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Loans (Summary Of Loans Modified Under TDRs) (Details) - Total Commercial Related Loans [Member] - Accruing [Member]
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
contract
Sep. 30, 2018
USD ($)
contract
Loans Modified During Quarter [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | contract 2  
Pre-Modification Outstanding Recorded Investments $ 1,114  
Post-Modification Outstanding Recorded Investments 1,155  
Recorded Investment at Period End 1,154 $ 1,154
Loans Modified During Year [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | contract   3
Pre-Modification Outstanding Recorded Investments   $ 1,264
Post-Modification Outstanding Recorded Investments   1,305
Recorded Investment at Period End $ 1,293 $ 1,293