Allowance for Loan Losses - Composition of Allowance for Loans Losses, by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	$ 398	$ 576	$ 462
Allowance for Loans Evaluated Collectively for Impairment	16,325	14,945	15,791
Total Allowance for Loan Losses	16,723	15,521	16,253	$ 11,639
Commercial \| Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	42	112
Allowance for Loans Evaluated Collectively for Impairment	6,116	5,325	5,066
Total Allowance for Loan Losses	6,116	5,367	5,178	3,742
Commercial \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	16	18
Allowance for Loans Evaluated Collectively for Impairment	821	730	644
Total Allowance for Loan Losses	821	746	662	365
Commercial \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	298	381	169
Allowance for Loans Evaluated Collectively for Impairment	2,799	2,449	3,269
Total Allowance for Loan Losses	3,097	2,830	3,438	3,329
Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	0	0
Allowance for Loans Evaluated Collectively for Impairment	162	157	171
Total Allowance for Loan Losses	162	157	171	27
Residential \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	0	0
Allowance for Loans Evaluated Collectively for Impairment	199	148	102
Total Allowance for Loan Losses	199	148	102	25
Residential \| Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	100	137	163
Allowance for Loans Evaluated Collectively for Impairment	2,459	2,596	2,416
Total Allowance for Loan Losses	2,559	2,733	2,579	1,024
Home equity line of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	0	0
Allowance for Loans Evaluated Collectively for Impairment	1,029	925	1,211
Total Allowance for Loan Losses	1,029	925	1,211	1,078
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	0	0
Allowance for Loans Evaluated Collectively for Impairment	1,062	833	778
Total Allowance for Loan Losses	1,062	833	778	867
Unallocated
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loans Evaluated Individually for Impairment	0	0	0
Allowance for Loans Evaluated Collectively for Impairment	1,678	1,782	2,134
Total Allowance for Loan Losses	$ 1,678	$ 1,782	$ 2,134	$ 1,182

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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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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