Compensation and Benefits - Schedule of Compensation and Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Compensation Related Costs [Abstract]
Base compensation and benefits	$ 38,389	$ 43,168	$ 74,739	$ 81,075
Incentive fee compensation	4,423	15,111	9,330	27,501
Equity-based compensation	3,118	2,085	5,963	3,982
Total compensation and benefits	$ 45,930	$ 60,364	$ 90,032	$ 112,558