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Loans - Past-due Status of Loans by Class (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | $ 1,914,674 | $ 1,647,649 | $ 1,476,761
90 Plus Days And Accruing | 241 | 32 |
30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 625 | 1,548 |
60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 121 | 543 |
90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 713 | 2,254 |
All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 1,459 | 4,345 |
Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 1,913,215 | 1,643,304 |
Commercial | Real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 699,340 | 576,198 | 442,121
90 Plus Days And Accruing | 0 | 0 |
Commercial | Real estate | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 249 |
Commercial | Real estate | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 3 | 0 |
Commercial | Real estate | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 190 | 191 |
Commercial | Real estate | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 193 | 440 |
Commercial | Real estate | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 699,147 | 575,758 |
Commercial | Construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 93,907 | 79,365 | 56,565
90 Plus Days And Accruing | 0 | 0 |
Commercial | Construction | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 12 |
Commercial | Construction | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Commercial | Construction | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 12 |
Commercial | Construction | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 24 |
Commercial | Construction | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 93,907 | 79,341 |
Commercial | Other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 319,359 | 264,570 | 285,015
90 Plus Days And Accruing | 34 | 0 |
Commercial | Other | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 118 | 30 |
Commercial | Other | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 23 | 23 |
Commercial | Other | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 85 | 104 |
Commercial | Other | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 226 | 157 |
Commercial | Other | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 319,133 | 264,413 |
Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 40,619 | 48,362 | 43,783
90 Plus Days And Accruing | 0 | 0 |
Municipal | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Municipal | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Municipal | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Municipal | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Municipal | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 40,619 | 48,362 |
Residential | Construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 49,907 | 31,763 | 21,600
90 Plus Days And Accruing | 0 | 0 |
Residential | Construction | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Residential | Construction | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Residential | Construction | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Residential | Construction | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 0 | 0 |
Residential | Construction | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 49,907 | 31,763 |
Residential | Term |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 613,919 | 550,783 | 522,070
90 Plus Days And Accruing | 118 | 0 |
Residential | Term | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 135 | 348 |
Residential | Term | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 33 | 169 |
Residential | Term | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 284 | 1,780 |
Residential | Term | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 452 | 2,297 |
Residential | Term | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 613,467 | 548,486 |
Home equity line of credit |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 76,560 | 73,632 | 79,750
90 Plus Days And Accruing | 86 | 0 |
Home equity line of credit | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 241 | 741 |
Home equity line of credit | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 29 | 159 |
Home equity line of credit | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 151 | 135 |
Home equity line of credit | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 421 | 1,035 |
Home equity line of credit | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 76,139 | 72,597 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 21,063 | 22,976 | $ 25,857
90 Plus Days And Accruing | 3 | 32 |
Consumer | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 131 | 168 |
Consumer | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 33 | 192 |
Consumer | 90+ Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 3 | 32 |
Consumer | All Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | 167 | 392 |
Consumer | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans | $ 20,896 | $ 22,584 |

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