Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets, Net - Summary of Amortization Expense Associated with Finite-Lived Intangible Assets (Detail)

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Goodwill and Intangible Assets, Net - Summary of Amortization Expense Associated with Finite-Lived Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Total amortization of expenses $ 4,860 $ 2,976
Cost of Revenue [Member]    
Finite Lived Intangible Assets [Line Items]    
Total amortization of expenses 2,028 920
Selling and Marketing [Member]    
Finite Lived Intangible Assets [Line Items]    
Total amortization of expenses 1,797 967
Research and Development [Member]    
Finite Lived Intangible Assets [Line Items]    
Total amortization of expenses 1,025 1,076
General and Administrative [Member]    
Finite Lived Intangible Assets [Line Items]    
Total amortization of expenses $ 10 $ 13