CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income (loss)	$ (5,398)	$ (10,968)	$ 27,612
Foreign currency translation adjustment	(11,808)	(6,559)	(7,792)
Unrealized losses on investments, net of tax of $0	0	(3)	0
Total other comprehensive loss	(11,808)	(6,562)	(7,792)
Comprehensive income (loss)	$ (17,206)	$ (17,530)	$ 19,820