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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 + Details
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