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Loans And Leases (Loans Modified As TDRs By Class Of Loans) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
loan
Dec. 31, 2015
USD ($)
loan
Financing Receivable, Modifications [Line Items]    
Number of Loans | loan 1 2
Pre-Modification Outstanding Recorded Investment $ 339 $ 18
Post-Modification Outstanding Recorded Investment $ 339 $ 18
Commercial [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans | loan 1  
Pre-Modification Outstanding Recorded Investment $ 339  
Post-Modification Outstanding Recorded Investment $ 339  
Single-Family Mortgage Loans [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans | loan 1 1
Pre-Modification Outstanding Recorded Investment   $ 9
Post-Modification Outstanding Recorded Investment   $ 9
Home Equity Line of Credit, Originated Portfolio [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Loans | loan 1 1
Pre-Modification Outstanding Recorded Investment   $ 9
Post-Modification Outstanding Recorded Investment   $ 9