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Partners' equity, net (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 02, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure Of Partners Equity Net LineItems [Line Items] |  |  |  |
Dividends recognised as distributions to owners |  | $ (28,135) | $ (15,021) | $ (10,488)
Minera Yanacocha SRL and subsidiary [Member] |  |  |  |
Disclosure Of Partners Equity Net LineItems [Line Items] |  |  |  |
Number of shares issued and fully paid |  | 656,484,745 |  |
Applicable Dividend Distribution Tax Rate | 5.00% | 6.80% |  |
Dividends recognised as distributions to owners |  |  | (300,000) |
Minera Yanacocha SRL and subsidiary [Member] | Ordinary shares [member] |  |  |  |
Disclosure Of Partners Equity Net LineItems [Line Items] |  |  |  |
Number of shares issued and fully paid |  | 1,214,528,739 |  |
Dividends recognised as distributions to owners |  |  | $ 300,000 |

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