v3.24.0.1
Stock-based compensation - Restricted Stock Units and Other Stock Awards (Details) - Unvested restricted stock units - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Number of Shares    
Unvested at beginning of period (in shares) 1,870,791  
Granted (in shares) 4,025,544  
Vested (in shares) (572,825)  
Forfeited (in shares) (1,489,402)  
Unvested at end of period (in shares) 3,834,108 1,870,791
Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value    
Weighted-average remaining contractual term 1 year 4 months 24 days 1 year 6 months
Aggregate intrinsic value (in dollars) $ 8,895 $ 10,963
Weighted-Average Grant Date Fair Value    
Unvested at beginning of period (in dollars per share) $ 8.55  
Granted (in dollars per share) 4.42  
Vested (in dollars per share) 8.83  
Forfeited (in dollars per share) 6.25  
Unvested at end of period (in dollars per share) $ 5.01 $ 8.55