Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statements of Comprehensive Income
Net income	$ 19,685	$ 27,148	$ 17,754
Other comprehensive (loss) income
Mark to market of foreign exchange hedges, net of tax (benefit) expense of $(29), $155 and $(129) for 2018, 2017 and 2016, respectively	(99)	309	(223)
Total other comprehensive (loss) income	(99)	309	(223)
Comprehensive income	$ 19,586	$ 27,457	$ 17,531