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Property, plant, equipment and development costs - Net assets for right in use (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Property, plant, equipment and development costs |  |  |
Book value of assets held under finance leases | $ 231,600 | $ 250,500 |
Acquisitions of assets under lease agreements | 0 | 0 |
Impairment recovery (loss) of long-lived assets |  | 19,874 | $ (14,910)
Capitalized finance costs | 0 | 0 | 0
Right-of-use assets | 11,756 | 12,760 |
Additions to right-of-use assets | 1,900 | 11,700 |
Disposal of right of use assets | 0 | 0 |
Write-off of stripping activity asset | 0 | 0 | 6,763
Buildings and other constructions |  |  |
Property, plant, equipment and development costs |  |  |
Right-of-use assets | 9,236 | 10,484 |
Transportation units |  |  |
Property, plant, equipment and development costs |  |  |
Right-of-use assets | 1,117 | 1,380 |
Machinery and equipment [Member] |  |  |
Property, plant, equipment and development costs |  |  |
Right-of-use assets | $ 1,403 | 896 |
Impairment Of Long Lived Asset [Member] | Rio Seco |  |  |
Property, plant, equipment and development costs |  |  |
Impairment recovery (loss) of long-lived assets |  | $ 19,900 |
Impairment loss |  |  | 19,900
Impairment Of Long Lived Asset [Member] | La Zanja |  |  |
Property, plant, equipment and development costs |  |  |
Return of provision for loss of value of inventories for sale of the Mallay unit |  |  | 5,000
Reversal of impairment loss recognised in profit or loss, property, plant and equipment |  |  | $ 14,900

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