v3.26.3
Stock-based Compensation - Summary of Stock Option Activity (Detail) - Equity Incentive Plans [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]    
Shares Outstanding, Beginning Balance | shares 11,566  
Shares, Granted | shares 1,752  
Shares, Exercised | shares (325)  
Shares, Cancelled or forfeited | shares (2,435)  
Shares Outstanding, Ending Balance | shares 10,558 11,566
Shares, Exercisable | shares 6,957  
Shares, Vested and expected to vest | shares 10,558  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Weighted-average Exercise Price Outstanding, Beginning Balance | $ / shares $ 25.26  
Weighted-average Exercise Price, Granted | $ / shares 11.86  
Weighted-average Exercise Price, Exercised | $ / shares 11.84  
Weighted-average Exercise Price, Cancelled or forfeited | $ / shares 33.17  
Weighted-average Exercise Price, Outstanding, Ending Balance | $ / shares 21.62 $ 25.26
Weighted-average Exercise Price, Exercisable | $ / shares 26.93  
Weighted-average Exercise Price, Vested and expected to vest | $ / shares $ 21.62  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted-average Remaining Contractual Life (Years) Outstanding 6 years 2 months 12 days 6 years
Weighted-average Remaining Contractual Life (Years), Exercisable 5 years 1 month 6 days  
Weighted-average Remaining Contractual Life (Years), Vested and expected to vest 6 years 2 months 12 days  
Aggregate Intrinsic Value Outstanding | $ $ 233 $ 17,523
Aggregate Intrinsic Value, Exercisable | $ 6  
Aggregate Intrinsic Value, Vested and expected to vest | $ $ 233