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Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Mar. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
FinancingReceivableNonaccrualWithAllowance | $ 33 |
Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 15,790 |
Financing Receivable, Nonaccrual | 15,823 | $ 12,261
One-to-four family | Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 3,919 |
FinancingReceivableNonaccrualWithAllowance | 23 |
Financing Receivable, Nonaccrual | 3,942 | 4,001
Multifamily | Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 1,131 |
Financing Receivable, Nonaccrual | 1,131 | 71
Commercial real estate | Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 4,522 |
Financing Receivable, Nonaccrual | 4,522 | 7,190
Business | Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 6,188 |
FinancingReceivableNonaccrualWithAllowance | 10 |
Financing Receivable, Nonaccrual | 6,198 | 998
Consumer | Nonperforming |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Nonaccrual, No Allowance | 30 |
Financing Receivable, Nonaccrual | $ 30 | $ 1

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