Consolidation - Schedule of Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Noncontrolling interests	$ (107,282)	$ (104,869)	$ (113,718)	$ (138,965)
VOEs
Variable Interest Entity [Line Items]
Cash and cash equivalents	5,179	1,223
Investments	40,678	30,985
Other assets	403	174
Notes payable	0	0
Securities purchased payable and other liabilities	(4,271)	(740)
Noncontrolling interests	(12,452)	(7,316)
Net interests in CIP	29,537	24,326
CLOs
Variable Interest Entity [Line Items]
Cash and cash equivalents	125,995	98,101
Investments	2,141,626	1,972,342
Other assets	172,707	41,985
Notes payable	(2,171,946)	(1,922,243)
Securities purchased payable and other liabilities	(151,922)	(89,167)
Noncontrolling interests	(4,143)	(4,363)
Net interests in CIP	112,317	96,655
GFs
Variable Interest Entity [Line Items]
Cash and cash equivalents	3,247	2,088
Investments	88,413	79,386
Other assets	1,261	1,076
Notes payable	0	0
Securities purchased payable and other liabilities	(1,840)	(616)
Noncontrolling interests	(33,215)	(23,327)
Net interests in CIP	$ 57,866	$ 58,607