Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 333,900	$ 423,860	$ 166,830
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	98,234	77,425	77,885
Basis of real estate sold	29,921	27,360	25,348
Change in deferred taxes	(5,257)	25	(14,610)
Pension and other postretirement employee benefits	15,259	22,079	23,666
Pension settlement charge	14,165	0	42,988
Equity-based compensation expense	18,497	8,607	8,063
Gain on fire damage	(34,505)	(3,361)	0
Other, net	(1,235)	363	(1,269)
Change in working capital and operating-related activities, net of mergers
Receivables, net	9,418	(4,404)	(12,439)
Inventories, net	4,410	(10,333)	3,745
Other assets	(7,629)	7,331	4,591
Accounts payable and accrued liabilities	97	(17,626)	25,848
Other liabilities	3,115	(8,167)	1,327
Real estate development expenditures	(8,102)	(9,229)	(6,706)
Funding of pension and other postretirement employee benefits	(5,065)	(9,044)	(10,004)
Proceeds from insurance recoveries	26,678	0	0
Net cash from operating activities	491,901	504,886	335,263
CASH FLOWS FROM INVESTING ACTIVITIES
Property, plant and equipment additions	(56,976)	(38,947)	(22,693)
Timberlands reforestation and roads	(17,718)	(16,401)	(16,234)
Acquisition of timber and timberlands	(110,110)	(20,066)	(6,858)
Proceeds from property insurance	8,750	15,000	0
Cash acquired in CatchMark merger	23,571	0	0
Other, net	4,963	1,269	3,593
Net cash from investing activities	(147,520)	(59,145)	(42,192)
CASH FLOWS FROM FINANCING ACTIVITIES
Distribution to common stockholders	(208,133)	(388,241)	(107,853)
Repurchase of common stock	(54,549)	0	(15,364)
Proceeds from issuance of long-term debt	317,500	40,000	46,000
Repayment of long-term debt	(343,000)	(46,366)	(46,000)
Other, net	(7,380)	(6,702)	(1,768)
Net cash from financing activities	(295,562)	(401,309)	(124,985)
Change in cash, cash equivalents and restricted cash	48,819	44,432	168,086
Cash, cash equivalents and restricted cash at beginning of period	296,772	252,340	84,254
Cash, cash equivalents and restricted cash at end of period	$ 345,591	$ 296,772	$ 252,340