Affiliate Equity - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Affiliate Equity [Line Items]
Distributions paid to affiliate partners	$ 206.5	$ 216.4
Payments to acquire interest in affiliates	60.4	41.7
Issuance of interest in affiliates	6.3	$ 13.4
Other assets	287.8		$ 243.9
Other liabilities	464.5		466.3
Related Party
Affiliate Equity [Line Items]
Other assets	4.5		5.9
Other liabilities	$ 58.9		$ 53.9

[Line Items] for Affiliate Equity [Table]

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