Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 26,907	$ 21,220	$ 17,934
Other comprehensive income (loss):
Foreign currency translation adjustment, net	(1,604)	2,468	(234)
Unrealized gain (loss) on short-term marketable securities	(306)	14	127
Total other comprehensive income (loss)	(1,910)	2,482	(107)
Comprehensive income	$ 24,997	$ 23,702	$ 17,827