Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net loss		$ (4,035)	$ (8,390)
Currency translation adjustment—net of tax	[1]	409	(808)
Comprehensive loss		$ (3,626)	$ (9,198)

[1] Net of income tax (provision) benefit of $(271) and $536 for the three months ended March 31, 2016 and 2015, respectively.