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Trade and other receivables, net (Details Textual) - Dec. 31, 2017 | USD ($) | PEN (S/)
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Disclosure of Trade and other receivables, net [Abstract] |  |
Undue offsets made by Tax Authorities against tax debts of prior years | $ 5,817,000 | S/ 19,500,000

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- References No definition available. + Details
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- Definition Undue offsets made by the Tax Authorities against tax debts of prior years. + References No definition available. + Details
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