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Loans, Allowance for Credit Losses and Credit Quality - Schedule of Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | [1] | Dec. 31, 2023
--- | --- | --- | --- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 1,186,929 |  | $ 1,145,835 |  |
Net deferred loan fees | (578) |  | (502) |  |
Allowance for credit losses | (8,808) | [1] | (8,884) | $ (8,670) | $ (8,591)
Total loans, net | $ 1,177,543 |  | $ 1,136,449 |  |
Total loans, gross percent | 100.00% |  | 100.00% |  |
Real Estate Loans | Home Equity Lines of Credit and Loans |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 44,032 |  | $ 45,154 |  |
Allowance for credit losses | $ (119) | [1] | $ (118) | (319) | (321)
Total loans, gross percent | 3.70% |  | 4.00% |  |
Real Estate Loans | One-to Four Family Residential |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 434,371 |  | $ 422,841 |  |
Total loans, gross percent | 36.60% |  | 36.90% |  |
Real Estate Loans | Multi Family |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 371,014 |  | $ 343,970 |  |
Allowance for credit losses | $ (2,632) | [1] | $ (2,422) | (1,283) | (1,190)
Total loans, gross percent | 31.30% |  | 30.00% |  |
Real Estate Loans | Commercial |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 255,066 |  | $ 228,991 |  |
Allowance for credit losses | $ (2,532) | [1] | $ (2,260) | (1,672) | (1,636)
Total loans, gross percent | 21.50% |  | 20.00% |  |
Real Estate Loans | Construction |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 69,684 |  | $ 90,894 |  |
Allowance for credit losses | $ (708) | [1] | $ (1,036) | (1,681) | (1,757)
Total loans, gross percent | 5.90% |  | 7.90% |  |
Real Estate Loans | Commercial Loans |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross |  |  | $ 228,991 |  |
Other Loans | Commercial Loans |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 12,553 |  | 13,844 |  |
Allowance for credit losses | $ (118) | [1] | $ (119) | (203) | (131)
Total loans, gross percent | 1.00% |  | 1.20% |  |
Other Loans | Consumer |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Total loans, gross | $ 209 |  | $ 141 |  |
Allowance for credit losses | $ (1) | [1] | $ (1) | $ (1) | $ (1)
Total loans, gross percent | 0.00% |  | 0.00% |  |
[1] | Balances of accrued interest receivable excluded from amortized cost and the calculation of allowance for credit losses amounted to $3.8 million and $3.5 million as of March 31, 2025 and December 31, 2024.

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