Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 62,101	$ 333,900	$ 423,860
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	121,154	98,234	77,425
Basis of real estate sold	31,392	29,921	27,360
Change in deferred taxes	(9,269)	(5,257)	25
Pension and other postretirement employee benefits	6,446	15,259	22,079
Pension settlement charge		14,165
Equity-based compensation expense	9,115	18,497	8,607
Gain on fire damage	(39,436)	(34,505)	(3,361)
Interest received under swaps with other-than-insignificant financing element	(25,646)	(3,002)
Other, net	7,882	1,767	363
Change in working capital and operating-related activities, net of mergers
Receivables, net	921	9,418	(4,404)
Inventories, net	(10,706)	4,410	(10,333)
Other assets	(758)	(7,629)	7,331
Accounts payable and accrued liabilities	(12,558)	97	(17,626)
Other liabilities	(3,087)	3,115	(8,167)
Real estate development expenditures	(11,504)	(8,102)	(9,229)
Funding of pension and other postretirement employee benefits	(3,336)	(5,065)	(9,044)
Proceeds from insurance recoveries	36,400	26,678	0
Net cash from operating activities	159,111	491,901	504,886
CASH FLOWS FROM INVESTING ACTIVITIES
Property, plant and equipment additions	(95,916)	(56,976)	(38,947)
Timberlands reforestation and roads	(23,863)	(17,718)	(16,401)
Acquisition of timber and timberlands	(1,834)	(110,110)	(20,066)
Proceeds from property insurance	1,356	8,750	15,000
Cash acquired in CatchMark merger	0	23,571	0
Interest received under swaps with other-than-insignificant financing element	23,757	2,798	0
Other, net	1,196	2,165	1,269
Net cash from investing activities	(95,304)	(147,520)	(59,145)
CASH FLOWS FROM FINANCING ACTIVITIES
Distribution to common stockholders	(143,595)	(208,133)	(388,241)
Repurchase of common stock	(25,011)	(54,549)
Proceeds from issuance of long-term debt	40,000	317,500	40,000
Repayment of long-term debt	(40,000)	(343,000)	(46,366)
Other, net	(3,104)	(7,380)	(6,702)
Net cash from financing activities	(171,710)	(295,562)	(401,309)
Change in cash, cash equivalents and restricted cash	(107,903)	48,819	44,432
Cash, cash equivalents and restricted cash at beginning of period	345,591	296,772	252,340
Cash, cash equivalents and restricted cash at end of period	$ 237,688	$ 345,591	$ 296,772