Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Schedule of Equity Method Investments [Line Items]
Fair value investments	$ 0	$ 12,190
Measurement alternative investments	206,555	198,142	$ 175,522	$ 168,732
Total Investments	774,443	664,354
Equity method investments in Funds
Schedule of Equity Method Investments [Line Items]
Equity method investments	567,888	453,636
Other equity method investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 0	$ 386

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

- 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.

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