v3.26.1
Fair Value Measurements - Narrative (Details) - USD ($)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Earn-out (up to)   $ 75,000,000.0
Contingent consideration paid   5,800,000
Changes in assets fair value hierarchy levels $ 0 0
Investments of Consolidated Funds 715,335,000 415,011,000
Assets measured at net asset value    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Investments of Consolidated Funds 621,439,000 350,481,000
Level III    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Investments of Consolidated Funds $ 93,896,000 $ 64,530,000