Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Oct. 31, 2021
Accounting Policies [Abstract]
Accrued performance allocations and incentive fee-related compensation	$ 3,625.3	$ 4,087.8
Realized performance allocation related compensation percentage (percent)				20.00%
Maximum lag period for which the partnership investments in funds are valued	90 days	90 days
Securities transferred to counterparties under repurchase agreements	$ 284.4
Foreign currency transactions gains (losses)	$ 25.2	$ (13.5)	$ 8.4