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Troubled Debt Restructurings (Loans By Class Of Financing Receivable Modified As TDRs) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
contract
Mar. 31, 2012
contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts 1 1
Troubled Debt Restructurings Within Previous Twelve Months [Member]
    
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts 6 1
Recorded Investment 1,679 196
Commercial Real Estate Owner Occupied [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member]
    
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts 1  
Recorded Investment 161  
Commercial Real Estate Non-Owner Occupied [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member]
    
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts 1  
Recorded Investment 556  
Residential Single Family [Member]
    
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts   1
Residential Single Family [Member] | Troubled Debt Restructurings Within Previous Twelve Months [Member]
    
Troubled Debt Restructuring, Subsequent Periods [Line Items]    
Number of Contracts 4 1
Recorded Investment 962 196