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DEBENTURES - Amortization schedule (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
DEBENTURES    
Non-current debentures R$ 1,397,951 R$ 2,894,954
2022    
DEBENTURES    
Non-current debentures   1,497,760
2023    
DEBENTURES    
Non-current debentures 599,390 598,960
2026    
DEBENTURES    
Non-current debentures R$ 798,561 R$ 798,234