v3.26.1
Summary of Significant Accounting Policies - Narrative (Details)
12 Months Ended
Jan. 01, 2026
USD ($)
Jan. 01, 2025
USD ($)
Mar. 31, 2026
USD ($)
segment
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property and equipment impairment     $ 0 $ 0 $ 0
Foreign currency translation gains (losses)     $ 4,800,000 (400,000) (1,400,000)
Finite-lived intangible assets, estimated useful lives     10 years    
Impairment charges, finite-lived intangible assets     $ 0 0 0
Impairment of goodwill $ 0 $ 0      
Incentive fees as percentage of profits     15.00%    
Cash-based incentive awards granted, value     $ 700,000 2,000,000.0  
Cash-based compensation, term     4 years    
Cash-based incentive awards, expense     $ 600,000 42,000 0
Deferred compensation liability, expense related to changes in fair value     $ 100,000 0 0
Percentage of carried interest allocation revenue awarded to employees as part of the long-term incentive compensation plan     50.00%    
Nonoperating loss     $ (132,199,000) $ (44,784,000) $ (23,625,000)
Percentage of total net cash savings due to exchanging limited partners     85.00%    
Percentage of total net cash savings retained     15.00%    
Number of operating segments | segment     1    
Number of reportable segments | segment     1    
Private Wealth Funds          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Nonoperating loss     $ 32,500,000    
Minimum          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property and equipment, estimated useful lives     5 years    
Carried interest allocation as percentage of cumulative fund or account performance     5.00%    
Revenue, carried interest allocation, minimum return levels required     5.00%    
Legacy carried interest allocation as percentage of cumulative fund or account performance     5.00%    
Maximum          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property and equipment, estimated useful lives     7 years    
Carried interest allocation as percentage of cumulative fund or account performance     20.00%    
Revenue, carried interest allocation, minimum return levels required     10.00%    
Legacy carried interest allocation as percentage of cumulative fund or account performance     20.00%