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Equity - Summary of Changes in Share (Detail) - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Reconciliation of number of shares outstanding [abstract] |  |  |  |
Initial shares | [1] | 16,806,658 | 16,806,658 | 16,659,232
Shares issuance | [1] | 0 | 0 | 147,426
Final shares | [1] | 16,806,658 | 16,806,658 | 16,806,658
[1] | The information for the years ended December 31, 2018 have been adjusted retrospectively for comparative purposes based on the number of shares resulting from the stock split occurred in March 2019.

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- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | na
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- References No definition available. + Details
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