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Loans And Related Allowances For Loan Losses (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) loan region | Dec. 31, 2020 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | $ 2,462,000 | $ 3,339,000
Financing receivable, modifications, subsequent default, recorded investment | $ 0 |
Pass [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of geographic regions utilized | region | 7 |
Number of geographic regions that represent lending footprint | region | 6 |
COVID Modifications [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Amount of financing receivable modified not classified as troubled debt restructuring | $ 9,400,000 |
Number of financing receivables that have been modified but not classified as troubled debt restructurings | loan | 13 |
COVID Modifications [Member] | Pass [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of financing receivables that have been modified but not classified as troubled debt restructurings | loan | 5 |
COVID Modifications [Member] | Substandard [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of financing receivables that have been modified but not classified as troubled debt restructurings | loan | 2 |
COVID Modifications [Member] | Special Mention [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of financing receivables that have been modified but not classified as troubled debt restructurings | loan | 6 |
Partial Charge Off [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | $ 500,000 | $ 400,000
Troubled Debt Restructuring [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Financing receivable, modifications, number of contracts | loan | 12 | 14
Financing receivable, modifications, recorded investment | $ 3,300,000 | $ 4,000,000.0
Unused commitments to extend credit | 0 | 0
Commercial real estate- non owner-occupied [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans |  | 8,000
Amount of increase (decrease) in loans | 7,500,000 |
Commercial real estate- all other CRE [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | 81,000 | 890,000
Amount of increase (decrease) in loans | 3,300,000 |
Acquisition and development- All other A&D [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | 390,000 | 366,000
Acquisition and development- 1-4 family residential construction [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Loans secured by real estate properties in process of foreclosure | $ 200,000 | $ 400,000
Percentage of loan portfolio accruing loan past due 30 days or more | 0.31% | 0.20%
Commercial and industrial [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | $ 90,000 |
Amount of increase (decrease) in loans | 3,800,000 |
Residential mortgage- term [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | 1,498,000 | $ 1,634,000
Residential mortgage- home equity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans | $ 403,000 | 414,000
Consumer [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccrual loans |  | $ 27,000

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