Condensed Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income		$ 39,198	$ 34,377	$ 63,908	$ 50,831
Other comprehensive income:
Foreign currency translation gains (losses), net		992	(12,784)	51	(10,555)
Reclassification of foreign currency translation loss to income	[1]	0	(840)	0	(840)
Total comprehensive income		$ 40,190	$ 20,753	$ 63,959	$ 39,436

[1] For the three and six months ended June 30, 2018, represents reclassification of cumulative foreign currency translation adjustment of manufacturing subsidiaries.