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NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator for basic and diluted loss per share
Net loss	$ (19,743)	$ (7,958)	$ (39,609)	$ (11,812)
Denominator
Weighted Average Number of Shares Outstanding, Basic (shares)	40,160	37,181	39,079	37,101
Earnings Per Share, Basic	$ (0.49)	$ (0.21)	$ (1.01)	$ (0.32)

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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