Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Summary of Changes in Net Carrying Values of Intangible Assets (Details)

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Balance Sheet Components - Summary of Changes in Net Carrying Values of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount $ 84,539 $ 84,580
Accumulated amortization 17,982 15,783
Net amount $ 66,557 $ 68,797
Technology    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 10 years 10 years
Gross carrying amount $ 77,700 $ 77,700
Accumulated amortization 12,626 10,684
Net amount $ 65,074 $ 67,016
Licenses    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 10 years 10 years
Gross carrying amount $ 185 $ 185
Accumulated amortization 176 174
Net amount $ 9 $ 11
Patents And Websites    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 5 years 5 years
Gross carrying amount $ 4,488 $ 4,488
Accumulated amortization 3,197 3,015
Net amount $ 1,291 $ 1,473
Customer Relationships    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 4 years 4 years
Gross carrying amount $ 1,407 $ 1,474
Accumulated amortization 1,378 1,351
Net amount 29 123
Commercials    
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount 759 733
Accumulated amortization 605 559
Net amount $ 154 $ 174
Commercials | Minimum    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 2 years 2 years
Commercials | Maximum    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 3 years 3 years