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Acquisitions - Additional Information (Detail) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021 | Apr. 16, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Total at December 31, 2020 | $ 0 | $ 0 |  | $ 0
Avast PLC Family Safety Mobile Software Business | Operating Expense |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total at December 31, 2020 |  |  | $ 12,900,000 |
Avast PLC Family Safety Mobile Software Business | Purchase Price Allocation |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total at December 31, 2020 |  |  | 1,100,000 |
Avast PLC Family Safety Mobile Software Business | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total at December 31, 2020 |  |  | $ 14,000,000 |

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