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Financial Assets and Financial Liabilities - Description of Significant Unobservable Inputs to Valuation (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Disclosure of significant unobservable inputs used in fair value measurement of assets [Line Items] |  |
Liquidity discount | 30.00% | 30.00%
Other equity securities [Member] |  |
Disclosure of significant unobservable inputs used in fair value measurement of assets [Line Items] |  |
Valuation technique | Market Approach Method |
Significant unobservable inputs | Liquidity Discount |
Liquidity discount | 30.00% | 30.00%
Sensitivity of the input to fair value | 5% decrease in the discount would increase in fair value by $290 | 5% decrease in the discount would increase in fair value by $167
Increase in fair value due to a decrease in the liquidity discount | $ 290 | $ 167

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- Definition The description of the methods used to develop and substantiate the unobservable inputs used in the fair value measurement of assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph IE65 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_IE65_e&doctype=Illustrative%20Examples -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_g&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The description of the sensitivity of the fair value measurement of assets to changes in unobservable inputs if a change to those inputs might result in a higher or lower fair value measurement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph h -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The description of the valuation techniques (for example, the market approach, cost approach and income approach) used for the fair value measurement of assets. [Refer: Valuation techniques [member]; Cost approach [member]; Income approach [member]; Market approach [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_d&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of increase (decrease) in the fair value measurement of assets due to a reasonably possible increase in an unobservable input. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2019-01-01 -Paragraph 93 -Subparagraph h -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2019-en-r&anchor=para_93_h_ii&doctype=Standard -URIDate 2019-03-27 + Details
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