Discontinued Operations - Elimination of Intercompany Hardwood Purchases (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Wood Products business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Hardwood purchases	$ 3,935	$ 3,051

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