Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 6,609	$ 8,528	$ 15,583	$ 15,554
Other comprehensive (loss) income:
Foreign currency translation adjustment	(78)	66	(1,052)	237
Comprehensive income	$ 6,531	$ 8,594	$ 14,531	$ 15,791