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Other accounts payable (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of other accounts payable [Abstract] |
Disclosure of information about other accounts payable [Text Block] | This item is made up as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |
|  | US$(000) |  |  | US$(000) |
Current |  |  |  |  |  |  |  |
Mining royalties, interests and penalties 2006-Sept. 2011 (a) |  |  | 97,263 |  |  |  | 36,113 |
Other |  |  | 3,991 |  |  |  | 4,069 |
Total current |  |  | 101,254 |  |  |  | 40,182 |
Non-current |  |  |  |  |  |  |  |
Mining royalties, interests and penalties 2009-Sept. 2011 (b) |  |  | 215,070 |  |  |  | 33,424 |
Total other accounts payable |  |  | 316,324 |  |  |  | 73,606 |
| (a) | As of December 31, 2018, represents the current portion of the monthly payments of the new installment programs approved by SUNAT which the Company will start paying in second-quarter 2019, related to disputed mining royalties for the period January 2009 through September 2011 of US$23.8 million and interest, deferral interest and penalties of US$41.4 million. The current amount also includes the remaining monthly payments of the installment program approved by SUNAT related to disputed mining royalties for the years 2006 to 2008 of US$13.2 million and interest and penalties of US$18.9 million (see Note 13(d)).
| (b) | As of December 31, 2018, represents the non-current portion of the monthly payments of the new installment programs related to disputed mining royalties for the period January 2009 through September 2011 of US$85.5 million and interest and penalties of US$129.6 million (see Note 13(d)).

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- Definition The disclosure of information about other accounts payable. + References No definition available. + Details
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