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Balance Sheet Components - Summary of Other Long-term Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Accrual for reimbursement claims and settlements, net of current portion $ 7,053 $ 12,205
Other 1,614 654
Total $ 8,667 $ 12,859