Loans and Allowance for Credit Losses - Additional Information (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Mar. 31, 2026 |
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| Financing Receivable, Past Due [Line Items] | ||
| Loans receivable from related parties | $ 446,513 | $ 448,406 |
| Loans excludes allowance for off-balance sheet | 215 | 215 |
| Directors and Officers | ||
| Financing Receivable, Past Due [Line Items] | ||
| Loans receivable from related parties | 1,700 | 1,700 |
| Federal Home Loan Mortgage Corp | ||
| Financing Receivable, Past Due [Line Items] | ||
| Loans receivable from related parties | $ 827 | $ 861 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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