Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income	$ 37,260	$ 32,406	$ 30,047
Other comprehensive income (loss):
Cumulative translation adjustment	(190)	707	(1,281)
Other comprehensive income (loss)	(190)	707	(1,281)
Comprehensive income	$ 37,070	$ 33,113	$ 28,766