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Derivative Financial Instruments Terphane Future Cash Flow Hedges (Details) - Terphane Ltda [Member] R$ in Thousands, $ in Thousands | Sep. 30, 2019 BRL (R$) | Sep. 30, 2019 USD ($)
--- | --- | ---
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 85,792 | $ 22,200
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3.9 | 3.9
Oct-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,056 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,920.3 | 3,920.3
Nov-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,080 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,933.1 | 3,933.1
Dec-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,102 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,945.5 | 3,945.5
Jan-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,315 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,796.6 | 3,796.6
Feb-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,326 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,804.1 | 3,804.1
Mar-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,332 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,808.6 | 3,808.6
Apr-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,343 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,816.3 | 3,816.3
May-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,354 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,824.4 | 3,824.4
Jun-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,365 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,832.3 | 3,832.3
Jul-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,380 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,842.6 | 3,842.6
Aug-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,396 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,854.5 | 3,854.5
Sep-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,412 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,865.6 | 3,865.6
Oct-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,428 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,876.9 | 3,876.9
Nov-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,443 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,887.7 | 3,887.7
Dec-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,460 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,899.7 | 3,899.7

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