CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 1,863	$ 1,789
Foreign currency translation gain (loss) (net of tax)	912	(75)
Net unrealized gains on investment securities (net of tax)	0	12
Total comprehensive income	$ 2,775	$ 1,726