REVENUE RECOGNITION - Disaggregation of Revenue Based on Business Segment Results (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financial Advisory
Disaggregation Of Revenue [Line Items]
Net revenue	$ 411,307	$ 352,480	$ 865,401	$ 629,157
Asset Management
Disaggregation Of Revenue [Line Items]
Net revenue	285,487	288,313	580,963	572,357
Asset Management | Management Fees and Other
Disaggregation Of Revenue [Line Items]
Net revenue	281,892	282,335	568,432	560,933
Asset Management | Incentive Fees
Disaggregation Of Revenue [Line Items]
Net revenue	$ 3,595	$ 5,978	$ 12,531	$ 11,424