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Business Combinations - Summary of Unaudited Pro Forma Results (Detail) - Info Trellis Inc [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Revenue	$ 193,574	$ 177,164	$ 158,785
Net income	$ 11,145	$ 6,691	$ 2,388
Earnings per share-diluted	$ 0.99	$ 0.60	$ 0.22

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB
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