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35 Financial Instruments (Details 4) - Foreign Exchange Risk [Member] R$ in Thousands	12 Months Ended
	Dec. 31, 2019 BRL (R$)
Exchange rate Variation - Increase [Member]
Disclosure of risk management strategy related to hedge accounting [line items]
Gains (losses) on operations with derivative financial instruments, Exchange rate variation	Increase
Gains (losses) on operations with derivative financial instruments, Baseline	R$ (1,203)
Gains (losses) on operations with derivative financial instruments, Projected scenario 1	23,777
Gains (losses) on operations with derivative financial instruments, Projected scenario 2	R$ 48,757
Exchange rate Variation - Decrease [Member]
Disclosure of risk management strategy related to hedge accounting [line items]
Gains (losses) on operations with derivative financial instruments, Exchange rate variation	Decrease
Gains (losses) on operations with derivative financial instruments, Baseline	R$ (1,203)
Gains (losses) on operations with derivative financial instruments, Projected scenario 1	(26,183)
Gains (losses) on operations with derivative financial instruments, Projected scenario 2	R$ (51,163)

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- Definition

The amount of gains losses on operations with derivative financial instruments baseline.

+ References

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- Definition

The amount of gains losses on operations with derivative financial instruments exchange rate variation.

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- Definition

The amount of gains losses on operations with derivative financial instruments projected scenario1.

+ References

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- Definition

The amount of gains losses on operations with derivative financial instruments projected scenario2.

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No definition available.

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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