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Acquisitions - Additional Information (Detail) $ in Millions | 6 Months Ended | 12 Months Ended
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Jun. 30, 2021 acquisition | Dec. 31, 2020 USD ($)
Business Combinations [Abstract] |  |
Number of acquisitions during the period | acquisition | 0 |
Total consideration transferred |  | $ 9.6
Goodwill acquired during period net of assets acquired |  | $ 2.8

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