Condensed Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 24,710	$ 16,454
Other comprehensive income:
Foreign currency translation gains (losses), net	(941)	2,229
Total comprehensive income	$ 23,769	$ 18,683