Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income				$ 13,373	$ 38,566
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization		$ 29,674	$ 27,496	60,476	59,669
Basis of real estate sold		56,525	4,884	60,617	15,515
Change in deferred taxes				(8,839)	(2,215)
Pension and other postretirement employee benefits				2,288	3,223
Equity-based compensation expense				5,522	3,856
Gain on fire damage		0	(23,110)	0	(23,110)
Interest received under swaps with other-than-insignificant financing element				(14,967)	(11,767)
Other, net				5,312	3,856
Change in working capital and operating-related activities, net				(3,996)	(14,334)
Real estate development expenditures				(2,722)	(4,304)
Funding of pension and other postretirement employee benefits				(2,135)	(2,304)
Proceeds from insurance recoveries				1,680	9,706
Net cash from operating activities				116,609	76,357
CASH FLOWS FROM INVESTING ACTIVITIES
Property, plant and equipment additions				(26,603)	(10,135)
Timberlands reforestation and roads				(12,814)	(10,714)
Acquisition of timber and timberlands				(31,481)	(1,621)
Interest received under swaps with other-than-insignificant financing element				13,924	10,904
Other, net				618	664
Net cash from investing activities				(56,356)	(10,902)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders				(71,456)	(71,920)
Repurchase of common stock				(23,905)	(394)
Other, net				(2,236)	(1,955)
Net cash from financing activities				(97,597)	(74,269)
Change in cash, cash equivalents and restricted cash				(37,344)	(8,814)
Cash, cash equivalents and restricted cash at beginning of period				237,688	345,591
Cash, cash equivalents and restricted cash at end of period		200,344	336,777	200,344	336,777
NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property, plant and equipment additions				1,177	178
Accrued timberlands reforestation and roads				1,912	2,460
Repurchase of common stock pending settlement				1,107	0
Cash and cash equivalents		199,723	331,225	199,723	331,225
Restricted cash included in other long-term assets	[1]	$ 621	$ 5,552	$ 621	$ 5,552
Restricted Cash, Asset, Statement of Financial Position [Extensible List]		Other long-term assets	Other long-term assets	Other long-term assets	Other long-term assets
Total cash, cash equivalents, and restricted cash		$ 200,344	$ 336,777	$ 200,344	$ 336,777

[1] 1 Amounts included in restricted cash represent proceeds held by a qualified intermediary that were or are intended to be reinvested in timber and timberlands. At June 30, 2024 and 2023, $0 and $3.2 million, respectively, was classified as Other current assets.