v3.26.1
Investments - Schedule of Investments Held by Consolidated Funds (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Schedule of Equity Method Investments [Line Items]    
Total assets measured at fair value $ 2,035,883 $ 715,335
Percentage of Total Investments as of 100.00% 100.00%
Debt securities    
Schedule of Equity Method Investments [Line Items]    
Total assets measured at fair value $ 12,435 $ 6,395
Percentage of Total Investments as of 1.00% 1.00%
Contributions to investments of Consolidated Funds $ 12,400 $ 16,200
Equity securities    
Schedule of Equity Method Investments [Line Items]    
Total assets measured at fair value $ 82,803 $ 92,096
Percentage of Total Investments as of 4.00% 13.00%
Contributions to investments of Consolidated Funds $ 102,300 $ 108,600
Forward foreign currency contracts    
Schedule of Equity Method Investments [Line Items]    
Total assets measured at fair value $ 1,940,645 $ 616,844
Percentage of Total Investments as of 95.00% 86.00%
Contributions to investments of Consolidated Funds $ 1,815,200 $ 488,000