Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets, Net - Summary of Finite-Lived Intangible Assets Resulting from Business Acquisitions and Other Purchases (Detail)

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Goodwill and Intangible Assets, Net - Summary of Finite-Lived Intangible Assets Resulting from Business Acquisitions and Other Purchases (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 5 years 9 months 18 days  
Gross Carrying Amount $ 109,782 $ 23,782
Accumulated Amortization (16,878) (13,038)
Net Carrying Amount $ 92,904 10,744
Software and Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 8 months 12 days  
Gross Carrying Amount $ 3,582 3,582
Accumulated Amortization (3,477) (3,357)
Net Carrying Amount $ 105 225
Licensed Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 0 years  
Gross Carrying Amount $ 500 500
Accumulated Amortization $ (500) (375)
Net Carrying Amount   125
Developed Technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 3 years 7 months 6 days  
Gross Carrying Amount $ 25,600 9,600
Accumulated Amortization (6,087) (4,480)
Net Carrying Amount $ 19,513 5,120
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 6 years 6 months  
Gross Carrying Amount $ 77,300 9,300
Accumulated Amortization (6,157) (4,340)
Net Carrying Amount $ 71,143 4,960
Noncompete Agreements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 10 months 24 days  
Gross Carrying Amount $ 800 800
Accumulated Amortization (640) (486)
Net Carrying Amount $ 160 $ 314
Trade Name [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Remaining Useful Life (in years) 5 years  
Gross Carrying Amount $ 2,000  
Accumulated Amortization (17)  
Net Carrying Amount $ 1,983