Condensed Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income		$ 10,492	$ 1,629	$ 61,323	$ 34,599
Other comprehensive income:
Foreign currency translation gains (losses), net		3,415	4,124	(7,140)	11,589
Reclassification of foreign currency translation loss to income	[1]	(3,572)	0	(4,412)	0
Total comprehensive income		$ 10,335	$ 5,753	$ 49,771	$ 46,188

[1] Reclassification of cumulative foreign currency translation adjustment upon closure of manufacturing operations.