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Nature of Operations and Basis of Presentation - Additional Information (Details) ton in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2016 ton | Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of reportable segments |  | 3
Subsequent Event | Wallula, Washington Mill |  |
Subsequent Event [Line Items] |  |
Pulp capacity (in tons) | 0.1 |

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