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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
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Impaired loans $ 6,836 [1] $ 10,655 [1]  
Loans held for sale 904 434  
Other real estate owned 2,112 3,253 3,440
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Impaired loans    [1]    
Loans held for sale       
Other real estate owned       
Significant Other Observable Inputs (Level 2) [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Loans held for sale 904 434  
Significant Unobservable Inputs (Level 3) [Member]
     
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Impaired loans 6,836 [1] 10,655 [1]  
Other real estate owned $ 2,112 $ 3,253  
[1] Includes loans charged down during the year to the net realizable value of the collateral.