Loans, Additional Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructurings that subsequently defaulted within 12 months of the restructuring date		$ 0	$ 0
Mortgage loans secured by residential real estate that were in the process of foreclosure		0			$ 0
Loans and Leases Receivable, Net of Deferred Income		1,458,404			1,401,278
Loans and Leases Receivable, Deferred Income		$ 796			$ 980
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		0
Loans and Leases Receivable, Ratio of Nonperforming Loans to All Loans		0.01%			0.03%
Loans And Leases Receivable, Ratio Of Allowance For Credit Losses To Non-Accrual Loans		9316.45%			1445.88%
Allowance for loan losses	(5,644)	$ (7,932)	(5,644)	$ (7,956)	$ (5,646)	$ (5,833)	$ (5,506)
Off-Balance-Sheet, Credit Loss, Liability					0
Retained earnings		(143,211)			(139,249)
Deferred Tax Assets, Net					6,639
Schedule of Nonaccrual, Past Due, and Accruing Restructured Loans [Line Items]
Financing Receivable, Accrued Interest, Writeoff		3
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses					(2,196)
Off-Balance-Sheet, Credit Loss, Liability					571
Retained earnings					1,922
Deferred Tax Assets, Net					511
Federal Home Loan Mortgage Corporation and Other Investors [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid principal balance of loans serviced for others		146,500			148,400
Commercial and industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		125,882			120,327
Allowance for loan losses	(1,254)	$ (1,067)	(1,254)	(1,065)	(1,300)	(1,287)	(1,095)
Commercial and industrial [Member] | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Maturity Period		1 year
Commercial and industrial [Member] | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Maturity Period		10 years
Commercial, secured by real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses	(3,661)	$ (4,953)	(3,661)	(5,023)	(3,609)	(3,825)	(3,607)
Commercial, secured by real estate [Member] | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Adjustable rate period		1 year
Amortization period		5 years
Balloon payments period		1 year
Loan to appraised value ratio		75.00%
Commercial, secured by real estate [Member] | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Adjustable rate period		10 years
Amortization period		25 years
Balloon payments period		10 years
Loan to appraised value ratio		85.00%
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Home equity line of credit draw period		5 years
Allowance for loan losses	(632)	$ (1,447)	(632)	(1,326)	(624)	(625)	(665)
Schedule of Nonaccrual, Past Due, and Accruing Restructured Loans [Line Items]
Financing Receivable, Nonaccrual, Number Newly Classified During Period		2
Residential real estate [Member] | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Adjustable rate period		1 year
Amortization period		5 years
Loan to appraised value ratio		80.00%
Residential real estate [Member] | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Adjustable rate period		15 years
Amortization period		30 years
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income		$ 27,186			28,414
Allowance for loan losses	$ (72)	$ (460)	$ (72)	$ (535)	(86)	$ (67)	$ (105)
Consumer [Member] | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortization period		72 months
Paycheck Protection Program Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, before Fees, Gross		$ 27			$ 40