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Affiliate Equity - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Affiliate Equity [Line Items]      
Distributions paid to affiliate partners $ 271.3 $ 341.9 $ 334.3
Affiliate equity purchases 67.4 61.5 150.5
Affiliate equity issuances 13.4 15.2 117.7
Other assets 243.9 264.6  
Other liabilities 466.3 461.7  
Co-Investor      
Affiliate Equity [Line Items]      
Affiliate equity issuances     $ 99.6
Related Party      
Affiliate Equity [Line Items]      
Other assets 5.9 11.6  
Other liabilities $ 53.9 $ 24.5