EQUITY-BASED COMPENSATION - Summary of Unvested Equity-Based Awards and Changes (Detail)	6 Months Ended
	Jun. 30, 2016 $ / shares shares
Number of Units
Granted (in shares)	629,667
Class A Units
Number of Units
Beginning balance (in shares)	2,376,340
Granted (in shares)	787,103
Vested (in shares)	(922,746)
Forfeited (in shares)	(41,301)
Ending balance (in shares)	2,199,396
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 38.18
Granted (in dollars per share) | $ / shares	46.93
Vested (in dollars per share) | $ / shares	37.45
Forfeited (in dollars per share) | $ / shares	37.66
Ending balance (in dollars per share) | $ / shares	$ 41.63
OCGH Units
Number of Units
Beginning balance (in shares)	2,265,967
Granted (in shares)	629,667
Vested (in shares)	(312,663)
Forfeited (in shares)	(110,932)
Ending balance (in shares)	2,472,039
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 40.70
Granted (in dollars per share) | $ / shares	37.56
Vested (in dollars per share) | $ / shares	39.10
Forfeited (in dollars per share) | $ / shares	39.93
Ending balance (in dollars per share) | $ / shares	$ 40.14