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Loans and Financing - Summary of Changes in Loans and Financing (Parenthetical) (Detail) - IFRS Sixteen [member]
R$ in Thousands
12 Months Ended
Dec. 31, 2019
BRL (R$)
Disclosure of detailed information about borrowings [line items]  
Impact of initial adoption In lease liabilities R$ 40,935
Lease liabilities incurred during the year R$ 100,464