CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 23,007	$ 23,163	$ 21,432
Other comprehensive income, net of reclassification adjustments:
Foreign currency translation adjustment	(1,224)	(273)	(72)
Total comprehensive income	$ 21,783	$ 22,890	$ 21,360