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Commitments and Contingencies (Details) - Unfavorable Regulatory Action | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) | Aug. 31, 2018 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2000 assessment
Raw Materials Assessment |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of assessments from the tax authorities regarding ICMS taxes | assessment |  |  |  |  | 2
Raw Materials Assessment 2 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Settlement period | 60 months |  |  |  |
Electricity Assessment |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of assessments from the tax authorities regarding ICMS taxes | assessment |  |  |  |  | 4
Raw Materials Assessment And Remaining Electricity Assessments |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Liability recorded | $ 0 |  |  |  |
Maximum | Raw Materials Assessment 2 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, estimated possible loss | $ 9,400,000 |  |  |  |
Maximum | Electricity Assessment One |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, estimated possible loss |  |  | $ 3,500,000 |  |
Maximum | Second Electricity Assessment |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, estimated possible loss |  |  | $ 6,800,000 |  |
Maximum | Electricity Assessment Three |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, estimated possible loss |  |  |  | $ 500,000 |
Maximum | Electricity Assessment Four |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss contingency, estimated possible loss |  | $ 7,600,000 |  |  |

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- Definition The number of assessments from the tax authorities of the State of Rio de Janeiro for unpaid Imposto sobre circulacao de Mercadorias e Servicos (or ICMS) taxes, a form of value-added tax in Brazil. + References No definition available. + Details
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