Other Balance Sheet Components - Summary of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Other Balance Sheet Components [Abstract]
Prepaid expenses	$ 60,148	$ 27,671
Other current assets	12,777	4,420
Total prepaid expenses and other current assets	$ 72,925	$ 32,091