CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 68,921	$ 5,135	$ 129,535
Other comprehensive income (loss):
Foreign currency translation adjustments, net of income taxes	(15,261)	16,744	(22,524)
Total other comprehensive income (loss):	(15,261)	16,744	(22,524)
Comprehensive income	$ 53,660	$ 21,879	$ 107,011

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

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