DERIVATIVES AND HEDGING - Fair Value of Freestanding Derivatives (Details) - Not Designated as Hedging Instrument - Oaktree Capital Group Excluding Consolidated Funds - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Foreign-currency forward contracts
Derivative [Line Items]
Assets, Notional	$ 76,474	$ 58,254
Assets, Fair Value	1,148	1,654
Liabilities, Notional	(139,327)	(77,156)
Liabilities, Fair Value	(2,519)	(2,318)
Cross-currency swap
Derivative [Line Items]
Assets, Notional	0	242,450
Assets, Fair Value	0	2,384
Liabilities, Notional	(242,195)	0
Liabilities, Fair Value	$ (2,197)	$ 0

Nominal or face amount used to calculate payments on the derivative asset.

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