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Trade and other receivables, net - Forced payments of tax debts that are in litigation (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | $ 173,337 | $ 172,131
Buenaventura |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 56,370 | 37,733
Buenaventura | SUNAT seizure |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 33,240 | 36,321
Buenaventura | Forced payment of part of the tax liability debt |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 19,918 |
Buenaventura | Inminsur's tax liability debt |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 1,403 | 1,412
Buenaventura | Payment of the tax liability debt imputed by SUNAT in the IGV inspection process |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 1,311 |
Buenaventura | Forced payment of part of the tax debt |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 498 |
Rio Seco | Forced payment of part of the VAT tax liability |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 3,279 | 3,398
El Brocal |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 2,724 | 2,618
El Brocal | Payment under protest of the tax liability |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 2,303 | 2,517
El Brocal | Payment of the fine for the benefit of reducing the fine |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 402 |
El Brocal | Other minor |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | 19 | 101
Consorcio Energtico de Huancavelica S.A. |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables | $ 62,373 | 44,014
Consorcio Energtico de Huancavelica S.A. | Payment of the fine for the benefit of reducing the fine |  |
Disclosure of Trade and other receivables, net [Line Items] |  |
Other receivables |  | $ 265

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