REVENUES - Schedule of Incentive Income Revenues by Fund Structure (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 777,950	$ 688,790	$ 1,101,702
Management Fees
Disaggregation of Revenue [Line Items]
Total revenues	0	0	224,141
Closed-end
Disaggregation of Revenue [Line Items]
Total revenues	0	0	7,947
Open-end
Disaggregation of Revenue [Line Items]
Total revenues	0	0	4,254
Sub-advisory fees
Disaggregation of Revenue [Line Items]
Total revenues	0	0	211,940
Incentive income
Disaggregation of Revenue [Line Items]
Total revenues	117,529	267,325	268,452
Closed-end
Disaggregation of Revenue [Line Items]
Total revenues	112,496	257,296	261,226
Evergreen
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,033	$ 10,029	$ 7,226