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Troubled Debt Restructurings (Schedule Of Troubled Debt Restructurings On Financing Receivables) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Number of troubled debt restructured loans 23 23 25
Total troubled debt restructured loans $ 9,700,000 $ 9,700,000 $ 10,700,000
Number of loans restructured one two  
Number of Contracts 1 2  
Pre-Modification Outstanding Recorded Investment 162,000 253,000  
Post-Modification Outstanding Recorded Investment 162,000 253,000  
Impairment Accrued        
Residential Single Family [Member]
      
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Number of Contracts   1  
Pre-Modification Outstanding Recorded Investment   91,000  
Post-Modification Outstanding Recorded Investment   91,000  
Impairment Accrued       
Commercial Real Estate [Member]
      
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Number of Contracts 1 1  
Pre-Modification Outstanding Recorded Investment 162,000 162,000  
Post-Modification Outstanding Recorded Investment 162,000 162,000  
Impairment Accrued