Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Summary of identifiable intangible asset acquired in the RAI Transaction (Detail)

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Acquisitions - Summary of identifiable intangible asset acquired in the RAI Transaction (Detail) - Technology-Based Intangible Assets [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
Acquired Indefinite-lived Intangible Assets [Line Items]  
Provisional Fair Value $ 1,890
Provisional Useful Life 5 days