Segment Information (Summary Of Information By Business Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Segment Reporting Information [Line Items]
Segment Revenues											$ 575,488		$ 548,578		$ 584,947
Total consolidated revenues	143,299		151,911	117,540	112,384	109,927		152,891	112,370	122,233	525,134		497,421		539,447
Income from continuing operations before taxes											59,403		44,411		44,871
Depreciation, depletion and amortization											26,247		29,092		31,204
Basis of real estate sold											5,048		10,219		48,670
Assets	718,897					746,220					718,897		746,220		781,711
Capital Expenditures											29,188		16,886		15,001
Asset impairment charge	107		0	0	0	0		1,180	0	0	107		1,180		0
Fair Value of Assets Acquired											586		341		0
Operating Segments [Member]
Segment Reporting Information [Line Items]
Income from continuing operations before taxes											121,994		100,853		101,572
Depreciation, depletion and amortization											23,020	[1]	25,277	[1]	28,669	[1]
Assets	577,461					579,440					577,461		579,440		594,767
Capital Expenditures											28,343		16,053		13,430
Resource [Member]
Segment Reporting Information [Line Items]
Segment Revenues											207,846		226,969		225,834
Elimination of intersegment revenues											(50,354)	[2]	(51,157)	[2]	(45,500)	[2]
Income from continuing operations before taxes											49,543		59,792		62,107
Depreciation, depletion and amortization											16,446		17,420		20,481
Real Estate [Member]
Segment Reporting Information [Line Items]
Segment Revenues											38,238		50,029		85,226
Income from continuing operations before taxes											28,056		31,384		30,425
Depreciation, depletion and amortization											36		28		0
Basis of real estate sold											5,413		13,500		48,670
Resource and Real Estate [Member]
Segment Reporting Information [Line Items]
Assets	477,271	[3]				476,483	[3]				477,271	[3]	476,483	[3]	495,780	[3]
Capital Expenditures											23,916	[4]	12,003	[4]	11,534	[4]
Wood Products [Member]
Segment Reporting Information [Line Items]
Segment Revenues											329,404		271,580		273,887
Income from continuing operations before taxes											45,456		7,267		7,140
Depreciation, depletion and amortization											6,538		7,829		8,188
Assets	100,190					102,957					100,190		102,957		98,987
Capital Expenditures											4,427		4,050		1,896
Eliminations and Adjustments [Member]
Segment Reporting Information [Line Items]
Income from continuing operations before taxes											(1,061)		2,410		1,900
Basis of real estate sold											(365)		(3,281)		0
Corporate Elimination [Member]
Segment Reporting Information [Line Items]
Income from continuing operations before taxes											(62,591)		(56,442)		(56,701)
Depreciation, depletion and amortization											3,227		3,815		2,535
Assets	141,436					166,780					141,436		166,780		186,944
Capital Expenditures											$ 845		$ 833		$ 1,571

[1] Excludes $0.1 million and $1.2 million asset impairment charges in 2012 and 2011, respectively.

[2] 1 Intersegment revenues for 2010-2012, which were based on prevailing market prices, consisted of logs sold by our Resource segment to the Wood Products segment.

[3] Assets are shown on a combined basis for the Resource and Real Estate segments, as we do not produce such internal information separately for those segments.

[4] 4 Capital expenditures are shown on a combined basis for the Resource and Real Estate segments, as we do not produce such internal information separately for those segments. Capital expenditures for the Resource and Real Estate segments include capitalized reforestation costs, logging road construction, additions to timber and timberlands, additions to equipment and deposits on timberlands for reverse LKE transactions. Not included in additions to timber and timberlands for 2012, 2011 and 2010 are non-cash transactions totaling $0.6 million, $0.3 million and $0, respectively, for the purchase of timberlands.