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REVENUE RECOGNITION - Disaggregation of Revenue Based on Business Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financial Advisory
Disaggregation Of Revenue [Line Items]
Net revenue	$ 453,507	$ 277,574
Asset Management
Disaggregation Of Revenue [Line Items]
Net revenue	295,476	284,044
Asset Management | Management Fees and Other
Disaggregation Of Revenue [Line Items]
Net revenue	286,540	278,598
Asset Management | Incentive Fees
Disaggregation Of Revenue [Line Items]
Net revenue	$ 8,936	$ 5,446

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