Other Operating Income, Net (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Lease income, primarily for hunting	$ 15,937,000	$ 13,071,000		$ 12,144,000
Other non-timber income	3,346,000	2,145,000		2,822,000
Insurance Recoveries	2,298,000	1,890,000		2,700,000
Loss on sale or disposal of property plant & equipment	(3,443,000)	(7,412,000)	[1]	(871,000)
Environmental and disposition reserve adjustments	(797,000)	(5,989,000)	[2]	(3,201,000)
Corporate Development Costs	(1,073,000)	0		0
Miscellaneous income (expense), net	(3,165,000)	124,000		(3,075,000)
Total	13,103,000	3,829,000		10,519,000
Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates	797,000	6,873,000		3,201,000
Gain (Loss) on Sale of Property Plant Equipment [Abstract]
Amount of PP&E write-off		5,500,000
Description of PP&E write-off		write-off related to process equipment changes needed for the CSE project
Port Angeles Increase in Disposition Reserve [Member]
Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates		$ 6,500,000

[1] 2011 included a $5.5 million write-off related to process equipment changes needed for the CSE project.

[2] 2011 included a $6.5 million increase in a disposition reserve for a closed mill site. For additional information, see Note 15 — Liabilities for Dispositions and Discontinued Operations.