Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 1,282	$ 7,222
Foreign currency translation adjustments (net of tax benefit (expense) of $70 and $(499))	(1,921)	(666)
Comprehensive income (loss)	$ (639)	$ 6,556