Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity method investments and debt securities	$ 1,993,182	$ 1,051,518
Other investments	416,614	46,769
Investments	2,476,093	1,237,363
CLO subordinated notes
Schedule of Equity Method Investments [Line Items]
Debt securities	50,927	50,927
Loans Receivable
Schedule of Equity Method Investments [Line Items]
Debt securities	0	133,307
Marketable equity securities
Schedule of Equity Method Investments [Line Items]
Marketable equity securities	66,297	139,076
Principal investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	1,194,417	410,511
Carried interest allocation
Schedule of Equity Method Investments [Line Items]
Equity method investments	676,421	341,749
Other equity investments
Schedule of Equity Method Investments [Line Items]
Equity method investments	71,417	115,024
Investment Management | Investment Management
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 726,100	$ 393,400