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SHARE-BASED COMPENSATION PLAN - Amounts recognized in the financial Statements (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Liabilities and equity |  |  |
Provision for phantom stock plan | R$ 136,505 | R$ 124,318 |
Capital reserves | 6,416,864 | 674,221 |
Income Statement |  |  |
Total general and administrative expenses from share-based transactions | (47,268) | (131,609) | R$ (33,713)
Stock options granted |  |  |
Liabilities and equity |  |  |
Capital reserves | 5,979 |  |
PSO |  |  |
Liabilities and equity |  |  |
Provision for phantom stock plan | 136,505 | 124,318 |
Income Statement |  |  |
Total general and administrative expenses from share-based transactions | (46,389) | (126,439) | (32,192)
Common stock option plan |  |  |
Income Statement |  |  |
Total general and administrative expenses from share-based transactions | (879) | (5,170) | R$ (1,521)
Common stock option plan | Stock options granted |  |  |
Liabilities and equity |  |  |
Capital reserves | R$ 5,979 | R$ 5,100 |

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