Consolidated Statements of Comprehensive Income and Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (106,658)	$ (48,902)
Other comprehensive (loss) income:
Foreign currency translation adjustment	54	(12)
Comprehensive loss	$ (106,604)	$ (48,914)

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

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