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LOANS, FINANCING AND DEBENTURES - Fundraising costs (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about borrowings [line items] |  |
Cost | R$ 736,918 |
Amortization | 364,582 |
Balance to be amortized | 351,394 | R$ 156,303
Bonds |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 343,642 |
Amortization | 129,297 |
Balance to be amortized | 201,467 | 67,189
CRA and NCE |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 125,222 |
Amortization | 73,508 |
Balance to be amortized | 47,443 | 20,195
Import ("ECA") |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 101,811 |
Amortization | 101,811 |
Balance to be amortized |  | 16,235
Syndicated Loan |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 72,774 |
Amortization | 33,209 |
Balance to be amortized | 40,382 | 30,552
Debentures |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 21,592 |
Amortization | 4,674 |
Balance to be amortized | 19,065 | 18,944
BNDES ("IOF") |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 53,730 |
Amortization | 13,702 |
Balance to be amortized | 38,447 |
Others |  |
Disclosure of detailed information about borrowings [line items] |  |
Cost | 18,147 |
Amortization | 8,381 |
Balance to be amortized | R$ 4,590 | R$ 3,188

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