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Earnings (loss) per common share - Additional Information (Details)
shares in Thousands
3 Months Ended 9 Months Ended
May 06, 2022
Sep. 30, 2022
shares
Sep. 30, 2021
shares
Sep. 30, 2022
shares
Sep. 30, 2021
shares
Earnings Per Share [Line Items]          
Reverse stock split, conversion ratio 0.02     0.02  
Reverse stock split, description outstanding shares of our Common Stock were split at a ratio of 50-for-1     50-for-1 reverse stock split  
Not potentially dilutive securities, Outstanding PSUs   1,009 989   989
PSUs [Member]          
Earnings Per Share [Line Items]          
Not potentially dilutive securities, Outstanding PSUs   100 194 58 194