CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net loss from continuing operations	$ (20,081)	$ (14,066)	$ (74,324)	$ (50,626)
Other comprehensive (loss) income:
Holding gains (losses) arising during period, net of tax	67	113	(387)	205
Total comprehensive loss	$ (20,014)	$ (13,953)	$ (74,711)	$ (50,421)

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

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