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Allowance For Loan Loss Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Financing Receivable Allowance For Credit Loss Additional Information [Line Items]
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	$ 5,682		$ 4,867
Financing Receivable, Collectively Evaluated for Impairment	462,813		444,282
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	309		0
Allowance for loan losses	5,682	$ 5,618	4,867
Loans and Leases Receivable, Gross, Carrying Amount	463,122	462,488	444,282
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	828		675
Financing Receivable, Collectively Evaluated for Impairment	88,687		56,447
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	828		675
Loans and Leases Receivable, Gross, Carrying Amount	88,687	82,585	56,447
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	551		582
Financing Receivable, Collectively Evaluated for Impairment	30,332		32,302
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	551		582
Loans and Leases Receivable, Gross, Carrying Amount	30,332	33,514	32,302
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	3,259		2,596
Financing Receivable, Collectively Evaluated for Impairment	254,525		256,099
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	206		0
Allowance for loan losses	3,259		2,596
Loans and Leases Receivable, Gross, Carrying Amount	254,731	255,136	256,099
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	951		877
Financing Receivable, Collectively Evaluated for Impairment	82,745		91,010
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	103		0
Allowance for loan losses	951		877
Loans and Leases Receivable, Gross, Carrying Amount	82,848	84,154	91,010
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	93		137
Financing Receivable, Collectively Evaluated for Impairment	6,524		8,424
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0		0
Financing Receivable, Individually Evaluated for Impairment	0		0
Allowance for loan losses	93		137
Loans and Leases Receivable, Gross, Carrying Amount	$ 6,524	$ 7,099	$ 8,424

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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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