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Stock-based compensation - Schedule of Fair Value Assumptions for Stock Options Granted (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free interest rate 1.63% 0.00%
Risk-free interest rate, minimum 1.37% 0.42%
Risk-free interest rate, maximum 4.23% 1.27%
Expected term (in years) 6 months  
Expected volatility 81.00% 0.00%
Expected Volatility, minimum 86.00% 92.00%
Expected Volatility, maximum 94.00% 100.00%
Expected dividend yield 0.00% 0.00%
Estimated fair value of common stock $ 17.30 $ 0
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 5 years 6 months 6 years
Estimated fair value of common stock $ 17.50 $ 20.54
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 6 years  
Estimated fair value of common stock $ 46.56 $ 46.68