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Share-based compensation - Additional information (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2021
shares
individual
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2022
USD ($)
shares
component
Sep. 30, 2021
USD ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Number of components of share based compensation plan | component       5  
Share-based compensation | $   $ 1,000 $ 745 $ 3,624 $ 1,662
Number of options granted (in shares)       168,588 115,969
Senior Executive          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Number of options granted (in shares) 63,992        
Number of individuals granted with excess options | individual 6        
PSUs          
Disclosure of terms and conditions of share-based payment arrangement [line items]          
Number of units outstanding (in shares)   0 0 0 0