Investments - Investments in Consolidated Funds Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) collateralized_Loan_obligation	Dec. 31, 2022 USD ($)
Schedule of Investments [Line Items]
Number of new collateralized loan obligations | collateralized_Loan_obligation	2
Variable Interest Entity, Primary Beneficiary | Equity securities
Schedule of Investments [Line Items]
Investments measured at net asset value | $	$ 322.0	$ 377.4