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Revenues - Schedule of Disaggregation of Revenue by Product Offering (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Total carried interest allocation	$ 226,362	$ (128,502)
Management and advisory fees, net
Disaggregation of Revenue [Line Items]
Revenues	78,061	63,500
Focused commingled funds
Disaggregation of Revenue [Line Items]
Revenues	24,150	19,853
SMAs
Disaggregation of Revenue [Line Items]
Revenues	40,605	30,722
Advisory and other services
Disaggregation of Revenue [Line Items]
Revenues	13,255	12,863
Fund reimbursement revenues
Disaggregation of Revenue [Line Items]
Revenues	51	62
Total incentive fees
Disaggregation of Revenue [Line Items]
Revenues	4,182	3,589
SMAs
Disaggregation of Revenue [Line Items]
Revenues	4,112	3,589
Focused commingled funds
Disaggregation of Revenue [Line Items]
Revenues	70	0
SMAs
Disaggregation of Revenue [Line Items]
Total carried interest allocation	172,793	(105,768)
Focused commingled funds
Disaggregation of Revenue [Line Items]
Total carried interest allocation	$ 53,569	$ (22,734)

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