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Acquisitions - Schedule of Consideration (Detail) - AmOne Corp [Member] $ in Thousands	Oct. 01, 2018 USD ($)
Business Acquisition [Line Items]
Cash	$ 23,032
Post-closing adjustments for net assets acquired	138
Post-closing payments, net of imputed interest of $486	7,514
Total	$ 30,684

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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