DERIVATIVES AND HEDGING - Fair Value of Freestanding Derivatives (Details) - Not Designated as Hedging Instrument - Oaktree Capital Group Excluding Consolidated Funds - Foreign-currency forward contracts - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Notional	$ 236,682	$ 221,910
Fair Value	1,906	8,608
Liabilities
Notional	(226,612)	(234,353)
Fair Value	$ (1,642)	$ (8,520)