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Fair Value Measurements (Impaired Loans And Other Real Estate Owned Measured At Fair Value On A Nonrecurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans $ 6,322 [1] $ 10,655 [1]
Other real estate owned 2,263 3,253
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans    [1]    [1]
Other real estate owned      
Significant Other Observable Inputs (Level 2) [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 3,151 [1] 2,710 [1]
Other real estate owned 2,263 3,253
Significant Unobservable Inputs (Level 3) [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 3,171 [1] 7,945 [1]
Other real estate owned     
[1] Includes loans charged down during the quarter to the net realizable value of the collateral.