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12. FINANCIAL INSTRUMENTS (Details 8) - Foreign Exchange Risk [Member] - Hedges of Net Investment in Foreign Operations [Member] R$ in Thousands	12 Months Ended
	Dec. 31, 2019 BRL (R$) ExchangeRate
Disclosure of detailed information about financial instruments [line items]
Designated amounts	R$ 120,000
Amortized part	(96,000)
Impact on Shareholders' equity	R$ 1,469
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
Exchange rate on designation | ExchangeRate	4.0825
Designated amounts	R$ 120,000
Amortized part	(96,000)
Impact on Shareholders' equity	R$ 1,469

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 23B
-Subparagraph b
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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]

+ References

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+ References

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-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 24B
-Subparagraph a
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2019-01-01
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-IssueDate 2019-01-01
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