Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 17,934	$ 22,943	$ 17,177
Other comprehensive income (loss):
Foreign currency translation adjustment, net	(234)	(1,626)	2,294
Unrealized gain (loss) on short-term marketable securities	127	15
Total other comprehensive income (loss)	(107)	(1,611)	2,294
Comprehensive income	$ 17,827	$ 21,332	$ 19,471