Related Party Transactions - Schedule of Amounts Due to Affiliates (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Related Party Transaction [Line Items]
Due to affiliates	$ 217.9	$ 203.9
Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates	217.9	203.9
Due to affiliates of Consolidated Funds \| Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates	7.2	6.1
Due to non-consolidated affiliates \| Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates	126.9	102.0
Amounts owed under the tax receivable agreement \| Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates	63.7	71.8
Other \| Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliates	$ 20.1	$ 24.0

Amount of liabilities classified as other.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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