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Components of Basic and Diluted Earnings Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income	$ 9,935	$ 3,071
Denominator:
Weighted average shares outstanding-basic	29,677	29,737
Dilutive effect of stock options and grants	672	786
Weighted average shares outstanding-diluted	30,349	30,523

X

- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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