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Balance Sheets Components - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Property Plant And Equipment [Line Items]      
Property and equipment, gross     $ 33,121
Accumulated depreciation and amortization     24,341
Depreciation and amortization $ 1,207 $ 1,160  
Computer, equipment and software      
Property Plant And Equipment [Line Items]      
Property and equipment, finance leases 5,300    
Property and equipment, gross     28,227
Accumulated amortization, finance lease $ 2,600    
Assets Held under Capital Leases      
Property Plant And Equipment [Line Items]      
Property and equipment, gross     5,300
Accumulated depreciation and amortization     $ 2,200