Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 20,518	$ 17,610	$ 18,156
Other comprehensive income (loss):
Cumulative translation adjustment	369	(2,222)	(1,075)
Other comprehensive income (loss)	369	(2,222)	(1,075)
Comprehensive Income	$ 20,887	$ 15,388	$ 17,081