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Troubled Debt Restructurings (Schedule Of Troubled Debt Restructurings On Financing Receivables) (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
contract
Mar. 31, 2015
contract
Dec. 31, 2015
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Number of Contracts 26   24
Pre-Modification Outstanding Recorded Investment $ 832    
Post-Modification Outstanding Recorded Investment $ 832    
Troubled Debt Restructuring Modifications Number Of Contracts | contract 2 0  
Commercial Real Estate Non-Owner Occupied [Member]      
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Pre-Modification Outstanding Recorded Investment $ 736    
Post-Modification Outstanding Recorded Investment $ 736    
Troubled Debt Restructuring Modifications Number Of Contracts | contract 1    
Residential Single Family [Member]      
Troubled Debt Restructuring, Subsequent Periods [Line Items]      
Pre-Modification Outstanding Recorded Investment $ 96    
Post-Modification Outstanding Recorded Investment $ 96    
Troubled Debt Restructuring Modifications Number Of Contracts | contract 1