Balance Sheet Components - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Cash And Cash Equivalents [Abstract]
Cash and cash equivalents	$ 274,015	$ 104,749	$ 107,658
Restricted cash included in other assets	300		300
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statement of cash flows	$ 274,315	$ 105,049	$ 107,958	$ 104,355