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Balance Sheet Components - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Accrued compensation $ 6,256 $ 13,352
Accrued and other current liabilities 2,994 1,492
Accrued liabilities $ 9,250 $ 14,844