CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 26,986	$ 36,322	$ 33,255
Other comprehensive loss, net:
Unrealized loss on available-for-sale marketable securities, net of tax	(19)	(85)	(142)
Foreign currency translation adjustments	(3,569)	(2,810)	(4,103)
Total other comprehensive loss, net	(3,588)	(2,895)	(4,245)
Comprehensive income	$ 23,398	$ 33,427	$ 29,010