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Other Balance Sheet Components - Summary of Prepaid Expenses And Other Current Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Other Balance Sheet Components [Abstract]    
Prepaid Expenses $ 40,207 $ 17,606
Other current assets 5,225 8,668
Total prepaid expenses and other current assets $ 45,432 $ 26,274