Consolidation - Schedule of Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Noncontrolling interests	$ (120,579)	$ (107,282)	$ (115,185)	$ (104,869)
VOEs
Variable Interest Entity [Line Items]
Cash and cash equivalents	637	5,179
Investments	47,636	40,678
Other assets	892	403
Notes payable	0	0
Securities purchased payable and other liabilities	(432)	(4,271)
Noncontrolling interests	(12,238)	(12,452)
Net interests in CIP	36,495	29,537
CLOs
Variable Interest Entity [Line Items]
Cash and cash equivalents	78,882	125,995
Investments	2,129,750	2,141,626
Other assets	54,594	172,707
Notes payable	(2,037,390)	(2,171,946)
Securities purchased payable and other liabilities	(116,948)	(151,922)
Noncontrolling interests	(2,532)	(4,143)
Net interests in CIP	106,356	112,317
GFs
Variable Interest Entity [Line Items]
Cash and cash equivalents	4,687	3,247
Investments	100,247	88,413
Other assets	1,495	1,261
Notes payable	0	0
Securities purchased payable and other liabilities	(4,247)	(1,840)
Noncontrolling interests	(49,365)	(33,215)
Net interests in CIP	$ 52,817	$ 57,866