v3.26.3
Related Party Transactions - Schedule of Amounts Due from Affiliates and Other Receivables (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net $ 1,015.9 $ 834.8
Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net 1,015.9 834.8
Accrued incentive fees | Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net 55.5 53.6
Unbilled receivable for giveback obligations from current and former employees | Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net 51.7 24.2
Notes receivable and accrued interest from affiliates | Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net 51.2 34.0
Management fee receivable, net | Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net 251.9 246.0
Reimbursable expenses and other receivables from unconsolidated funds and affiliates, net | Affiliated Entity    
Related Party Transaction [Line Items]    
Due from affiliates and other receivables, net $ 605.6 $ 477.0