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Financial Instruments - Sensitivity Analysis Of The Interest Rate Risks (Detail) - Interest rate risk [member] R$ in Thousands | 12 Months Ended
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Dec. 31, 2019 BRL (R$)
Disclosure of risk management strategy related to hedge accounting [line items] |
Impact on profit or loss before tax | R$ (1,738)
Short Term Investments [member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Interest rate risk | CDI variation
Book value | R$ 2,758,265
Reasonably possible change in basis points | 10.00%
Impact on profit or loss before tax | R$ 1,103
Loans and Financing [member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Interest rate risk | CDI variation
Book value | R$ (2,910,550)
Reasonably possible change in basis points | 10.00%
Impact on profit or loss before tax | R$ (1,261)
FIDC Senior Quota Holders [member] |
Disclosure of risk management strategy related to hedge accounting [line items] |
Interest rate risk | CDI variation
Book value | R$ (3,710,894)
Reasonably possible change in basis points | 10.00%
Impact on profit or loss before tax | R$ (1,581)

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