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Income Per Share - Basic And Diluted Net Income Per Ordinary Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income	$ 4,190	$ 6,466
Denominator:
Weighted average number of common shares - basic	52,933	47,677
Effect of dilutive securities- share-based employee options and awards	1,242	1,829
Weighted average number of common shares - diluted	54,175	49,506
Antidilutive options and awards	510	0
Net income per ordinary share:
Basic income per share	$ 0.08	$ 0.14
Diluted income per share	$ 0.08	$ 0.13

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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