v3.26.1
Share-based compensation - Stock options activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2026
Number of options  
Outstanding, beginning (in shares) 10,618,602
Forfeited (in shares) (496,948)
Cancelled under the Option Exchange Program (in shares) (3,305,683)
Expired (in shares) (205,230)
Exercised (in shares) (1,298,324)
Granted (in shares) 199,660
Outstanding, ending (in shares) 5,512,077
Options exercisable (in shares) 2,619,008
Weighted average exercise price  
Outstanding, beginning (in dollars per share) $ 8.658
Forfeited (in dollars per share) 4.744
Cancelled under the Option Exchange Program (in dollars per share) 15.912
Expired (in dollars per share) 26.850
Exercised (in dollars per share) 0.988
Granted (in dollars per share) 9.365
Outstanding, ending (in dollars per share) 5.814
Options exercisable (in dollars per share) $ 7.275
Additional information  
Weighted average remaining contractual life 7 years 3 months 7 days
Aggregate intrinsic value $ 32,061
Exercisable, Weighted average remaining contractual term 5 years 7 months 20 days
Exercisable, Aggregate intrinsic value $ 13,521