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Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Goodwill [Abstract]    
Balance at December 31, 2015 $ 21,823  
Additions 34,186  
Balance at March 31, 2016 56,009  
Intangible Assets    
Expected Annual Intangible Amortization Expense, per year for next five years 700  
Customer relationships, Accumulated amortization (233) $ (210)
Intangible assets, Gross carrying amount 16,300 10,300
Intangible Assets, Net carrying amount 16,067 10,090
Georgia-Pacific Engineered Lumber Production Facilities [Member]    
Goodwill [Abstract]    
Balance at March 31, 2016 $ 34,186  
Customer Relationships [Member]    
Intangible Assets    
Intangible assets, weighted average useful life 11 years  
Customer relationships, Gross carrying amount $ 7,400 1,400
Customer relationships, Accumulated amortization (233) (210)
Intangible Assets, Net carrying amount 7,167 1,190
Trademarks and Trade Names [Member]    
Intangible Assets    
Trade names and trademarks, Gross carrying amount 8,900 8,900
Intangible Assets, Net carrying amount 8,900 $ 8,900
Building Materials Distribution [Member]    
Goodwill [Abstract]    
Balance at December 31, 2015 5,593  
Balance at March 31, 2016 5,593  
Wood Products [Member]    
Goodwill [Abstract]    
Balance at December 31, 2015 16,230  
Balance at March 31, 2016 50,416  
Wood Products [Member] | Georgia-Pacific Engineered Lumber Production Facilities [Member]    
Goodwill [Abstract]    
Additions [1] 34,186  
Corporate and Other [Member]    
Goodwill [Abstract]    
Balance at December 31, 2015 0  
Balance at March 31, 2016 $ 0  
[1] Represents the acquisition of GP's two engineered lumber production facilities. For additional information, see Note 5, Acquisitions.