Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Oct. 31, 2021
Accounting Policies [Abstract]
Accrued performance allocations and incentive fee related compensation	$ 4,255.8	$ 3,625.3
Realized performance allocation related compensation percentage (percent)				20.00%
Securities transferred to counterparties under repurchase agreements	305.1
Foreign currency transactions gains (losses)	$ (13.6)	$ 25.2	$ (13.5)