Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 8,685	$ 5,219	$ 33,779	$ 18,595
Other comprehensive income (loss):
Foreign currency translation adjustment	611	(466)	(924)	1,069
Total other comprehensive income (loss)	611	(466)	(924)	1,069
Comprehensive income	$ 9,296	$ 4,753	$ 32,855	$ 19,664