Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (12,884)	$ 13,938	$ 1,837
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(528)	(1,438)	2,290
Comprehensive income (loss)	$ (13,412)	$ 12,500	$ 4,127