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Allowance For Loan Losses (Schedule Of Information Related To Average Recorded Investment And Interest Income Recognized On Impaired Loans) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Average recorded investment $ 7,304 $ 7,078
With no related allowance recorded, Interest income recognized 63 9
With an allowance recorded, Average recorded investment 2,832 0
With an allowance recorded, Interest income recognized 38 0
Commercial And Industrial [Member]    
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Average recorded investment 1,282 2,339
With no related allowance recorded, Interest income recognized 0 0
With an allowance recorded, Average recorded investment 0 0
With an allowance recorded, Interest income recognized 0 0
Commercial Real Estate [Member]    
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Average recorded investment 6,022 4,739
With no related allowance recorded, Interest income recognized 63 9
With an allowance recorded, Average recorded investment 2,832 0
With an allowance recorded, Interest income recognized $ 38 $ 0