XML 182 R122.htm IDEA: XBRL DOCUMENT v3.24.1
Derivative financial instruments - Disclosure of movement of derivative assets (liabilities) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Foreign currency collars    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) $ 0 $ 0
Change in fair value 1,346 0
Settlements (8) 0
Closing derivative asset (liability) 1,338 0
Euro forward contracts    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value 1,478 0
Closing derivative asset (liability) 1,478 0
Gold collars    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value (3,026) 0
Closing derivative asset (liability) (3,026) 0
Gold commodity swaps    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value (2,966) 0
Closing derivative asset (liability) (2,966) 0
Copper commodity swaps    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value (1,032) 0
Closing derivative asset (liability) (1,032) 0
Interest rate swaps    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value (11,182) 0
Settlements (423) 0
Closing derivative asset (liability) (11,605) 0
Foreign currency forward contracts    
Movement of Derivative Asset (Liability) [Roll Forward]    
Opening derivative asset (liability) 0 0
Change in fair value 6,229 0
Closing derivative asset (liability) $ 6,229 $ 0