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Business Combinations - Summary of Unaudited Supplemental Pro Forma Information (Detail) - Smart RG and Sumitomo [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) $ / shares
Business Acquisition [Line Items]
Pro forma revenue | $	$ 129,584
Pro forma net loss | $	$ (23,400)
Pro forma loss per share - basic | $ / shares	$ (0.49)
Pro forma loss per share - diluted | $ / shares	$ (0.49)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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+ References

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