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Allowance for Loan Losses (Impaired Loans By Class) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | $ 9,453 | $ 12,495 |
Recorded Investment | 8,590 | 11,445 |
Related Allowance | 962 | 458 |
Average Recorded Investment | 8,898 | 11,642 | $ 13,700
Interest Income Recognized | 383 | 322 | $ 415
Consumer Installment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 34 |
Recorded Investment | 0 | 34 |
Related Allowance | 0 | 9 |
Average Recorded Investment | 0 | 36 |
Interest Income Recognized | 0 | 1 |
Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 1,535 | 1,221 |
Recorded Investment | 1,316 | 860 |
Related Allowance | 650 | 195 |
Average Recorded Investment | 1,485 | 909 |
Interest Income Recognized | 85 | 40 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,976 | 1,941 |
Recorded Investment | 2,926 | 1,907 |
Related Allowance | 193 | 59 |
Average Recorded Investment | 2,965 | 1,938 |
Interest Income Recognized | 105 | 72 |
Construction And Farmland [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 332 | 362 |
Recorded Investment | 281 | 316 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 297 | 330 |
Interest Income Recognized | 27 | 28 |
Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 4,610 | 8,937 |
Recorded Investment | 4,067 | 8,328 |
Related Allowance | 119 | 195 |
Average Recorded Investment | 4,151 | 8,429 |
Interest Income Recognized | 166 | 181 |
All Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized |  | 0 |
With No Related Allowance [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 4,822 | 9,519 |
Recorded Investment | 4,015 | 8,728 |
Average Recorded Investment | 4,177 | 8,889 |
Interest Income Recognized | 171 | 211 |
With No Related Allowance [Member] | Commercial - Non Real Estate Commercial And Industrial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 564 | 626 |
Recorded Investment | 356 | 304 |
Average Recorded Investment | 422 | 342 |
Interest Income Recognized | 25 | 23 |
With No Related Allowance [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 330 |
Recorded Investment | 0 | 331 |
Average Recorded Investment | 0 | 336 |
Interest Income Recognized | 0 | 15 |
With No Related Allowance [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 558 | 805 |
Recorded Investment | 501 | 767 |
Average Recorded Investment | 511 | 785 |
Interest Income Recognized | 4 | 20 |
With No Related Allowance [Member] | Construction And Farmland Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment |  | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
With No Related Allowance [Member] | Construction And Farmland Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 332 | 362 |
Recorded Investment | 281 | 316 |
Average Recorded Investment | 297 | 330 |
Interest Income Recognized | 27 | 28 |
With No Related Allowance [Member] | Consumer Installment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 25 |
Recorded Investment | 0 | 25 |
Average Recorded Investment | 0 | 27 |
Interest Income Recognized | 0 | 1 |
With No Related Allowance [Member] | Residential Equity Lines [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 468 | 0 |
Recorded Investment | 92 | 0 |
Average Recorded Investment | 93 | 0 |
Interest Income Recognized | 0 | 0 |
With No Related Allowance [Member] | Residential Single Family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,616 | 7,371 |
Recorded Investment | 2,499 | 6,985 |
Average Recorded Investment | 2,565 | 7,069 |
Interest Income Recognized | 101 | 124 |
With No Related Allowance [Member] | Residential Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 284 | 0 |
Recorded Investment | 286 | 0 |
Average Recorded Investment | 289 | 0 |
Interest Income Recognized | 14 | 0 |
With No Related Allowance [Member] | All Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance |  | 0 |
Recorded Investment |  | 0 |
Average Recorded Investment |  | 0 |
Interest Income Recognized |  | 0 |
With An Allowance Recorded [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 4,631 | 2,976 |
Recorded Investment | 4,575 | 2,717 |
Related Allowance | 962 | 458 |
Average Recorded Investment | 4,721 | 2,753 |
Interest Income Recognized | 212 | 111 |
With An Allowance Recorded [Member] | Commercial - Non Real Estate Commercial And Industrial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 971 | 595 |
Recorded Investment | 960 | 556 |
Related Allowance | 650 | 195 |
Average Recorded Investment | 1,063 | 567 |
Interest Income Recognized | 60 | 17 |
With An Allowance Recorded [Member] | Commercial Real Estate Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | Commercial Real Estate Non-Owner Occupied [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 2,418 | 806 |
Recorded Investment | 2,425 | 809 |
Related Allowance | 193 | 59 |
Average Recorded Investment | 2,454 | 817 |
Interest Income Recognized | 101 | 37 |
With An Allowance Recorded [Member] | Construction And Farmland Residential [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | Construction And Farmland Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | Consumer Installment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 9 |
Recorded Investment | 0 | 9 |
Related Allowance | 0 | 9 |
Average Recorded Investment | 0 | 9 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | Residential Equity Lines [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 217 |
Recorded Investment | 0 | 44 |
Related Allowance | 0 | 44 |
Average Recorded Investment | 0 | 45 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | Residential Single Family [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 1,242 | 1,349 |
Recorded Investment | 1,190 | 1,299 |
Related Allowance | 119 | 151 |
Average Recorded Investment | 1,204 | 1,315 |
Interest Income Recognized | 51 | 57 |
With An Allowance Recorded [Member] | Residential Multifamily [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
With An Allowance Recorded [Member] | All Other Loans [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Unpaid Principal Balance | 0 | 0 |
Recorded Investment | 0 | 0 |
Related Allowance | 0 | 0 |
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | $ 0 | $ 0 |

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