CONSOLIDATION - Schedule of Interest in VIEs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Variable Interest Entity [Line Items]
Assets of consolidated VIEs	$ 27,264,941		$ 27,264,941		$ 24,884,308
Liabilities of consolidated VIEs	18,425,558		18,425,558		17,485,922
Non-Consolidated Variable Interest Entities
Variable Interest Entity [Line Items]
Maximum exposure to loss attributable to the company's investment in VIEs	533,673		533,673		386,927
Consolidated VIEs
Variable Interest Entity [Line Items]
Maximum exposure to loss attributable to the company's investment in VIEs	941,526		941,526		791,133
Consolidated VIEs | Consolidated Funds
Variable Interest Entity [Line Items]
Assets of consolidated VIEs	12,826,334		12,826,334		13,698,611
Liabilities of consolidated VIEs	9,540,223		9,540,223		$ 10,879,735
Net income attributable to non-controlling interests related to consolidated VIEs	$ 2,298	$ 100,969	$ 55,274	$ 159,325