EQUITY BASED COMPENSATION - Equity Options (Details2)	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Equity Options
Beginning balance (in shares) | shares	620,721
Granted (in shares) | shares	455,130
Forfeited | shares	(98,499)
Ending balance (in shares) | shares	977,352
Weighted-average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 16.50
Granted (in dollars per share) | $ / shares	20.00
Forfeited (in dollars per share) | $ / shares	20.00
Ending balance (in dollars per share) | $ / shares	$ 17.78