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Allowance for Loan Losses - Schedule of Allowance for Loan Losses on Basis of Calculation Methodology (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	$ 17,869	$ 15,319	$ 13,017	$ 12,935
1-4 Family First Lien Residential Mortgages [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	1,937		830
Residential Construction Mortgage [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	700		0
Real Estate [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	5,183		5,298
Lines of Credit [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	2,095		1,061
Other Commercial and Industrial [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	5,081		2,737
Tax Exempt Loans [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	15		4
Home Equity and Junior Liens [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	723		676
Other Consumer [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total	2,135		1,422
Unallocated [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Total			989
Residential Mortgage Loans [Member] | 1-4 Family First Lien Residential Mortgages [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	63		97
Historical loss rate	1,579		85
Qualitative factors	295		648
Total	1,937	714	830	872
Residential Mortgage Loans [Member] | Residential Construction Mortgage [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	0		0
Historical loss rate	537		0
Qualitative factors	163		0
Total	700	0	0	0
Commercial Loans [Member] | Real Estate [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	627		352
Historical loss rate	2,802		2
Qualitative factors	1,754		4,944
Total	5,182	5,881	5,298	5,308
Commercial Loans [Member] | Lines of Credit [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	1,301		48
Historical loss rate	193		26
Qualitative factors	601		987
Total	2,095	3,990	1,061	935
Commercial Loans [Member] | Other Commercial and Industrial [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	3,478		1,353
Historical loss rate	963		96
Qualitative factors	640		1,288
Total	5,081	2,944	2,737	2,762
Commercial Loans [Member] | Tax Exempt Loans [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	0		0
Historical loss rate	4		0
Qualitative factors	11		4
Other			0
Total	15	3	4	3
Consumer Loans [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	5,626		1,964
Historical loss rate	8,675		1,680
Qualitative factors	3,568		8,384
Other			989
Total	17,869		13,017
Consumer Loans [Member] | Home Equity and Junior Liens [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	157		114
Historical loss rate	502		324
Qualitative factors	64		238
Other			0
Total	723	741	676	774
Consumer Loans [Member] | Other Consumer [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved	0		0
Historical loss rate	2,095		1,147
Qualitative factors	40		275
Other			0
Total	$ 2,135	$ 1,046	1,422	$ 1,297
Consumer Loans [Member] | Unallocated [Member]
Allowance For Loan Losses On Basis Of Calculation Methodology Abstract
Specifically reserved			0
Historical loss rate			0
Qualitative factors			0
Other			$ 989

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