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Revenues - Schedule of Disaggregation of Revenue by Product Offering (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Management and advisory fees, net
Disaggregation of Revenue [Line Items]
Revenues	$ 178,015	$ 138,115
SMAs
Disaggregation of Revenue [Line Items]
Revenues	57,376	55,744
Focused commingled funds
Disaggregation of Revenue [Line Items]
Revenues	104,435	67,006
Advisory and other services
Disaggregation of Revenue [Line Items]
Revenues	14,769	14,101
Fund reimbursement revenues
Disaggregation of Revenue [Line Items]
Revenues	1,435	1,264
BDC Income Based Incentive Fees
Disaggregation of Revenue [Line Items]
Revenues	1,100	0
Total incentive fees
Disaggregation of Revenue [Line Items]
Revenues	841	6
SMAs
Disaggregation of Revenue [Line Items]
Revenues	800	6
Focused commingled funds
Disaggregation of Revenue [Line Items]
Revenues	41	0
Carried interest allocations
Disaggregation of Revenue [Line Items]
Total carried interest allocations	16,634	63,837
Carried interest allocations, SMAs
Disaggregation of Revenue [Line Items]
Total carried interest allocations	(2,809)	40,136
Carried interest allocation, focused commingled funds
Disaggregation of Revenue [Line Items]
Total carried interest allocations	19,443	23,701
Legacy Greenspring carried interest allocations
Disaggregation of Revenue [Line Items]
Total carried interest allocations	(9,089)	(23,947)
Legacy carried interest allocation, SMAs
Disaggregation of Revenue [Line Items]
Total carried interest allocations	199	0
Legacy carried interest allocation, focused comingled funds
Disaggregation of Revenue [Line Items]
Total carried interest allocations	(9,288)	(23,947)
Legacy gross carried interest allocation, focused comingled funds
Disaggregation of Revenue [Line Items]
Total carried interest allocations	$ 6,600	$ 900

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