CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income		$ 35,676	$ 10,492	$ 99,584	$ 61,323
Other comprehensive income:
Foreign currency translation gains (losses), net		(8,730)	3,415	(8,679)	(7,140)
Reclassification of foreign currency translation loss to income	[1]	0	(3,572)	0	(4,412)
Total comprehensive income		$ 26,946	$ 10,335	$ 90,905	$ 49,771

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