CONSOLIDATED COMPREHENSIVE INCOME (LOSS) STATEMENTS - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 22,659	$ 4,684	$ 22,072	$ 4,803
Other comprehensive income:
Change in foreign currency translation adjustment	(5,058)	608	(1,412)	1,991
Comprehensive income	$ 17,601	$ 5,292	$ 20,660	$ 6,794

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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