Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,298	$ 3,412
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	55	(2,268)
Comprehensive income	$ 1,353	$ 1,144