CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net income (loss)	$ 72	$ 9,118	$ (12,674)	$ 42,998
Other comprehensive income (loss):
Foreign currency translation adjustments	2,014	155	6,803	2,613
Comprehensive income (loss)	$ 2,086	$ 9,273	$ (5,871)	$ 45,611