v3.26.1
Stock-Based Compensation - Summary of the Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]        
Number of Options, Outstanding Beginning 38,061,610 40,628,032    
Number of Options granted 5,353,691 432,000   1,231,034
Number of Options exercised (1,161,144) (20,146)    
Number of Options forfeited (2,441,148) (2,530,814)    
Number of Options expired (4,177,316) (447,462)    
Number of Options Outstanding Ending 35,635,693 38,061,610 40,628,032  
Number of Options Vested and exercisable 21,465,199 23,056,967    
Number of Options Unvested 14,170,494 15,004,643    
Weighted-average exercise price per share Outstanding Beginning $ 0.77 $ 1.03    
Weighted-average exercise price per share granted 0.79 0.78    
Weighted-average exercise price per share exercised 0.72 0.97    
Weighted-average exercise price per share forfeited 0.78 1.05    
Weighted-average exercise price per share expired 0.77 1    
Weighted-average exercise price per share Outstanding Ending 0.78 0.77 $ 1.03  
Weighted-average exercise price per share Vested and exercisable 0.77 0.77    
Weighted-average exercise price per share Unvested $ 0.78 $ 0.78    
Weighted-Average Remaining Contractual Term (in years) 7 years 4 months 24 days 6 years 10 months 24 days 8 years 4 months 24 days  
Weighted-Average Remaining Contractual Term (in years) Vested and exercisable 6 years 8 months 12 days 6 years 1 month 6 days    
Weighted-Average Remaining Contractual Term (in years) Unvested 8 years 2 months 12 days 8 years 2 months 12 days    
Aggregate Intrinsic Value Outstanding Beginning $ 298 $ 4,146    
Aggregate Intrinsic Value Outstanding Ending 6,528 298 $ 4,146  
Aggregate Intrinsic Value Vested and exercisable 4,045 298    
Aggregate Intrinsic Value Unvested $ 2,102 $ 0