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Financial risk management (Details Textual) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Financial risk management [Line Items] |  |
Percentage of Financial Liabilities Maturing in Next 12 Months | 4.00% |
Undrawn borrowing facilities | $ 478,000 |
Derivatives designated as fair value hedges liability | $ 29,470 | $ 63,270
Percentage of Insurance Covers on Risk | 80.00% |
Banco Santander [Member] |  |
Financial risk management [Line Items] |  |
Collateral Guarantee Reduce Liquidity Risk | $ 1,870 |
CHILE |  |
Financial risk management [Line Items] |  |
Average foreign exchange rate | 10,000 |
Derivatives [member] |  |
Financial risk management [Line Items] |  |
Financial assets, at fair value | $ 18,410 | 18,900
Adjustments for unrealised foreign exchange losses (gains) | $ 473,000 |
Derivatives [member] | Interest rate hedging [Member] |  |
Financial risk management [Line Items] |  |
Derivative financial instruments percentage of obligations covered | 100.00% |
Derivatives [member] | Derivative instruments associated with nominative term deposits [Member] | Hedges of foreign exchange risks [Member] |  |
Financial risk management [Line Items] |  |
Derivative instruments designated as fair value hedges assets | $ 21,000 |
Derivatives designated as fair value hedges liability |  | $ 16,400
Percentage of foreign exchange risk associated with nominative term deposits | 100.00% |

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- Definition Adjustments for unrealised foreign exchange losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 20 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_20_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of derivative financial assets held for hedging. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of derivative financial liabilities held for hedging. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 50 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_50_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Derivative financial instruments percentage of obligations covered. + References No definition available. + Details
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