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

Number of financing receivables that have been modified but not classified as troubled debt restructurings.

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Amount of increase (decrease) in loans.

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Number Of Geographic Regions Representing Of Lending Footprint

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Percentage of loan portfolio accruing loan past due 30 days or more.

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Amount of financing receivable modified as troubled debt restructuring.

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

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Amount of financing receivable on nonaccrual status.

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Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing.

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Unused amount of commitments to extend credit to customers.

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