Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 3,997	$ 6,387	$ 8,063	$ 9,433
Foreign currency translation adjustment	19	53	(152)	(29)
Total comprehensive income	$ 4,016	$ 6,440	$ 7,911	$ 9,404