Related-Party Transactions - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023
Related Party Transaction [Line Items]
Revenues	$ 125,037	$ 135,509
Fees receivable	65,864		$ 47,140
General Partnerships
Related Party Transaction [Line Items]
Fees receivable	46,916		$ 31,684
Management and advisory fees
Related Party Transaction [Line Items]
Revenues	105,407	85,946
Management and advisory fees | General Partnerships
Related Party Transaction [Line Items]
Revenues	80,303	60,711
Incentive fees
Related Party Transaction [Line Items]
Revenues	19,630	49,563
Incentive fees | General Partnerships
Related Party Transaction [Line Items]
Revenues	$ 18,625	$ 49,178