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Loans And Allowance For Loan Losses (Credit Quality Information-By Class) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | $ 540,632 | $ 534,597
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 513,855 | 517,732
Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 9,883 | 5,477
Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 9,078 | 4,317
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 7,816 | 7,071
Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 99,456 | 98,426
Commercial Mortgages-Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 87,093 | 90,995
Commercial Mortgages-Owner Occupied [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 5,763 | 1,461
Commercial Mortgages-Owner Occupied [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 4,053 | 3,517
Commercial Mortgages-Owner Occupied [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 2,547 | 2,453
Commercial Mortgages-Owner Occupied [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 174,315 | 175,274
Commercial Mortgages-Non-Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 170,980 | 172,342
Commercial Mortgages-Non-Owner Occupied [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 2,175 | 2,285
Commercial Mortgages-Non-Owner Occupied [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 422 | 332
Commercial Mortgages-Non-Owner Occupied [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 738 | 315
Commercial Mortgages-Non-Owner Occupied [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 16,193 | 15,471
Commercial Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 15,613 | 14,892
Commercial Construction [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 580 | 579
Commercial Construction [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Consumer Unsecured [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 8,541 | 8,754
Consumer Unsecured [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 8,493 | 8,747
Consumer Unsecured [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 39 |
Consumer Unsecured [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 9 | 6
Consumer Unsecured [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  | 1
Consumer Unsecured [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Consumer Secured [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 76,748 | 77,437
Consumer Secured [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 76,222 | 77,092
Consumer Secured [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 118 |
Consumer Secured [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 88 | 88
Consumer Secured [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 320 | 257
Consumer Secured [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Residential Mortgages [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 57,085 | 58,172
Residential Mortgages [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 53,529 | 55,336
Residential Mortgages [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 896 | 334
Residential Mortgages [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 2,660 | 2,502
Residential Mortgages [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Residential Consumer Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 8,967 | 8,186
Residential Consumer Construction [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 8,967 | 8,186
Residential Consumer Construction [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 99,327 | 92,877
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 92,958 | 90,142
Commercial [Member] | Monitor [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 312 | 818
Commercial [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | 4,506 | 374
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables | $ 1,551 | 1,543
Commercial [Member] | Doubtful [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing receivables |  |

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