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Equity Plans and Stock-Based Compensation - Option Activity under Stock-Based Compensation Plans (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Shares Underlying Outstanding Options    
Beginning balance 9,339  
Options granted 1,916  
Options exercised (244)  
Options cancelled (58)  
Options cancelled (241)  
Ending balance 10,712 9,339
Vested and expected to vest as of June 30, 2023 10,465  
Exercisable as of June 30, 2023 6,695  
Weighted-Average Exercise Price Per Share    
Beginning balance $ 10.7  
Options granted 11.08  
Options exercised 6.63  
Options cancelled 10.94  
Options cancelled 21.86  
Ending balance 10.61 $ 10.7
Vested and expected to vest as of June 30, 2023 10.59  
Exercisable as of June 30, 2023 $ 10.07  
Weighted-Average Remaining Contractual Term (years)    
Weighted - Average Remaining Contractual Term (years), balance 4 years 8 months 1 day 4 years 7 months 9 days
Vested and expected to vest as of June 30, 2023 4 years 7 months 17 days  
Exercisable as of June 30, 2023 3 years 11 months 1 day  
Aggregate Intrinsic Value    
Balance as of December 31, 2022 $ 16,291  
Balance as of June 30, 2023 31,452 $ 16,291
Vested and expected to vest as of June 30, 2023 31,057  
Exercisable as of June 30, 2023 $ 24,620