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MARKETABLE SECURITIES (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
MARKETABLE SECURITIES |  |
Marketable securities | R$ 2,396,857 | R$ 6,330,334
Current | 2,212,079 | 6,150,631
Non Current | 184,778 | 179,703
Investment funds |  |
MARKETABLE SECURITIES |  |
Marketable securities | R$ 6,445 | 6,683
Investment funds | CDI |  |
MARKETABLE SECURITIES |  |
Percentage of basis used to calculate interest rate | 133.36% |
Private Funds |  |
MARKETABLE SECURITIES |  |
Marketable securities | R$ 175,317 | 1,431,303
Private Funds | CDI |  |
MARKETABLE SECURITIES |  |
Percentage of basis used to calculate interest rate | 157.67% |
Public titles measured at fair value through profit or loss |  |
MARKETABLE SECURITIES |  |
Marketable securities | R$ 444,712 | 1,631,319
Public titles measured at fair value through profit or loss | CDI |  |
MARKETABLE SECURITIES |  |
Percentage of basis used to calculate interest rate | 157.67% |
Private Securities (Compromised) |  |
MARKETABLE SECURITIES |  |
Marketable securities | R$ 1,585,605 | 3,081,326
Private Securities (Compromised) | CDI |  |
MARKETABLE SECURITIES |  |
Percentage of basis used to calculate interest rate | 102.42% |
Private Securities (Compromised) - Escrow Account |  |
MARKETABLE SECURITIES |  |
Marketable securities | R$ 184,778 | R$ 179,703
Private Securities (Compromised) - Escrow Account | CDI |  |
MARKETABLE SECURITIES |  |
Percentage of basis used to calculate interest rate | 102.00% |

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