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Investments - Consolidated Funds Net Gains (Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Equity Method Investments and Joint Ventures [Abstract] |  |
Net realized gains on investments | $ 327 | $ 0
Net unrealized gains on investments | $ 7,308 | $ 2,362

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