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Loans (Details Textual) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Loans (Textual) [Abstract]      
Total $ 382,339 $ 383,594 $ 390,394
Consumer and other loans [Member] | Demand deposit overdrafts [Member]
     
Loans (Textual) [Abstract]      
Total $ 71 $ 153