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
 6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount $ 84,499 $ 84,282
Accumulated amortization 11,246 6,749
Net amount $ 73,253 $ 77,533
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 6,799 2,914
Net amount $ 70,901 $ 74,786
Licenses    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 10 years 10 years
Gross carrying amount $ 185 $ 185
Accumulated amortization 169 165
Net amount $ 16 $ 20
Patents And Websites    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 5 years 5 years
Gross carrying amount $ 4,490 $ 4,274
Accumulated amortization 2,658 2,308
Net amount $ 1,832 $ 1,966
Customer Relationships    
Finite Lived Intangible Assets [Line Items]    
Average estimated useful lives (in years) 4 years 4 years
Gross carrying amount $ 1,347 $ 1,346
Accumulated amortization 1,067 897
Net amount 280 449
Commercials    
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount 777 777
Accumulated amortization 553 465
Net amount $ 224 $ 312
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