v3.26.1
Stock-based compensation - Narrative (Details)
$ / shares in Units, $ in Millions
 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Stock options granted (in shares) 652,220
Stock options granted, weighted average exercise price (in dollars per share) | $ / shares $ 3.80
Stock options granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 2.98
Stock Options  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options outstanding (in shares) 10,769,256
Unrecognized compensation costs | $ $ 10.0
Expected to be recognized over a weighted average period 1 year 10 months 24 days
Performance-Accelerated Restricted Stock Units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Unrecognized compensation costs | $ $ 2.4
Expected to be recognized over a weighted average period 2 years 7 months 6 days
Number of shares authorized (in shares) 1,588,140
Units vested (in shares) 0
Share-based compensation, number of common stock issuable per RSU vested (in shares) 1
Shares outstanding (in shares) 1,434,780
Restricted stock units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Unrecognized compensation costs | $ $ 9.8
Expected to be recognized over a weighted average period 2 years 6 months
Units vested (in shares) 712,681
Granted (in shares) 2,829,710
Share-based compensation, number of common stock issuable per RSU vested (in shares) 1
Number of shares retained to cover statutory minimum withholding taxes (in shares) 105,756
Shares outstanding (in shares) 4,172,111
Non-Qualified Stock Options  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Stock options granted (in shares) 419,320
Stock options granted, weighted average exercise price (in dollars per share) | $ / shares $ 2.50
Stock options granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 2.00
Options outstanding (in shares) 1,099,060
Unrecognized compensation costs | $ $ 1.9
Expected to be recognized over a weighted average period 3 years