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NET INCOME (LOSS) PER SHARE - Additional Information (Details) shares in Millions	12 Months Ended
	Dec. 31, 2018 shares
Earnings Per Share [Abstract]
Potential dilutive ordinary shares	1.5

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- References

No definition available.

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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