Compensation and Benefits - Schedule of Compensation and Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Compensation Related Costs [Abstract]
Base compensation and benefits	$ 149,318	$ 108,395	$ 116,371
Incentive fee compensation	39,144	13,366	12,869
Equity-based compensation	9,950	7,404	7,079
Total compensation and benefits	$ 198,412	$ 129,165	$ 136,319