Segment Information (Summary Of Information By Business Segment) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Segment Revenues	$ 119,915	$ 138,077	$ 252,920	$ 254,106
Elimination of intersegment revenues	(7,545)	(9,099)	(18,317)	(19,710)
Total consolidated revenues	112,370	128,978	234,603	234,396
Total intersegment revenues	(7,545)	(9,099)	(18,317)	(19,710)
Earnings from continuing operations before taxes	11,148	15,193	20,427	19,584
Depreciation, depletion and amortization, excluding corporate	4,511	6,554	11,313	13,173
Depreciation, depletion and amortization	5,158	7,147	13,824	14,358
Basis of real estate sold	6,958	4,145	10,573	4,713
Operating Segments [Member]
Earnings from continuing operations before taxes	23,288	28,235	49,154	45,719
Resource [Member]
Segment Revenues	34,265	50,455	85,817	95,268
Elimination of intersegment revenues	7,545	9,099	18,317	19,710
Total intersegment revenues	7,545	9,099	18,317	19,710
Earnings from continuing operations before taxes	7,549	15,026	21,610	24,947
Depreciation, depletion and amortization	2,514	4,508	7,332	9,003
Real Estate [Member]
Segment Revenues	19,018	10,456	31,999	13,903
Earnings from continuing operations before taxes	11,000	5,117	19,366	7,015
Basis of real estate sold	6,958	4,145	10,573	4,713
Wood Products [Member]
Segment Revenues	66,632	77,166	135,104	144,935
Earnings from continuing operations before taxes	2,758	5,956	5,652	11,184
Depreciation, depletion and amortization	1,997	2,046	3,981	4,170
Eliminations and Adjustments [Member]
Earnings from continuing operations before taxes	1,981	2,136	2,526	2,573
Corporate [Member]
Earnings from continuing operations before taxes	(12,140)	(13,042)	(28,727)	(26,135)
Depreciation, depletion and amortization	$ 647	$ 593	$ 2,511	$ 1,185