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Other Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Other Intangible Assets (Textual)    
Other intangible amortization expense $ 630 $ 737
Core Deposits and Other [Member]
   
Other Intangible Assets (Textual)    
Other intangible amortization expense 630 740
Data processing [Member]
   
Other Intangible Assets (Textual)    
Other intangible amortization expense $ 130 $ 280