v3.25.3
Variable Interest Entities - Schedule of Assets and Liabilities of Funds that are VIEs (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Assets    
Total assets $ 751.4 $ 703.2
Liabilities    
Total liabilities 640.1 616.1
VIEs, Consolidated Funds    
Assets    
Investments 181.7 154.0
Other assets of consolidated Funds 56.2 5.3
Total assets 237.9 159.3
Liabilities    
Liabilities of consolidated Funds 55.1 21.2
Total liabilities $ 55.1 $ 21.2