v3.26.3
Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Jan. 02, 2026
Sep. 30, 2026
Dec. 31, 2025
Number of Shares      
Beginning balance (in shares)   24,561,750  
Granted (in shares) 3,123,201 10,288,285  
Exercised (in shares)   (1,405,236)  
Forfeited (in shares)   (3,570,713)  
Expired (in shares)   (9,382)  
Ending balance (in shares)   29,864,704 24,561,750
Vested and expected to vest (in shares)   29,864,704  
Exercisable (in shares)   14,828,230  
Weighted Average Exercise Price      
Beginning balance (in USD per share)   $ 1.58  
Granted (in USD per share)   1.39  
Exercised (in USD per share)   0.92  
Forfeited (in USD per share)   1.56  
Expired (in USD per share)   2.94  
Ending balance (in USD per share)   1.55 $ 1.58
Vested and expected to vest (in USD per share)   1.55  
Exercisable (in USD per share)   $ 1.87  
Weighted Average Remaining Contractual Life (Years)      
Weighted average remaining contractual life   7 years 6 months 7 years 7 months 6 days
Weighted average remaining contractual life, vested and expected to vest   7 years 6 months  
Weighted average remaining contractual life, options exercisable   6 years  
Aggregate Intrinsic Value (In Thousands)      
Options outstanding, beginning balance   $ 7,505  
Granted, intrinsic value   4  
Exercised, intrinsic value   913  
Forfeited, intrinsic value   1,162  
Expired, intrinsic value   0  
Options outstanding, ending balance   2,409 $ 7,505
Vested and expected to vest, intrinsic value   2,409  
Options exercisable   $ 1,715