CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 6,895	$ (6,647)	$ 9,384	$ (7,312)
Accumulated other comprehensive income (loss)
Foreign currency translation adjustment	(651)	513	(215)	(2,480)
Total accumulated other comprehensive income (loss)	(651)	513	(215)	(2,480)
Total comprehensive income (loss)	$ 6,244	$ (6,134)	$ 9,169	$ (9,792)