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Balance Sheet Components - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]    
Clinical trials and research and development costs $ 13,671 $ 12,070
Personnel-related costs 5,768 10,298
Manufacturing costs 4,667 7,773
Accrued expenses 5,372 3,117
Total accrued liabilities $ 29,478 $ 33,258