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Off-Balance-Sheet Financial Instruments and Concentrations of Credit Risk (Tables)
12 Months Ended
Dec. 31, 2012
Off-Balance-Sheet Financial Instruments and Concentrations of Credit Risk [Abstract]  
Off-Balance-Sheet Financial instruments
        At December 31, 2012 and 2011, the Bank had the following off-balance-sheet financial instruments, whose contract amounts represent credit risk:

As of December 31,
 
2012
  
2011
 
Unused lines, collateralized by residential real estate
 
$
56,420,000
  
$
59,427,000
 
Other unused commitments
  
45,747,000
   
39,313,000
 
Standby letters of credit
  
2,700,000
   
2,177,000
 
Commitments to extend credit
  
6,245,000
   
12,551,000
 
Total
 
$
111,112,000
  
$
113,468,000