UNITHOLDERS' CAPITAL - Changes in Company Ownership Interest (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Stockholders' Equity Note [Abstract]
Net income attributable to Oaktree Capital Group, LLC	$ 49,047	$ 19,814	$ 77,125	$ 58,067
Equity reallocation between controlling and non-controlling interests	645	(559)	8,126	45,202
Change from net income attributable to Oaktree Capital Group, LLC and transfers from non-controlling interests	$ 49,692	$ 19,255	$ 85,251	$ 103,269