v3.26.1
Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]    
Total revenues $ 275,331 $ 175,958
Management and advisory fees    
Disaggregation of Revenue [Line Items]    
Total revenues 161,367 133,696
Specialized funds    
Disaggregation of Revenue [Line Items]    
Total revenues 108,819 82,745
Customized separate accounts    
Disaggregation of Revenue [Line Items]    
Total revenues 34,690 34,575
Advisory    
Disaggregation of Revenue [Line Items]    
Total revenues 4,555 5,486
Reporting, monitoring, data and analytics    
Disaggregation of Revenue [Line Items]    
Total revenues 9,908 8,394
Distribution management    
Disaggregation of Revenue [Line Items]    
Total revenues 257 975
Fund reimbursement revenue    
Disaggregation of Revenue [Line Items]    
Total revenues 3,138 1,521
Total incentive fees    
Disaggregation of Revenue [Line Items]    
Total revenues 113,964 42,262
Specialized funds    
Disaggregation of Revenue [Line Items]    
Total revenues 107,557 38,209
Customized separate accounts    
Disaggregation of Revenue [Line Items]    
Total revenues $ 6,407 $ 4,053