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Financial instruments (Details 1) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Financial instruments [Line Items] |  |
Other current financial assets | $ 505,490 | $ 312,721
Financial assets at amortised cost [member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 485,689 | 291,790
Financial assets at amortised cost [member] | Banco de Credito e Inversiones [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 185,400 | 145,834
Financial assets at amortised cost [member] | Banco Santander [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 74,365 | 23,124
Financial assets at amortised cost [member] | Banco Itau - Corpbanca [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 120,628 | 70,719
Financial assets at amortised cost [member] | Banco Security [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 17,964 | 27,215
Financial assets at amortised cost [member] | Banco de Chile [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 18,026 |
Financial assets at amortised cost [member] | Banco Estado [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | 15,126 |
Financial assets at amortised cost [member] | Scotiabank Sud Americano [Member] |  |
Financial instruments [Line Items] |  |
Other current financial assets | $ 54,180 | $ 24,898

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- Definition The amount of current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets; Current financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_d&doctype=Standard -URIDate 2019-03-27 + Details
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