Goodwill and Other Intangibles - Schedule of Goodwill and Intangible Assets (Details) - USD ($) |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Goodwill [Roll Forward] | |||||||
| Beginning balance | $ 9,914,000 | [1] | $ 13,606,000 | ||||
| Impairment | 0 | (3,692,000) | |||||
| Ending balance | 9,914,000 | 9,914,000 | [1] | ||||
| Intangible assets | 0 | 3,100,000 | [1] | ||||
| Impairment | (3,100,000) | ||||||
| Total goodwill and intangible assets | 9,914,000 | 13,014,000 | $ 16,706,000 | ||||
| Total goodwill and intangible assets | $ (3,100,000) | (3,692,000) | |||||
| Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration] | Total goodwill and intangible assets | ||||||
| Insurance license | |||||||
| Goodwill [Roll Forward] | |||||||
| Impairment | $ 0 | (3,700,000) | |||||
| Intangible assets | 0 | 3,100,000 | $ 3,100,000 | ||||
| Impairment | (3,100,000) | 0 | |||||
| Ben Custody | |||||||
| Goodwill [Roll Forward] | |||||||
| Beginning balance | 7,469,000 | 10,896,000 | |||||
| Impairment | 0 | (3,427,000) | |||||
| Ending balance | 7,469,000 | 7,469,000 | |||||
| Ben Markets | |||||||
| Goodwill [Roll Forward] | |||||||
| Beginning balance | 2,445,000 | 2,710,000 | |||||
| Impairment | 0 | (265,000) | |||||
| Ending balance | $ 2,445,000 | $ 2,445,000 | |||||
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| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. No definition available.
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Indicates line item in statement of income or comprehensive income that includes impairment of intangible asset. Includes, but is not limited to, finite-lived and indefinite-lived intangible assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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