v3.26.1
Stock-based compensation - Restricted Stock (Details) - Restricted stock units
6 Months Ended
Jun. 30, 2026
$ / shares
shares
Nonvested, Number of Shares  
Beginning balance, unvested (in shares) | shares 3,789,634
Granted (in shares) | shares 2,179,050
Vested (in shares) | shares (934,358)
Forfeitures (in shares) | shares (529,658)
Ending balance, unvested (in shares) | shares 4,504,668
Weighted Average Grant Date Fair Value  
Beginning balance unvested (in usd per share) | $ / shares $ 3.32
Granted (in usd per share) | $ / shares 3.02
Vested (in usd per share) | $ / shares 3.49
Forfeitures (in usd per share) | $ / shares 2.91
Ending balance unvested (in usd per share) | $ / shares $ 3.18