CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (4,233)	$ 2,342	$ (7,929)	$ 6,142
Change in cumulative foreign currency translation adjustment	(1,453)	(10,647)	(9,676)	(12,354)
Total comprehensive income (loss)	$ (5,686)	$ (8,305)	$ (17,605)	$ (6,212)