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Securities (Restricted Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Carrying Value Qualitative Disclosures Related To Election [Line Items]    
Restricted Investments $ 2,943 $ 3,520
Federal Reserve Bank Stock [Member]
   
Carrying Value Qualitative Disclosures Related To Election [Line Items]    
Restricted Investments 344 344
Federal Home Loan Bank Stock [Member]
   
Carrying Value Qualitative Disclosures Related To Election [Line Items]    
Restricted Investments 2,459 3,036
Community Bankers' Bank Stock [Member]
   
Carrying Value Qualitative Disclosures Related To Election [Line Items]    
Restricted Investments $ 140 $ 140