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v3.23.1

Property, plant, equipment and development costs - Net assets for right in use (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) item | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) item | Dec. 31, 2020 USD ($) item
Property, plant, equipment and development costs |  |  |  |
Book Value Of Assets Under Finance Lease |  | $ 250,500 | $ 270,800 |
Acquisition Of Assets Under Lease |  | 0 | 0 |
Impairment recovery (loss) of long-lived assets |  | 19,874 | (14,910) | $ 2,083
Capitalized finance costs |  | 0 | 0 | 0
Right-of-use assets |  | 12,760 | 5,338 |
Additions to right-of-use assets |  | 11,700 | 3,000 |
Disposal of right of use assets |  | 0 | 0 |
Write-off of stripping activity asset |  | 0 | 6,763 | $ 11,633
Buildings and other constructions |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Right-of-use assets |  | 10,484 | 2,088 |
Transportation units |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Right-of-use assets |  | 1,380 | 2,501 |
Machinery and equipment [Member] |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Right-of-use assets |  | 896 | 749 |
El Brocal |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Goodwill |  | 34,000 | $ 34,000 |
Stripping activity asset of phase 6 written off | item | 1,181,280 |  |  |
Stripping activity asset of phase 9 written off | item |  |  |  | 1,102,117
Write-off of stripping activity asset | $ 6,763,000 |  |  | $ 11,633,000
Stripping activity balance after phase 6 written off | item |  |  | 5,730 |
Stripping activity asset of phase 6 expected to be produced |  |  | $ 118,000 |
Uchucchacua |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  | 146,114 | 196,545 | 244,795
Rio Seco |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  | 50,808 | 18,671 |
Orcopampa |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  | 51,911 | 43,128 | 57,650
La Zanja |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  | 35,011 | 51,044 | 20,736
Julcani |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  |  |  | 40,642
El Brocal |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Recovery amounts |  |  |  | 761,081
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 |
Impairment Of Long Lived Asset [Member] | Julcani |  |  |  |
Property, plant, equipment and development costs |  |  |  |
Provisions |  |  |  | 0
Return of provision for loss of value of inventories for sale of the Mallay unit |  |  |  | $ 2,100

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