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Loans - Schedule of Composition of Net Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | $ 1,102,766 |  | $ 1,155,736 |  |  |
ACL on loans | (8,307) | $ (8,110) | (7,680) | $ (6,893) | $ (6,645) | $ (6,566)
Net deferred loan costs | 2,156 |  | 2,162 |  |  |
Net loans | 1,096,615 |  | 1,150,218 |  |  |
Residential real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
ACL on loans | (3,135) | (3,066) | (3,492) | (3,240) | (3,092) | (2,520)
Residential real estate | Non-revolving residential real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 444,231 |  | 445,425 |  |  |
ACL on loans | (2,905) | (2,866) | (3,212) | (2,967) | (2,845) | (2,361)
Residential real estate | Revolving residential real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 25,455 |  | 21,884 |  |  |
ACL on loans | (230) | (200) | (280) | (273) | (247) | (159)
Construction real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
ACL on loans | (1,238) | (1,018) | (753) | (632) | (513) | (1,198)
Construction real estate | Commercial construction real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 57,381 |  | 54,985 |  |  |
ACL on loans | (1,019) | (822) | (651) | (544) | (420) | (1,035)
Construction real estate | Residential construction real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 62,193 |  | 51,202 |  |  |
ACL on loans | (219) | (196) | (102) | (88) | (93) | (163)
Commercial real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
ACL on loans | (3,458) | (3,513) | (2,978) | (2,676) | (2,662) | (2,426)
Commercial real estate | Non-residential commercial real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 329,414 |  | 330,010 |  |  |
ACL on loans | (3,200) | (3,255) | (2,766) | (2,469) | (2,454) | (2,182)
Commercial real estate | Multi-family residential real estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 106,113 |  | 104,328 |  |  |
ACL on loans | (258) | (258) | (212) | (207) | (208) | (244)
Commercial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 34,116 |  | 35,175 |  |  |
ACL on loans | (439) | (427) | (377) | (312) | (307) | (352)
Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 2,468 |  | 2,523 |  |  |
ACL on loans | (6) | (7) | (6) | (7) | (6) | (5)
Municipal |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Gross loans | 41,395 |  | 110,204 |  |  |
ACL on loans | $ (31) | $ (79) | $ (74) | $ (26) | $ (65) | $ (65)

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