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Nature of Operations and Basis of Presentation - Additional Information (Details)	9 Months Ended
	Sep. 30, 2017 Segment Ton
New Accounting Pronouncement Early Adoption [Line Items]
Number of reportable segments | Segment	3
Wallula, Washington Mill | Virgin Kraft Linerboard Machine
New Accounting Pronouncement Early Adoption [Line Items]
Production capacity of machine per year | Ton	400,000

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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