Goodwill and Intangible Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Goodwill [Abstract]
Balance at December 31, 2017	$ 55,433
Additions	4,976
Allocation of goodwill to disposal groups	(1,250)
Balance at December 31, 2018	59,159
Building Materials Distribution [Member]
Goodwill [Abstract]
Balance at December 31, 2017	5,593
Additions	4,976	[1]
Allocation of goodwill to disposal groups	0
Balance at December 31, 2018	10,569
Wood Products [Member]
Goodwill [Abstract]
Balance at December 31, 2017	49,840
Additions	0
Allocation of goodwill to disposal groups	(1,250)	[2]
Balance at December 31, 2018	$ 48,590

[1] Represents the acquisition of wholesale building material distribution locations. For additional information, see Note 8, Acquisitions.

[2] Represents the allocation of goodwill to the disposal of two lumber mills and a particleboard plant located in Northeast Oregon and a hardwood plywood facility located in Moncure, North Carolina. For additional information, see Note 7, Sale of Manufacturing Facilities.