Investment Securities - Additional Information (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
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| Debt Securities, Available-for-Sale [Line Items] | |||
| Investment securities, Amortized cost | $ 67,093,000 | $ 65,957,000 | |
| Available for sale, Fair Value | 63,465,000 | 62,534,000 | |
| Sales of available-for-sale securities | 0 | $ 0 | |
| Credit losses on debt securities | 0 | ||
| Provision for credit losses on securities | 0 | ||
| Public, Consumer, and Commercial Deposits | |||
| Debt Securities, Available-for-Sale [Line Items] | |||
| Investment securities, Amortized cost | 23,400,000 | 500,000 | |
| Available for sale, Fair Value | $ 22,000,000 | $ 21,200,000 | |
| X | ||||||||||
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), not intended to be sold and not more likely than not will be required to sell before recovery of amortized cost basis, with previously recorded allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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/2003/role/disclosureRef
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- Details
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