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)	$ (4,055)	$ 4,486	$ (13,977)	$ 8,953
Foreign currency translation adjustments	(8,255)	(6,882)	(17,717)	(7,458)
Comprehensive income (loss)	$ (12,310)	$ (2,396)	$ (31,694)	$ 1,495