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Subsidiaries with material non-controlling interest (Details) - USD ($) $ in Thousands | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | $ 154,091 | $ 170,205 | $ 172,397 | $ 170,205
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | 385 | 1,271 | (14,621) |
Sociedad Minera El Brocal S.A.A |  |  |  |
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | 154,175 | 148,792 |  | 148,792
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | 239 | 4,322 | (12,895) |
Minera La Zanja S.R.L |  |  |  |
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests |  | 20,064 |  | 20,064
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | (516) | (7,385) | (6,905) |
S.M.R.L. Chaupiloma Dos de Cajamarca |  |  |  |
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests |  | 1,284 |  | 1,284
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | (811) | 4,396 | 5,201 |
Apu Coropuna S.R.L. |  |  |  |
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | (84) | 65 |  | $ 65
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | $ (149) | (62) | (22) |
Country of domicile | Sociedad Minera El Brocal S.A.A |  |  |  |
Equity interest held by non-controlling interests: |  |  |  |
Proportion of ownership interests held by non-controlling interests | 38.57% |  |  | 38.57%
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | $ 154,175 | 148,792 | 144,501 | $ 148,792
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | $ 239 | 4,322 | (12,895) |
Country of domicile | Minera La Zanja S.R.L |  |  |  |
Equity interest held by non-controlling interests: |  |  |  |
Proportion of ownership interests held by non-controlling interests | 0.00% |  |  | 46.94%
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | $ 0 | 20,064 | 26,121 | $ 20,064
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | $ (516) | (7,385) | (6,905) |
Country of domicile | S.M.R.L. Chaupiloma Dos de Cajamarca |  |  |  |
Equity interest held by non-controlling interests: |  |  |  |
Proportion of ownership interests held by non-controlling interests | 0.00% |  |  | 40.00%
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | $ 0 | 1,284 | 1,648 | $ 1,284
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | $ 811 | 4,396 | 5,201 |
Country of domicile | Apu Coropuna S.R.L. |  |  |  |
Equity interest held by non-controlling interests: |  |  |  |
Proportion of ownership interests held by non-controlling interests | 30.00% |  |  | 30.00%
Accumulated balances of material non-controlling interest: |  |  |  |
Non-controlling interests | $ (84) | 65 | 127 | $ 65
Profit (loss) allocated to material non-controlling interest: |  |  |  |
Profit (loss), attributable to non-controlling interests | $ (149) | $ (62) | $ (22) |

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