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Loans - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | $ 5,602 | $ 6,721
Commercial | Real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 242 | 543
Commercial | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 27 | 89
Commercial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 1,068 | 1,481
Municipal |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 0 | 0
Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 0 | 0
Residential | Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 3,808 | 3,593
Home equity line of credit |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | 457 | 1,015
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans | $ 0 | $ 0

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