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Loans Receivable and ACL (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 597,896 |
Loans and Leases Receivable, Allowance |  |  | (5,229) | $ (5,624)
Loans and Leases Receivable, Net Amount |  |  | $ 592,667 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 622,878 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | 5,871 |  |
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss |  | $ 617,007 |  |
Percentage of Loan Type |  | 100.00% | 100.00% |
One-to-four family |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 65,808 |
Loans and Leases Receivable, Allowance |  |  | $ (716) | (731)
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 82,787 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 2,005 |  |
Percentage of Loan Type |  | 13.30% | 11.00% |
Multifamily |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 179,117 |
Loans and Leases Receivable, Allowance |  |  | $ (1,109) | (1,114)
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 177,203 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 720 |  |
Percentage of Loan Type |  | 28.40% | 30.00% |
Commercial real estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 178,424 |
Loans and Leases Receivable, Allowance |  |  | $ (1,814) | (1,157)
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 175,384 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 1,222 |  |
Percentage of Loan Type |  | 28.20% | 29.80% |
Construction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 0 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 2,203 |  |
Percentage of Loan Type |  | 0.40% | 0.00% |
Business |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income | [1] |  | $ 166,908 |
Loans and Leases Receivable, Allowance |  |  | $ (1,139) | (2,497)
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1] | $ 169,602 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 1,415 |  |
Percentage of Loan Type | [1] | 27.20% | 27.90% |
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans and Leases Receivable, Net of Deferred Income | [2] |  | $ 7,639 |
Loans and Leases Receivable, Allowance |  |  | $ (449) | $ (123)
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2] | $ 15,699 |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 450 |  |
Percentage of Loan Type | [2] | 2.50% | 1.30% |
[1] | 1) Includes business overdrafts of $73 thousand and $11 thousand as of March 31, 2024 and 2023, respectively
[2] | (2) Includes consumer overdrafts of $15 thousand and $19 thousand as of March 31, 2024 and 2023, respectively

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