Consolidation - Schedule of Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Variable Interest Entity [Line Items]
Noncontrolling interests	$ (205,321)	$ (193,068)	$ (102,934)	$ (123,097)	$ (120,579)	$ (107,282)
VOEs
Variable Interest Entity [Line Items]
Cash and cash equivalents	5,013		2,284
Investments	78,576		75,877
Other assets	821		700
Notes payable	0		0
Securities purchased payable and other liabilities	(781)		(363)
Noncontrolling interests	(27,773)		(24,244)
Net interests in CIP	55,856		54,254
CLOs
Variable Interest Entity [Line Items]
Cash and cash equivalents	103,659		86,491
Investments	2,411,729		2,450,177
Other assets	22,541		38,721
Notes payable	(2,311,391)		(2,359,828)
Securities purchased payable and other liabilities	(106,079)		(96,935)
Noncontrolling interests	(1,076)		(802)
Net interests in CIP	119,383		117,824
GFs
Variable Interest Entity [Line Items]
Cash and cash equivalents	2,037		2,928
Investments	98,146		107,298
Other assets	1,244		1,199
Notes payable	0		0
Securities purchased payable and other liabilities	(1,582)		(919)
Noncontrolling interests	(50,208)		(51,908)
Net interests in CIP	$ 49,637		$ 58,598