Other Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
HBU real estate not expected to be sold within next 12 months	$ 65,400	$ 77,400
Goodwill	$ 8,478	9,694	$ 10,179
Time period proceeds from LKE sale maintained with third party intermediary	180 days
Capitalized debt issuance costs	$ 3,900	3,700
Capitalized computer software costs	$ 3,900	4,200
Software Costs
Goodwill [Line Items]
Amortization period, in years	5 years
Minimum
Goodwill [Line Items]
Period for recording prepaid logging roads	24 months
Maximum
Goodwill [Line Items]
Period for recording prepaid logging roads	60 months
Pacific Northwest
Goodwill [Line Items]
Prepaid Roads, Noncurrent	$ 5,700	4,700
New Zealand
Goodwill [Line Items]
Prepaid Roads, Noncurrent	2,300	$ 3,300
New Zealand JV | New Zealand Timber
Goodwill [Line Items]
Goodwill	$ 8,500