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Derivative Financial Instruments Terphane Future Cash Flow Hedges (Details) - Terphane Ltda [Member] R$ in Thousands, $ in Thousands | Mar. 31, 2019 BRL (R$) | Mar. 31, 2019 USD ($)
--- | --- | ---
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 129,682 | $ 33,675
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3.9 | 3.9
Apr-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,430 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,669.0 | 3,669.0
May-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,451 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,679.5 | 3,679.5
Jun-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,473 | $ 2,025
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,690.4 | 3,690.4
Jul-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 6,989 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,882.6 | 3,882.6
Aug-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,011 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,895.0 | 3,895.0
Sep-19 [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 7,033 | $ 1,800
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,907.0 | 3,907.0
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$ 5,356 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,825.6 | 3,825.6
Feb-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,366 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,833.1 | 3,833.1
Mar-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,373 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,837.7 | 3,837.7
Apr-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,384 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,845.6 | 3,845.6
May-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,395 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,853.9 | 3,853.9
Jun-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,407 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,862.1 | 3,862.1
Jul-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,422 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,872.7 | 3,872.7
Aug-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,439 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,885.0 | 3,885.0
Sep-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,455 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,896.4 | 3,896.4
Oct-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,471 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,907.9 | 3,907.9
Nov-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,486 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,918.7 | 3,918.7
Dec-20 [Member] [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | R$ 5,503 | $ 1,400
Percentage of Coverage Using Cash Flow Hedges | 0.00% | 0.00%
Foreign Currency Exchange Rate, Translation | 3,930.6 | 3,930.6

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