CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 23,977	$ 19,305	$ 70,630	$ 50,424
Other comprehensive income
Foreign currency translation adjustments, net of taxes	(1,286)	(64)	(1,146)	(1,445)
Comprehensive income	$ 22,691	$ 19,241	$ 69,484	$ 48,979

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

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