v3.26.1
Shareholders' equity - Schedule of changes in share capital (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Disclosure of classes of share capital [line items]        
Common shares (in shares) 2,477,672 2,477,672 2,477,672 2,477,672
Equity $ 1,011,414 $ 950,385 $ 895,047 $ 842,033
Total        
Disclosure of classes of share capital [line items]        
Equity 380,478 380,478 380,478 380,478
Share capital        
Disclosure of classes of share capital [line items]        
Equity 21,198 21,198 21,198 21,198
Share premium        
Disclosure of classes of share capital [line items]        
Equity $ 359,280 $ 359,280 $ 359,280 $ 359,280