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Financial - risk management objectives and policies - Aging of obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Disclosure Of Financial risk management [Line Items] |  |  |  |
Lease liabilities | $ 12,953 | $ 5,779 |  |
Trade and other payables. | 251,542 | 262,678 |  |
Total financial liabilities | 738,534 | 1,057,975 | $ 531,653 | $ 571,688
Sociedad Minera Cerro Verde S.A.A. |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 320,400 | 235,555 |  |
Accounts payable - related parties | 3,174 | 3,426 |  |
Senior unsecured credit facility | 0 | 324,695 |  |
Lease liabilities | 63,125 | 70,120 |  |
Other accounts payable | 60,632 | 73,235 |  |
Trade and other payables. | 35,800 | 15,100 |  |
Total financial liabilities | 447,331 | 707,031 |  |
Sociedad Minera Cerro Verde S.A.A. | On Demands [Member] |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 0 | 0 |  |
Accounts payable - related parties | 0 | 0 |  |
Senior unsecured credit facility |  | 0 |  |
Lease liabilities | 0 | 0 |  |
Other accounts payable | 0 | 0 |  |
Total financial liabilities | 0 | 0 |  |
Sociedad Minera Cerro Verde S.A.A. | Not later than three months [member] |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 316,460 | 234,640 |  |
Accounts payable - related parties | 1,740 | 3,426 |  |
Senior unsecured credit facility |  | 0 |  |
Lease liabilities | 1,036 | 1,257 |  |
Other accounts payable | 15,293 | 66,818 |  |
Total financial liabilities | 334,529 | 306,141 |  |
Sociedad Minera Cerro Verde S.A.A. | Later than three months and not later than one year [member] |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 2,923 | 277 |  |
Accounts payable - related parties | 1,434 | 0 |  |
Senior unsecured credit facility |  | 324,695 |  |
Lease liabilities | 5,992 | 6,360 |  |
Other accounts payable | 45,339 | 6,417 |  |
Total financial liabilities | 55,688 | 337,749 |  |
Sociedad Minera Cerro Verde S.A.A. | Between 2 and 5 years [member] |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 1,017 | 638 |  |
Accounts payable - related parties | 0 | 0 |  |
Senior unsecured credit facility |  | 0 |  |
Lease liabilities | 45,033 | 41,085 |  |
Other accounts payable | 0 | 0 |  |
Total financial liabilities | 46,050 | 41,723 |  |
Sociedad Minera Cerro Verde S.A.A. | More than 5 years |  |  |  |
Disclosure Of Financial risk management [Line Items] |  |  |  |
Trade accounts payable | 0 | 0 |  |
Accounts payable - related parties | 0 | 0 |  |
Senior unsecured credit facility |  | 0 |  |
Lease liabilities | 11,064 | 21,418 |  |
Other accounts payable | 0 | 0 |  |
Total financial liabilities | $ 11,064 | $ 21,418 |  |

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