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Investments - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]    
Distributed carried interest subject to clawback $ 75.6  
Bank syndicated loans 232.7  
Company sponsored funds    
Schedule of Equity Method Investments [Line Items]    
Unfunded lending commitment 126.5  
Principal investments    
Schedule of Equity Method Investments [Line Items]    
Equity method investments 567.3 $ 410.5
Other equity investment    
Schedule of Equity Method Investments [Line Items]    
Equity method investments 103.7 $ 115.0
Secured Debt    
Schedule of Equity Method Investments [Line Items]    
Warehoused loans 172.5  
Current And Former Employees    
Schedule of Equity Method Investments [Line Items]    
Distributed carried interest subject to clawback $ 58.9