Investments - Schedule of Equity Method Income (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Schedule of Equity Method Investments [Line Items] | |||||
| Investment income | $ 40,819 | $ 15,096 | $ 7,452 | ||
| Legacy Greenspring investment income (loss) | [1] | 4,945 | (1,185) | (9,087) | |
| Total equity method income | 892,769 | 389,452 | 99,517 | ||
| Carried Interest Allocations | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Total carried interest allocations | 708,294 | 301,200 | 176,309 | ||
| Legacy Greenspring Carried Interest Allocations | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Total carried interest allocations | $ 138,711 | $ 74,341 | $ (75,157) | ||
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- Definition Legacy Investment Income No definition available.
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- Definition Revenue Not From Contract With Customer, Income Loss From Equity Method Investments And Investment Income No definition available.
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue that is not accounted for under Topic 606. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2003/role/disclosureRef
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