Earnings (loss) per common share - Schedule of calculation of diluted net loss per share allocable to common stockholders (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	513	749	513	749
Stock options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	257	470	257	470
RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		128		128
PSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	155	48	155	48
Warrant [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	101	103	101	103