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Debentures - Additional Information (Detail) - BRL (R$)
R$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
May 15, 2019
Dec. 31, 2018
Sep. 28, 2018
Disclosure of detailed information about borrowings [abstract]          
Debentures issued R$ 800,000 R$ 800,000 R$ 800,000 R$ 400,000 R$ 800,000