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Loans Receivable and ACL (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 626,864 |  | $ 622,878 |  |  |
Loans and Leases Receivable, Allowance |  |  |  | (5,871) |  |  |
Loans and Leases Receivable, Net Amount |  |  |  | 617,007 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 626,865 |  | 622,878 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | 5,955 |  | 5,871 |  | $ 5,858 | $ 5,229
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss |  | $ 620,910 |  | $ 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 |  | $ 79,874 |  | $ 82,787 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 79,874 |  | 82,787 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 2,050 |  | $ 2,005 |  | 2,063 | 716
Percentage of Loan Type |  | 12.70% |  | 13.30% |  |  |
Multifamily |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 175,995 |  | $ 177,203 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 175,995 |  | 177,203 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 762 |  | $ 720 |  | 713 | 1,109
Percentage of Loan Type |  | 28.10% |  | 28.40% |  |  |
Commercial real estate |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 179,449 |  | $ 175,384 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 179,450 |  | 175,384 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 1,234 |  | $ 1,222 |  | 1,264 | 1,814
Percentage of Loan Type |  | 28.60% |  | 28.20% |  |  |
Construction |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 3,122 |  | $ 2,203 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 3,122 |  | 2,203 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 3 |  | $ 1 |  | 0 | 0
Percentage of Loan Type |  | 0.50% |  | 0.40% |  |  |
Business |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 172,502 |  | $ 169,602 | [1] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 172,503 | [1] | 169,602 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 1,295 |  | $ 1,415 |  | 1,404 | 1,139
Percentage of Loan Type | [1] | 27.50% |  | 27.20% |  |  |
Consumer |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Loans and Leases Receivable, Net of Deferred Income |  | $ 15,922 |  | $ 15,699 | [2] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 15,921 | [2] | 15,699 |  |  |
Allowance for Credit Loss, Excluding Accrued Interest |  | $ 553 |  | $ 450 |  | $ 414 | $ 449
Percentage of Loan Type | [2] | 2.60% |  | 2.50% |  |  |
[1] | (1) Includes PPP loans and business overdrafts
[2] | 2) Includes personal loans and consumer overdrafts

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