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Allowance For Loan Losses (Schedule Of Impaired Loans) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Recorded investment $ 7,521 $ 3,885
With no related allowance recorded, Unpaid principal balance 7,546 7,874
With an allowance recorded, Recorded investment 2,985 5,782
With an allowance recorded, Unpaid principal balance 2,985 5,782
With an allowance recorded, Related allowance 428 647
Commercial and industrial    
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Recorded investment 651 849
With no related allowance recorded, Unpaid principal balance 651 3,013
With an allowance recorded, Recorded investment 0 0
With an allowance recorded, Unpaid principal balance 0 0
With an allowance recorded, Related allowance 0 0
Commercial real estate    
Financing Receivable, Impaired [Line Items]    
With no related allowance recorded, Recorded investment 6,870 3,036
With no related allowance recorded, Unpaid principal balance 6,895 4,861
With an allowance recorded, Recorded investment 2,985 5,782
With an allowance recorded, Unpaid principal balance 2,985 5,782
With an allowance recorded, Related allowance $ 428 $ 647