Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Schedule of Equity Method Investments [Line Items]
Other investments	$ 22,767	$ 17,381
Investments valued under the measurement alternative	155,902	109,821
Total Investments	483,320	368,836
Equity method investments in Partnerships
Schedule of Equity Method Investments [Line Items]
Equity method investments	303,149	240,337
Other equity method investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 1,502	$ 1,297