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RELATED PARTIES - Balances recognized in assets and liabilities (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
RELATED PARTIES |  |
Balances receivable (payable) | R$ 21,283 | R$ 34,923
Trade accounts receivable |  |
RELATED PARTIES |  |
Balances receivable (payable) | 23,761 | 36,727
Trade accounts payable |  |
RELATED PARTIES |  |
Balances receivable (payable) | (2,478) | (1,804)
Controlling Shareholders |  |
RELATED PARTIES |  |
Balances receivable (payable) | 3 | (125)
Suzano Holding S.A. |  |
RELATED PARTIES |  |
Balances receivable (payable) | 3 | (125)
Related Party Transactions With Suzano Group And Related Parties [Member] |  |
RELATED PARTIES |  |
Balances receivable (payable) | 21,280 | 35,048
Bexma | Reimbursement for expenses |  |
RELATED PARTIES |  |
Balances receivable (payable) | 1 | 1
Bizma | Reimbursement for expenses |  |
RELATED PARTIES |  |
Balances receivable (payable) | 1 | 2
Ecofuturo | Social services |  |
RELATED PARTIES |  |
Balances receivable (payable) | (9) | (33)
Ibema | Sale of pulp |  |
RELATED PARTIES |  |
Balances receivable (payable) | 23,755 | 36,721
Ibema | Purchase of products |  |
RELATED PARTIES |  |
Balances receivable (payable) | (2,467) | R$ (1,643)
Management | Reimbursement for expenses |  |
RELATED PARTIES |  |
Balances receivable (payable) | R$ (1) |

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