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Disclosures on reserves in Equity (Details Textual) - $ / shares |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 20, 2019 | Aug. 21, 2019 | May 22, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Apr. 25, 2019
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |
Dividend payable per share |  |  |  |  |  | $ 1.67111
interim dividend per share | $ 0.22987 |  | $ 0.30598 |  |  |
Provisional dividend paid, Per share |  | $ 0.26669 |  |  | $ 1.25837 |
Maximum Threshold Percentage Of Issued Capital For Issuance Of Series B shares |  |  |  | 50.00% |  |
Minimum Percentage Required TO Call Ordinary Or Extraordinary Meeting |  |  |  | 5.00% |  |
Number Of Consecutive Limitation Period Of Series B shares |  |  |  | 50 years |  |
Discount rate |  |  |  | 4.00% |  |
Percentage Of Net Income |  |  |  | 50.00% |  |
Series A preferred shares [Member] |  |  |  |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |
Number of shares issued and fully paid |  |  |  | 142,819,552 | 142,819,552 |
Series B preferred shares [Member] |  |  |  |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |
Number of shares issued and fully paid |  |  |  | 120,376,972 | 120,376,972 |
Bottom of range [member] |  |  |  |  |  |
Disclosure of Disclosures on equity [Line Items] |  |  |  |  |  |
Cash dividend rate |  |  |  | 30.00% |  |

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- Definition The number of shares issued by the entity, for which full payment has been received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_ii&doctype=Standard -URIDate 2019-03-27 + Details
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