Balance Sheets Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid expenses	$ 3,078	$ 2,398
Other current assets	1,812	2,078
Total prepaid expenses and other current assets	$ 4,890	$ 4,476