Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (31,847)	$ (32,828)
Other comprehensive income:
Foreign currency translation, net of tax	1,122	655
Other comprehensive income	1,122	655
Comprehensive loss	$ (30,725)	$ (32,173)

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

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