The derivative financial instruments acquired to hedge the foreign currency statement of financial position exposure on September 30, 2021 are not designated as hedge accounting and are set forth below: (Details) R$ in Thousands	9 Months Ended
Sep. 30, 2021 BRL (R$) Number
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Fair value	R$ (33,938)
Currency risk [member] \| Not Designated Hedge [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Fair value	R$ 20,465
Currency risk [member] \| Not Designated Hedge [Member] \| Nondeliverable Forward [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	EUR
Liabilities	BRL
Maturity	4th Qtr. 2021
Notional	R$ 265,000
Average rate \| Number	6.4336
Fair value	R$ (8,522)
Currency risk [member] \| Not Designated Hedge [Member] \| Nondeliverable Forward One [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	USD
Liabilities	BRL
Maturity	4th Qtr. 2021
Notional	R$ 715,000
Average rate \| Number	5.4864
Fair value	R$ 12,727
Currency risk [member] \| Not Designated Hedge [Member] \| Futures B 3 [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	USD
Liabilities	BRL
Maturity	4th Qtr. 2021
Notional	R$ 358,000
Average rate \| Number	5.4672
Fair value	R$ 6,462
Currency risk [member] \| Not Designated Hedge [Member] \| Currency Swap 1 [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	USD + 1.29% p.a.
Liabilities	CDI + 0.80% p.a.
Maturity	1st Qtr. 2022
Notional	R$ 47,583
Fair value	R$ 8,450
Currency risk [member] \| Not Designated Hedge [Member] \| Nondeliverable Forward Two [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	EUR
Liabilities	JPY
Maturity	4th Qtr. 2021
Notional	R$ 19,230
Average rate \| Number	130.0080
Fair value	R$ (877)
Currency risk [member] \| Not Designated Hedge [Member] \| Nondeliverable Forward Three [Member]
DisclosureOfFinancialInstrumentsAndRisksManagementLineItems [Line Items]
Assets	USD
Liabilities	EUR
Maturity	4th Qtr. 2021
Notional	R$ 34,133
Average rate \| Number	1.1719
Fair value	R$ 2,225

The derivative financial instruments acquired to hedge the foreign currency statement of financial position exposure on September 30, 2021 are not designated as hedge accounting and are set forth below: (Details)
R$ in Thousands