XML 141 R125.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Intangible assets and goodwill - Movements in Identifiable Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance $ 167,303 $ 214,254
Additions 408 1,504
Amortization for the year (10,601) (13,845)
Impairment losses recognized in income for the year (9) (34,857)
Other increases / decreases for foreign currency exchange rates 3 (159)
Other increases (decreases) (272) 406
Subtotal (10,471) (46,951)
Closing balance 156,832 167,303
Indefinite | Goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 967 34,596
Additions 0 0
Impairment losses recognized in income for the year (9) (33,629)
Other increases / decreases for foreign currency exchange rates 0 0
Other increases (decreases) 0 0
Subtotal (9) (33,629)
Closing balance 958 967
Historical cost    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 238,600  
Closing balance 238,730 238,600
Historical cost | Indefinite | Goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 4,501  
Closing balance 4,492 4,501
Accumulated amortization    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (71,297)  
Closing balance (81,898) (71,297)
Accumulated amortization | Indefinite | Goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (3,534)  
Closing balance (3,534) (3,534)
IT programs | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 3,249 3,447
Additions 197 349
Amortization for the year (1,451) (1,039)
Impairment losses recognized in income for the year 0 0
Other increases / decreases for foreign currency exchange rates 6 (4)
Other increases (decreases) 1,189 496
Subtotal (59) (198)
Closing balance 3,190 3,249
IT programs | Historical cost | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 36,457  
Closing balance 37,849 36,457
IT programs | Accumulated amortization | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (33,208)  
Closing balance (34,659) (33,208)
Mining rights | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 140,873 149,532
Additions 196 1,141
Amortization for the year (4,684) (8,482)
Impairment losses recognized in income for the year 0 (1,228)
Other increases / decreases for foreign currency exchange rates 0 0
Other increases (decreases) (1,461) (90)
Subtotal (5,949) (8,659)
Closing balance 134,924 140,873
Mining rights | Historical cost | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 162,716  
Closing balance 161,451 162,716
Mining rights | Accumulated amortization | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (21,843)  
Closing balance (26,527) (21,843)
Water rights and rights of way | Indefinite    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 4,909 4,909
Additions 0 0
Impairment losses recognized in income for the year 0 0
Other increases / decreases for foreign currency exchange rates 0 0
Other increases (decreases) 0 0
Subtotal 0 0
Closing balance 4,909 4,909
Water rights and rights of way | Historical cost | Indefinite    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 7,420  
Closing balance 7,420 7,420
Water rights and rights of way | Accumulated amortization | Indefinite    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (2,511)  
Closing balance (2,511) (2,511)
Water rights | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 11,369 15,158
Additions 0 0
Amortization for the year (3,789) (3,789)
Impairment losses recognized in income for the year 0 0
Other increases / decreases for foreign currency exchange rates 0 0
Other increases (decreases) 0 0
Subtotal (3,789) (3,789)
Closing balance 7,580 11,369
Water rights | Historical cost | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 18,000  
Closing balance 18,000 18,000
Water rights | Accumulated amortization | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (6,631)  
Closing balance (10,420) (6,631)
Intellectual property | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 5,850 6,481
Additions 0 0
Amortization for the year (649) (476)
Impairment losses recognized in income for the year 0 0
Other increases / decreases for foreign currency exchange rates 0 (155)
Other increases (decreases) 0 0
Subtotal (649) (631)
Closing balance 5,201 5,850
Intellectual property | Historical cost | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 7,215  
Closing balance 7,215 7,215
Intellectual property | Accumulated amortization | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (1,365)  
Closing balance (2,014) (1,365)
Other intangible assets | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 86 131
Additions 15 14
Amortization for the year (28) (59)
Impairment losses recognized in income for the year 0 0
Other increases / decreases for foreign currency exchange rates (3) 0
Other increases (decreases) 0 0
Subtotal (16) (45)
Closing balance 70 86
Other intangible assets | Historical cost | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance 2,291  
Closing balance 2,303 2,291
Other intangible assets | Accumulated amortization | Intangible assets other than goodwill    
Disclosure Of Intangible Assets And Goodwill [Line Items]    
Opening balance (2,205)  
Closing balance $ (2,233) $ (2,205)