CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 6,638	$ 5,278	$ 10,900	$ 9,898
Other comprehensive (loss) income
Mark to market of foreign exchange hedges, net of tax benefit (expense) of $17 and $27 for the three months and six months ended June 30, 2018, respectively, and $(143) and $(161) for the three months and six months ended June 30, 2017, respectively	(55)	248	(89)	279
Total other comprehensive (loss) income	(55)	248	(89)	279
Comprehensive income	$ 6,583	$ 5,526	$ 10,811	$ 10,177