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Derivative Financial Instruments Terphane Future Cash Flow Hedges (Details) - Terphane Ltda [Member] R$ in Thousands, $ in Thousands | Jun. 30, 2021 USD ($) | Jun. 30, 2021 BRL (R$)
--- | --- | ---
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 8,465 | R$ 46,619
Percentage of Coverage Using Cash Flow Hedges | 78.00% | 78.00%
Foreign Currency Exchange Rate, Translation | 5.5073 | 5.5073
Jul-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,450 | R$ 7,967
Percentage of Coverage Using Cash Flow Hedges | 80.00% | 80.00%
Foreign Currency Exchange Rate, Translation | 5.4945 | 5.4945
Aug-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,430 | R$ 7,864
Percentage of Coverage Using Cash Flow Hedges | 79.00% | 79.00%
Foreign Currency Exchange Rate, Translation | 5.4993 | 5.4993
Sep-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,520 | R$ 8,376
Percentage of Coverage Using Cash Flow Hedges | 84.00% | 84.00%
Foreign Currency Exchange Rate, Translation | 5.5105 | 5.5105
Oct-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,400 | R$ 7,714
Percentage of Coverage Using Cash Flow Hedges | 78.00% | 78.00%
Foreign Currency Exchange Rate, Translation | 5.5100 | 5.5100
Nov-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,495 | R$ 8,256
Percentage of Coverage Using Cash Flow Hedges | 83.00% | 83.00%
Foreign Currency Exchange Rate, Translation | 5.5224 | 5.5224
Dec-21 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 1,170 | R$ 6,442
Percentage of Coverage Using Cash Flow Hedges | 65.00% | 65.00%
Foreign Currency Exchange Rate, Translation | 5.5060 | 5.5060

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