Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Research and development expenses	$ 4,546	$ 11,224
Insurance related expenses	4,607	4,661
Value added tax receivable	1,745	1,422
Other	1,288	993
Prepaid expenses and other current assets	$ 12,186	$ 18,300