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Loss per common share - Schedule of Outstanding Securities (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 524 934
Stock options [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 103 316
RSUs [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 177 339
PSUs [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 19 176
Warrant [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 225 103