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SHORT-TERM DEBT AND LONG-TERM DEBT - By Currency (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 14,612,934 | R$ 13,138,823
Brazilian Real (BRL) |  |
LOANS AND FINANCING |  |
Total Loans and Financing | 1,245,988 | 111,492
U.S. Dollar (USD) |  |
LOANS AND FINANCING |  |
Total Loans and Financing | R$ 13,366,946 | 12,960,521
Other currencies |  |
LOANS AND FINANCING |  |
Total Loans and Financing |  | R$ 66,810

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