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Troubled Debt Restructurings (Schedule Of Troubled Debt Restructurings On Financing Receivables) (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
contract
Sep. 30, 2014
USD ($)
contract
Sep. 30, 2015
USD ($)
contract
Sep. 30, 2014
USD ($)
contract
Dec. 31, 2014
Troubled Debt Restructuring, Subsequent Periods [Line Items]          
Number of Contracts     23   25
Pre-Modification Outstanding Recorded Investment $ 169 $ 1,010 $ 688 $ 1,010  
Post-Modification Outstanding Recorded Investment $ 169 $ 708 $ 688 $ 708  
Troubled Debt Restructuring Modifications Number Of Contracts | contract 1 3 2 3  
Residential Equity Lines [Member]          
Troubled Debt Restructuring, Subsequent Periods [Line Items]          
Pre-Modification Outstanding Recorded Investment   $ 69   $ 69  
Post-Modification Outstanding Recorded Investment   $ 69   $ 69  
Troubled Debt Restructuring Modifications Number Of Contracts | contract   1   1  
Residential Single Family [Member]          
Troubled Debt Restructuring, Subsequent Periods [Line Items]          
Pre-Modification Outstanding Recorded Investment $ 169 $ 652 $ 688 $ 652  
Post-Modification Outstanding Recorded Investment $ 169 $ 350 $ 688 $ 350  
Troubled Debt Restructuring Modifications Number Of Contracts | contract 1 1 2 1  
Commercial - Non Real Estate Commercial And Industrial [Member]          
Troubled Debt Restructuring, Subsequent Periods [Line Items]          
Pre-Modification Outstanding Recorded Investment   $ 289   $ 289  
Post-Modification Outstanding Recorded Investment   $ 289   $ 289  
Troubled Debt Restructuring Modifications Number Of Contracts | contract   1   1