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Stockholders' equity - Summary of Restricted Stock Units (Details) - Restricted Stock Units (RSUs) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Class Of Stock [Line Items]    
Number of Outstanding Shares, Beginning Balance 975,046 1,920,037
Number of Shares, Granted 0 0
Number of Shares, Vested (446,260) (944,991)
Number of Shares, forfeited (18,747)  
Number of Outstanding Shares, Ending Balance 510,039 975,046
Weighted Average Grant Date Fair Value, Beginning Balance $ 18.00 $ 0
Weighted Average Grant Date Fair Value, Granted 0 18
Weighted Average Grant Date Fair Value, Vested 18.00 0
Weighted Average Grant Date Fair Value, Ending Balance $ 18.00 $ 18.00