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Allowance For Loan Loss Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 5,107		$ 5,308
Financing Receivable, Collectively Evaluated for Impairment	457,885		465,436
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	296		329
Allowance for loan losses	5,107	$ 5,618	5,308
Loans and Leases Receivable, Gross, Carrying Amount	458,181	462,488	465,765
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	829		679
Financing Receivable, Collectively Evaluated for Impairment	87,933		87,754
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	829		679
Loans and Leases Receivable, Gross, Carrying Amount	87,933	82,585	87,754
Construction And Land Development Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	639		613
Financing Receivable, Collectively Evaluated for Impairment	37,477		32,967
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	639		613
Loans and Leases Receivable, Gross, Carrying Amount	37,477	33,514	32,967
Commercial Real Estate Loans, Total [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,704		2,915
Financing Receivable, Collectively Evaluated for Impairment	242,646		250,370
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	199		218
Allowance for loan losses	2,704		2,915
Loans and Leases Receivable, Gross, Carrying Amount	242,845	255,136	250,588
Residential Real Estate Loans, Total [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	838		954
Financing Receivable, Collectively Evaluated for Impairment	82,067		85,714
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	97		111
Allowance for loan losses	838		954
Loans and Leases Receivable, Gross, Carrying Amount	82,164	84,154	85,825
Consumer Installment and Revolving Loans [Member]
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	97		147
Financing Receivable, Collectively Evaluated for Impairment	7,762		8,631
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	97		147
Loans and Leases Receivable, Gross, Carrying Amount	$ 7,762	$ 7,099	$ 8,631

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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