CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 12,120	$ 5,464	$ 462
Other comprehensive loss:
Foreign currency translation adjustments	0	0	(64)
Total comprehensive income	$ 12,120	$ 5,464	$ 398