $ 490,000