Nature of Operations and Basis of Presentation - Narrative (Details)	Dec. 31, 2019 sawmill facility
High Purity Cellulose
Segment Reporting Information [Line Items]
Number of production facilities \| facility	4
Forest Products
Segment Reporting Information [Line Items]
Number of sawmills \| sawmill	7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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