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LEASE - Amounts recognized in the statement of income for the year (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
LEASE    
Expenses relating to short-term assets R$ 7,365 R$ 37,007
Expenses relating to low-value assets 12,182 14,349
Total amount recognized R$ 19,547 R$ 51,356