v3.26.1
Stock-based Compensation - Summary of Stock Options Activity (Details)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]    
Number of Options Outstanding, Beginning Balance | shares 13,025,261  
Number of Options, Granted | shares 13,971,473  
Number of Options, Exercised | shares (542,484)  
Number of Options, Forfeited | shares (828,533)  
Number of Options, Expired | shares (8,602)  
Number of Options Outstanding, Ending Balance | shares 25,617,115 13,025,261
Number of Options, Exercisable | shares 9,700,842  
Number of Options, Vested and Expected to Vest | shares 25,617,115  
Weighted average exercise price, Beginning Balance | $ / shares $ 2.74  
Weighted average exercise price, Granted | $ / shares 8.62  
Weighted average exercise price, Exercised | $ / shares 2.27  
Weighted average exercise price, Forfeited | $ / shares 3.49  
Weighted average exercise price, Expired | $ / shares 2.35  
Weighted average exercise price, Ending Balance | $ / shares 5.93 $ 2.74
Weighted average exercise price, Exercisable | $ / shares 3.84  
Weighted average exercise price, Vested and Expected to Vest | $ / shares $ 5.93  
Weighted average remaining contractual term, Balance 9 years 1 month 9 days 8 years 11 months 23 days
Weighted average remaining contractual term, Exercisable 8 years 6 months 18 days  
Weighted average remaining contractual term, Vested and expected to vest 9 years 1 month 9 days  
Aggregate Intrinsic value, Balance | $ $ 458,989 $ 39,810
Aggregate Intrinsic value, Exercisable | $ 194,144  
Aggregate Intrinsic value, Vested and expected to vest | $ $ 458,989