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Assets Held For Sale:Prepaid Expenses and Other (Details) - Prepaid Expenses and Other Current Assets [Member] - Agreement With Woodgrain Millwork for Two Lumber Mills and a Particleboard Plant In Northeast Oregon [Member] - Disposal Group, Held-for-sale, Not Discontinued Operations [Member] $ in Thousands	Sep. 30, 2018 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventories	$ 9,547
Property and equipment	5,500
Total assets held for sale	$ 15,047

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