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EARNINGS / (LOSS) PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of earnings per share [text block] [Abstract] |
Schedule of earning per share |
|  | For the year ended |
|  | December 31, |
Basic earnings / (loss) per share |  | 2019 |  |  | 2018 |  |  | 2017 |
|  |  |  |  | Restated |  |  | Restated |
Earnings / (loss) attributable to owners of the parent (ThUS$) |  |  | 190,430 |  |  |  | 309,811 |  |  |  | 108,896 |
Weighted average number of shares, basic |  |  | 606,407,693 |  |  |  | 606,407,693 |  |  |  | 606,407,693 |
Basic earnings / (loss) per share (US$) |  |  | 0.31403 |  |  |  | 0.51090 |  |  |  | 0.17958 |
|  | For the year ended |
|  | December 31, |
Diluted earnings / (loss) per share |  | 2019 |  |  | 2018 |  |  | 2017 |
|  |  |  |  | Restated |  |  | Restated |
Earnings / (loss) attributable to owners of the parent (ThUS$) |  |  | 190,430 |  |  |  | 309,811 |  |  |  | 108,896 |
Weighted average number of shares, basic |  |  | 606,407,693 |  |  |  | 606,407,693 |  |  |  | 606,407,693 |
Weighted average number of shares, diluted |  |  | 606,407,693 |  |  |  | 606,407,693 |  |  |  | 606,407,693 |
Diluted earnings / (loss) per share (US$) |  |  | 0.31403 |  |  |  | 0.51090 |  |  |  | 0.17958 |

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