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Loans - Loan Portfolio (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 1,516,772 | $ 1,476,761 | $ 1,344,208
Percentage of loans receivable, by type | 100.00% | 100.00% | 100.00%
Commercial | Real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 469,974 | $ 442,121 | $ 382,753
Percentage of loans receivable, by type | 31.00% | 29.90% | 28.50%
Commercial | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 53,394 | $ 56,565 | $ 43,913
Percentage of loans receivable, by type | 3.50% | 3.80% | 3.30%
Commercial | Other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 297,488 | $ 285,015 | $ 237,896
Percentage of loans receivable, by type | 19.60% | 19.30% | 17.70%
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 49,476 | $ 43,783 | $ 43,537
Percentage of loans receivable, by type | 3.30% | 3.00% | 3.20%
Residential | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 24,796 | $ 21,600 | $ 15,202
Percentage of loans receivable, by type | 1.60% | 1.50% | 1.10%
Residential | Term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 520,317 | $ 522,070 | $ 500,971
Percentage of loans receivable, by type | 34.30% | 35.30% | 37.30%
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 77,210 | $ 79,750 | $ 90,674
Percentage of loans receivable, by type | 5.10% | 5.40% | 6.70%
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 24,117 | $ 25,857 | $ 29,262
Percentage of loans receivable, by type | 1.60% | 1.80% | 2.20%

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