Intangible Assets and Goodwill - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 104,000,000.0	$ 103,900,000
Impairment of intangible assets	0	4,000,000	$ 0
Intangible asset amortization expense	$ 135,000,000	103,900,000	$ 10,200,000
Impairment, intangible asset, finite-lived, statement of income or comprehensive income	General, administrative and other expenses
Global Private Equity
Goodwill [Line Items]
Goodwill	$ 91,000,000
Global Credit
Goodwill [Line Items]
Goodwill	5,500,000	5,500,000
Global Investment Solutions
Goodwill [Line Items]
Goodwill	$ 7,500,000	$ 7,300,000