v3.3.0.814

SHARE-BASED COMPENSATION - RSU Activity - Summary of Change (Details) | 9 Months Ended
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Sep. 30, 2015 USD ($) $ / shares shares
Number of Restricted Stock Units [Roll Forward] |
RSUs beginning | 1,258,685
RSUs awarded | 701,527
RSUs released | (394,130)
RSUs forfeited | (53,498)
RSUs ending | 1,512,584
Weighted Average Purchase Price RSUs | $ / shares | $ 0
Weighted Average Remaining Contractual Term (Years) RSUs | 1 year 3 months 18 days
Aggregate Intrinsic Value RSUs | $ | $ 15,367,853
Number of RSUs vested and expected to vest | 1,424,839
Weighted Average Purchase Price of RSUs vested and expected to vest | $ / shares | $ 0
Weighted Average Remaining Contractual Term (Years) of RUSs vested and expected to vest | 1 year 2 months 12 days
Aggregate Intrinsic Value RSUs vested and expected to vest | $ | $ 13,649,545
Number of RSUs exercisable | 81,380
Weighted Average Purchase Price of RUSs exercisable | $ / shares | $ 0
Weighted Average Remaining Contractual Term (Years) of RUSs exercisable | 0 years
Aggregate Intrinsic Value RSUs exercisable | $ | $ 826,821
Weighted average remaining recognition period in years | 2 years
Unamortized compensation expense, net of estimated forfeitures | $ | $ 8,404,214

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