Allowance for Loan Losses (Narrative) (Details) $ in Thousands	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Loans And Leases Receivable Gross Carrying Amount	$ 598,845	$ 559,051
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Loans And Leases Receivable Gross Carrying Amount	$ 6,148	$ 8,351
Consumer Installment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Loans And Leases Receivables Number Of Loans | loan	0	3
Credit Quality Loans And Leases Receivable Gross Carrying Amount		$ 13