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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
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Shares Underlying Outstanding Options    
Beginning balance (in shares) 11,142  
Options granted (in shares) 1,602  
Options exercised (in shares) (670)  
Options forfeited (unvested) (in shares) (54)  
Options expired (vested) (in shares) (586)  
Ending balance (in shares) 11,434 11,142
Vested and expected to vest, end of period (in shares) 11,171  
Exercisable, end of period (in share) 7,942  
Weighted-Average Exercise Price Per Share    
Beginning balance (in USD per share) $ 11.15  
Options granted (in USD per share) 12.72  
Options exercised (in USD per share) 0  
Options forfeited (unvested) (in USD per share) 12.11  
Options expired (vested) (in USD per share) 16.36  
Ending balance (in USD per share) 11.19 $ 11.15
Vested and expected to vest, end of period (in USD per share) 11.15  
Exercisable, end of period (in USD per share) $ 10.67  
Weighted-Average Remaining Contractual Term (years)    
Weighted - Average Remaining Contractual Term (years), balance 4 years 2 months 12 days 3 years 9 months 14 days
Vested and expected to vest, end of period 4 years 1 month 17 days  
Exercisable, end of period 3 years 3 months 18 days  
Aggregate Intrinsic Value    
Beginning balance $ 24,210  
Ending balance 24,326 $ 24,210
Vested and expected to vest, end of period 24,227  
Exercisable, end of period $ 22,124