Segment Information - Reconciliation of Total Segment Adjusted EBITDDA to Total Adjusted EBITDDA and Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Adjusted EBITDDA		$ 52,025	$ 103,173	$ 115,392	$ 132,895
Interest expense, net		(10,412)	(8,696)	(11,904)	(8,414)
Depreciation, depletion and amortization	[1]	(26,370)	(29,268)	(51,774)	(59,663)
Basis of real estate sold		(11,481)	(56,525)	(21,348)	(60,617)
Environmental charge		0	0	(490)	0
Non-operating pension and other postretirement employee benefits		(351)	201	(702)	402
Loss (gain) on disposal of assets		(328)	66	(424)	71
Other		741	(23)	535	(168)
Income before income taxes		3,824	8,928	29,285	4,506
Operating Segments [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDDA		64,009	116,887	140,776	157,724
Depreciation, depletion and amortization		(26,370)	(29,268)	(51,774)	(59,663)
Basis of real estate sold		(11,486)	(56,528)	(21,354)	(60,622)
Loss (gain) on disposal of assets		328	(66)	424	(71)
Corporate [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDDA	[2]	(13,164)	(11,756)	(25,313)	(24,421)
Depreciation, depletion and amortization		(217)	(115)	(421)	(231)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Adjusted EBITDDA	[3]	1,180	(1,958)	(71)	(408)
Basis of real estate sold		$ 5	$ 3	$ 6	$ 5

[1] Excludes amortization of bond discounts and deferred loan fees which are reported within interest expense, net on the Condensed Consolidated Statements of Operations.

[2] Corporate Adjusted EBITDDA includes costs specifically not allocated to the segments including, but not limited to, certain corporate department direct expenses and employee wages and benefits. Corporate Adjusted EBITDDA is regularly provided to the CODM.

[3] Includes elimination of intersegment profit in ending Wood Products inventory for logs purchased from our Timberlands segment and LIFO adjustments.