REVENUE RECOGNITION - Disaggregation of Revenue Based on Business Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Financial Advisory
Disaggregation Of Revenue [Line Items]
Net revenue	$ 367,359	$ 453,507
Asset Management
Disaggregation Of Revenue [Line Items]
Net revenue	288,100	295,476
Asset Management | Management Fees and Other
Disaggregation Of Revenue [Line Items]
Net revenue	278,192	286,540
Asset Management | Incentive Fees
Disaggregation Of Revenue [Line Items]
Net revenue	$ 9,908	$ 8,936