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Management of Financial Risk (Disclosure of Nature and Extent Arising from Financial Instruments - Currency Risk) (Details) S/ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands | 12 Months Ended |  |
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Dec. 31, 2019 PEN (S/) | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 ARS ($) | Dec. 31, 2019 CAD ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 ARS ($) | Dec. 31, 2019 CAD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 PEN (S/) | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 ARS ($) | Dec. 31, 2018 CAD ($) | Dec. 31, 2018 USD ($)
CANADA |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change percentage, currency | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |
CANADA | Currency risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exposure on asset (liabilities), net |  |  |  |  |  |  | $ (6,258) | $ (4,818) |  |  |  | $ (2,602) | $ (2,010)
Effect of Foreign denominated items |  |  |  | $ 438 |  |  |  |  |  |  |  |  |
CANADA | Currency risk [member] | Cash and Cash Equivalent [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  |  | 626 |  |  |  |  | 376 |
CANADA | Currency risk [member] | Accounts Receivable and Other Assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  |  | 310 |  |  |  |  | 279 |
CANADA | Currency risk [member] | Investments In Associate [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  |  | 1,373 |  |  |  |  | 5,244 |
CANADA | Currency risk [member] | Trade and Other Payables [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  |  |  | (8,549) |  |  |  |  | (8,478) |
CANADA | Currency risk [member] | Due to Related Party [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  |  |  | $ (18) |  |  |  |  | $ (23) |
PERU |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change percentage, currency | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |
PERU | Currency risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exposure on asset (liabilities), net | S/ (6,814) |  |  |  |  |  |  | (2,054) | S/ (18,023) |  |  |  | (5,458)
Effect of Foreign denominated items | S/ | 187 |  |  |  |  |  |  |  |  |  |  |  |
PERU | Currency risk [member] | Cash and Cash Equivalent [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets | S/ | 2,293 |  |  |  |  |  |  |  | 941 |  |  |  |
PERU | Currency risk [member] | Accounts Receivable and Other Assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets | S/ | 1,827 |  |  |  |  |  |  |  | 3,660 |  |  |  |
PERU | Currency risk [member] | Income Tax Receivable [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets | S/ | 8,451 |  |  |  |  |  |  |  | 459 |  |  |  |
PERU | Currency risk [member] | Trade and Other Payables [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities | S/ | S/ (19,385) |  |  |  |  |  |  |  | (18,492) |  |  |  |
PERU | Currency risk [member] | Income Tax Payable [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities | S/ |  |  |  |  |  |  |  |  | S/ (4,591) |  |  |  |
MEXICO |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change percentage, currency | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |
MEXICO | Currency risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exposure on asset (liabilities), net |  |  |  |  | $ (444,407) |  |  | (23,582) |  | $ (302,032) |  |  | (16,055)
Effect of Foreign denominated items |  | $ 2,144 |  |  |  |  |  |  |  |  |  |  |
MEXICO | Currency risk [member] | Cash and Cash Equivalent [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  | 13,103 |  |  |  |  | 37,039 |  |  |
MEXICO | Currency risk [member] | Accounts Receivable and Other Assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  | 3,972 |  |  |  |  | 11,836 |  |  |
MEXICO | Currency risk [member] | VAT - long term receivable [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  | 10,715 |  |  |  |  |  |  |  |
MEXICO | Currency risk [member] | Trade and Other Payables [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  | (214,679) |  |  |  |  | (218,833) |  |  |
MEXICO | Currency risk [member] | Provisions Current [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  | (3,942) |  |  |  |  | (2,991) |  |  |
MEXICO | Currency risk [member] | Income Tax Payable [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  | (161,900) |  |  |  |  | (59,810) |  |  |
MEXICO | Currency risk [member] | Other Liabilities [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  | (4,217) |  |  |  |  | (2,296) |  |  |
MEXICO | Currency risk [member] | Provisions Noncurrent [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  | $ (87,459) |  |  |  |  | $ (66,977) |  |  |
ARGENTINA |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change percentage, currency | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |
ARGENTINA | Currency risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exposure on asset (liabilities), net |  |  |  |  |  | $ 714,786 |  | $ 11,815 |  |  | $ 479,810 |  | $ 11,646
Effect of Foreign denominated items |  |  | $ 1,029 |  |  |  |  |  |  |  |  |  |
ARGENTINA | Currency risk [member] | Cash and Cash Equivalent [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  | 11,762 |  |  |  |  | 6,967 |  |
ARGENTINA | Currency risk [member] | Accounts Receivable and Other Assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  | 117,539 |  |  |  |  | 37,129 |  |
ARGENTINA | Currency risk [member] | VAT - long term receivable [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on assets |  |  |  |  |  | 2,039,929 |  |  |  |  | 560,873 |  |
ARGENTINA | Currency risk [member] | Trade and Other Payables [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange exposure on liabilities |  |  |  |  |  | $ (1,454,444) |  |  |  |  | $ (125,159) |  |

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