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Loans - Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019
--- | --- | --- | ---
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 1,436,646 | $ 1,297,075 | $ 1,263,459
Percentage of loans receivable, by type | 100.00% | 100.00% | 100.00%
Commercial | Real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 407,128 | $ 372,810 | $ 368,165
Percentage of loans receivable, by type | 28.30% | 28.70% | 29.10%
Commercial | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 52,038 | $ 38,084 | $ 37,242
Percentage of loans receivable, by type | 3.60% | 3.00% | 2.90%
Commercial | Other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 309,297 | $ 218,773 | $ 201,859
Percentage of loans receivable, by type | 21.50% | 16.90% | 16.00%
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 44,110 | $ 41,288 | $ 36,522
Percentage of loans receivable, by type | 3.10% | 3.20% | 2.90%
Residential | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 16,101 | $ 14,813 | $ 14,118
Percentage of loans receivable, by type | 1.20% | 1.20% | 1.10%
Residential | Term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 497,667 | $ 492,455 | $ 485,490
Percentage of loans receivable, by type | 34.60% | 37.90% | 38.40%
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 82,982 | $ 92,349 | $ 94,144
Percentage of loans receivable, by type | 5.80% | 7.10% | 7.50%
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 27,323 | $ 26,503 | $ 25,919
Percentage of loans receivable, by type | 1.90% | 2.00% | 2.10%

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