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Non-controlling interests - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of subsidiaries [line items]    
(Loss) earnings from discontinued operations attributable to non-controlling interest $ (72,837) $ 1,813
(Loss) earnings attributable to non-controlling interests (73,029) 314
Carrying value (3,200) 69,557
Deva Gold SA ("Deva")    
Disclosure of subsidiaries [line items]    
(Loss) earnings from discontinued operations attributable to non-controlling interest (72,837)  
Carrying value 5,543 67,294
Non-Material Subsidiaries    
Disclosure of subsidiaries [line items]    
(Loss) earnings attributable to non-controlling interests (192) (1,499)
Carrying value $ 2,343 $ 2,263