Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Comprehensive Loss
Net loss attributable to the Company	$ (57,487)	$ (55,690)	$ (88,488)
Other comprehensive income - foreign currency translation adjustment	(551)	(100)
Comprehensive loss	$ (58,038)	$ (55,790)	$ (88,488)