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Capital Purchase Program and Small Business Lending Fund (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended 1 Months Ended 1 Months Ended
Dec. 31, 2011
Nov. 30, 2010
Series A cumulative preferred stock [Member]
Aug. 25, 2011
Series A cumulative preferred stock [Member]
Nov. 10, 2010
Series A cumulative preferred stock [Member]
Aug. 31, 2011
Series B non cumulative preferred stock [Member]
Aug. 25, 2011
Series B non cumulative preferred stock [Member]
Capital Purchase Program and Small Business Lending Fund (Textual) [Abstract]            
Repurchased shares from the U.S. Department of the Treasury   6,250        
Percentage of outstanding Series A Preferred Stock shares repurchased from the U.S. Department of the Treasury   25.00%        
Total outstanding Series A Preferred Stock shares       25,000    
Issuance of Senior non cumulative perpetual preferred stock           12,500
Proceeds from issuance of Series B Preferred Stock shares $ 12,500       $ 12,500  
Number of preferred stock to be redeem     18,750