Segment Information (Summary of Revenues by Major Product) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenues		$ 1,062,076	$ 1,024,075	$ 1,330,780
Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenues		1,164,722	1,134,737	1,489,693
Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	(102,646)	(110,656)	(158,913)
Other Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues		(0)	(6)	(0)
Timberlands [Member]
Disaggregation Of Revenue [Line Items]
Revenues		289,523	300,421	326,677
Timberlands [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenues		392,169	411,077	485,590
Timberlands [Member] | Operating Segments [Member] | Northern Region [Member]
Disaggregation Of Revenue [Line Items]
Revenues		161,283	177,190	290,139
Timberlands [Member] | Operating Segments [Member] | Northern Region [Member] | Sawlogs [Member]
Disaggregation Of Revenue [Line Items]
Revenues		159,001	174,498	286,970
Timberlands [Member] | Operating Segments [Member] | Northern Region [Member] | Pulpwood [Member]
Disaggregation Of Revenue [Line Items]
Revenues		831	1,247	2,038
Timberlands [Member] | Operating Segments [Member] | Northern Region [Member] | Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues		1,451	1,445	1,131
Timberlands [Member] | Operating Segments [Member] | Southern Region [Member]
Disaggregation Of Revenue [Line Items]
Revenues		230,886	233,887	195,451
Timberlands [Member] | Operating Segments [Member] | Southern Region [Member] | Sawlogs [Member]
Disaggregation Of Revenue [Line Items]
Revenues		127,630	121,940	106,582
Timberlands [Member] | Operating Segments [Member] | Southern Region [Member] | Pulpwood [Member]
Disaggregation Of Revenue [Line Items]
Revenues		65,462	68,104	60,363
Timberlands [Member] | Operating Segments [Member] | Southern Region [Member] | Stumpage [Member]
Disaggregation Of Revenue [Line Items]
Revenues		20,538	27,206	13,903
Timberlands [Member] | Operating Segments [Member] | Southern Region [Member] | Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues		17,256	16,637	14,603
Timberlands [Member] | Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	(102,646)	(110,656)	(158,913)
Timberlands [Member] | Other Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues			0
Wood Products [Member]
Disaggregation Of Revenue [Line Items]
Revenues		601,924	635,672	912,612
Wood Products [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenues		601,924	635,672	912,612
Wood Products [Member] | Operating Segments [Member] | Lumber [Member]
Disaggregation Of Revenue [Line Items]
Revenues		470,937	498,308	744,139
Wood Products [Member] | Operating Segments [Member] | Residuals and Panels [Member]
Disaggregation Of Revenue [Line Items]
Revenues		130,987	137,364	168,473
Wood Products [Member] | Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	0	0	0
Wood Products [Member] | Other Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues			0
Real Estate Segment [Member]
Disaggregation Of Revenue [Line Items]
Revenues		170,629	87,982	91,491
Real Estate Segment [Member] | Operating Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenues		170,629	87,988	91,491
Real Estate Segment [Member] | Operating Segments [Member] | Rural Real Estate [Member]
Disaggregation Of Revenue [Line Items]
Revenues		132,090	54,542	48,039
Real Estate Segment [Member] | Operating Segments [Member] | Development Real Estate [Member]
Disaggregation Of Revenue [Line Items]
Revenues		25,854	20,582	33,561
Real Estate Segment [Member] | Operating Segments [Member] | Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues		12,685	12,864	9,891
Real Estate Segment [Member] | Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	$ 0	0	$ 0
Real Estate Segment [Member] | Other Intersegment Eliminations [Member]
Disaggregation Of Revenue [Line Items]
Revenues			$ (6)

[1] Intersegment revenues represent logs sold by our Timberlands segment to our Wood Products segment.