SHARE-BASED COMPENSATION (Details 2) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance, beginning of year (in shares) | shares	1,454,860
Granted (in shares) | shares	525,091
Exercise of options (in shares) | shares	(36,566)
Canceled (in shares) | shares	(10,505)
Balance, end of year (in shares) | shares	1,932,880
Options exercisable, end of year (in shares) | shares	861,598
Vested and unvested expected to vest options outstanding (in shares) | shares	1,932,880
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Balance, beginning of year (in dollars per share) | $ / shares	$ 14.00
Granted (in dollars per share) | $ / shares	24.21
Exercised (in dollars per share) | $ / shares	14.91
Canceled (in dollars per share) | $ / shares	24.35
Balance, end of year (in dollars per share) | $ / shares	16.71
Options exercisable, end of year (in dollars per share) | $ / shares	13.82
Vested and unvested expected to vest options outstanding, Weighted-Average Exercise Price (in dollars per share) | $ / shares	$ 16.71
Options outstanding, Weighted-Average Remaining Contractual Term (years)	7 years 1 month
Options exercisable, Weighted-Average Remaining Contractual Term (years)	6 years 1 month
Options vested and expected to vest, Weighted-Average Remaining Contractual Term (years)	7 years 1 month
Options outstanding, Aggregate Intrinsic Value | $	$ 28,930
Options exercisable, Aggregate Intrinsic Value | $	15,320
Options vested and expected to vest, Aggregate Intrinsic Value | $	$ 28,930