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Right-of-use assets and Lease liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | $ 37,164 | $ 0
Initial recognition of IFRS 16 |  | 45,115
Additions | 1,903 |
Depreciation expenses | (8,431) | (7,951)
Other increases / decreases | (612) |
Total changes | (7,140) | (7,951)
Closing balance | 30,024 | 37,164
Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 45,115
Closing balance |  |
Land [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Land [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Buildings [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 25,742 | 0
Initial recognition of IFRS 16 |  | 29,289
Additions | 1,782 |
Depreciation expenses | (3,535) | (3,547)
Other increases / decreases | (612) |
Total changes | (2,365) | (3,547)
Closing balance | 23,377 | 25,742
Buildings [member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 29,289
Closing balance |  |
Other property, plant and equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Other property, plant and equipment [member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Transport equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 3,356 | 0
Initial recognition of IFRS 16 |  | 3,893
Additions | 0 |
Depreciation expenses | (877) | (537)
Other increases / decreases | 0 |
Total changes | (877) | (537)
Closing balance | 2,479 | 3,356
Transport equipment [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 3,893
Closing balance |  |
Supplies and accessories [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Supplies and accessories [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Office Equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Office Equipment [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Network and communication equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Network and communication equipment [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Mining assets [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Mining assets [member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Computer equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Computer equipment [member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Energy generating assets [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Energy generating assets [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Construction in Progress [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 0 | 0
Initial recognition of IFRS 16 |  | 0
Additions | 0 |
Depreciation expenses | 0 | 0
Other increases / decreases | 0 |
Total changes | 0 | 0
Closing balance | 0 | 0
Construction in Progress [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | 0
Closing balance |  |
Machinery, plant and equipment [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance | 8,066 | 0
Initial recognition of IFRS 16 |  | 11,933
Additions | 121 |
Depreciation expenses | (4,019) | (3,867)
Other increases / decreases | 0 |
Total changes | (3,898) | (3,867)
Closing balance | $ 4,168 | 8,066
Machinery, plant and equipment [Member] | Previously stated [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Opening Balance |  | $ 11,933
Closing balance |  |

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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_h&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_j&doctype=Standard -URIDate 2020-01-01 + Details
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