Consolidation - Schedule of Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 12, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Noncontrolling interests	$ (103,191)		$ (123,097)	$ (107,282)	$ (98,111)	$ (129,450)	$ (104,869)
VOEs
Variable Interest Entity [Line Items]
Cash and cash equivalents	4,048			5,179
Investments	52,332			40,678
Other assets	605			403
Notes payable	0			0
Securities purchased payable and other liabilities	(371)			(4,271)
Noncontrolling interests	(14,512)			(12,452)
Net interests in CIP	42,102			29,537
CLOs
Variable Interest Entity [Line Items]
Cash and cash equivalents	85,952			125,995
Investments	2,079,838	$ 29,700		2,141,626
Other assets	50,259			172,707
Notes payable	(2,030,580)			(2,171,946)
Securities purchased payable and other liabilities	(94,366)			(151,922)
Noncontrolling interests	(1,075)			(4,143)
Net interests in CIP	90,028			112,317
GFs
Variable Interest Entity [Line Items]
Cash and cash equivalents	1,680			3,247
Investments	106,548			88,413
Other assets	1,599			1,261
Notes payable	0			0
Securities purchased payable and other liabilities	(1,207)			(1,840)
Noncontrolling interests	(49,973)			(33,215)
Net interests in CIP	$ 58,647			$ 57,866