CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 189	$ (766)	$ (2,832)	$ (1,179)
Change in cumulative foreign currency translation adjustment	4,960	(1,259)	6,778	2,747
Total comprehensive income (loss)	$ 5,149	$ (2,025)	$ 3,946	$ 1,568