14. FINANCIAL INSTRUMENTS (Details 15) - Foreign exchange risk [member] R$ in Thousands	12 Months Ended
Dec. 31, 2020 BRL (R$) Numnber
Disclosure of detailed information about financial instruments [line items]
Designated amounts	R$ 120,000
Impact on Shareholders' equity	R$ 6,293
Hedges of net investment in foreign operations [member] \| Non-derivative financial liabilities in EUR - debt contract [member]
Disclosure of detailed information about financial instruments [line items]
Designation date	09/30/2015
Hedging instrument	Non-derivative financial liabilities in EUR – Debt contract
Hedged item	Investments in subsidiaries which EUR is the functional currency
Type of hedged risk	Foreign exchange - R$ vs. EUR spot rate
Exchange rate on designation \| Numnber	4.0825
Designated amounts	R$ 120,000
Impact on Shareholders' equity	R$ 6,293

The average price of a hedging instrument. [Refer: Hedging instruments [member]]

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The description of financial instruments designated as hedging instruments. Hedging instruments are designated derivatives or (for a hedge of the risk of changes in foreign currency exchange rates only) designated non-derivative financial assets or non-derivative financial liabilities whose fair value or cash flows are expected to offset changes in the fair value or cash flows of a designated hedged item. [Refer: Derivatives [member]; Derivative financial assets; Derivative financial liabilities; Financial instruments, class [member]; Financial assets]

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The description of the nature of risks being hedged.

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The description of the type of a hedge used by the entity.

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The amount of a hedged item, recognised as an asset. [Refer: Hedged items [member]]

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The amount of other comprehensive income, net of tax, related to hedges of net investments in foreign operations. [Refer: Other comprehensive income]

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The amount refers to hedging relationship designation date.

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