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Intangible assets - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 07, 2022
Dec. 31, 2022
Disclosure of detailed information about intangible assets [line items]    
Acquisitions through business combinations   $ 16,582
FSO Asia and Africa | Customer contracts    
Disclosure of detailed information about intangible assets [line items]    
Acquisitions through business combinations $ 16,600  
TI Asia Ltd    
Disclosure of detailed information about intangible assets [line items]    
Percentage of voting equity interests acquired 50.00%  
TI Africa Ltd    
Disclosure of detailed information about intangible assets [line items]    
Percentage of voting equity interests acquired 50.00%