Consolidation - Schedule of Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Noncontrolling interests	$ (123,097)	$ (120,579)	$ (107,282)	$ (129,450)	$ (115,185)	$ (104,869)
VOEs
Variable Interest Entity [Line Items]
Cash and cash equivalents	2,163		5,179
Investments	50,324		40,678
Other assets	782		403
Notes payable	0		0
Securities purchased payable and other liabilities	(1,967)		(4,271)
Noncontrolling interests	(14,790)		(12,452)
Net interests in CIP	36,512		29,537
CLOs
Variable Interest Entity [Line Items]
Cash and cash equivalents	66,224		125,995
Investments	2,090,912		2,141,626
Other assets	62,465		172,707
Notes payable	(2,021,538)		(2,171,946)
Securities purchased payable and other liabilities	(96,552)		(151,922)
Noncontrolling interests	(1,933)		(4,143)
Net interests in CIP	99,578		112,317
GFs
Variable Interest Entity [Line Items]
Cash and cash equivalents	2,745		3,247
Investments	106,444		88,413
Other assets	1,322		1,261
Notes payable	0		0
Securities purchased payable and other liabilities	(1,506)		(1,840)
Noncontrolling interests	(52,037)		(33,215)
Net interests in CIP	$ 56,968		$ 57,866