Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income				$ 16,682	$ 62,241
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization		$ 25,893	$ 30,658	86,369	90,327
Basis of real estate sold		12,905	6,109	73,522	21,624
Change in deferred taxes				(11,896)	(3,979)
Pension and other postretirement employee benefits				3,431	4,833
Equity-based compensation expense				8,468	6,472
Gain on fire damage		0	(16,326)	0	(39,436)
Interest received under swaps with other-than-insignificant financing element				(22,503)	(18,651)
Other, net				6,953	5,648
Change in working capital and operating-related activities, net				(7,036)	(24,107)
Real estate development expenditures				(5,305)	(7,243)
Funding of pension and other postretirement employee benefits				(7,303)	(2,176)
Proceeds from insurance recoveries				1,680	21,755
Net cash from operating activities				143,062	117,308
CASH FLOWS FROM INVESTING ACTIVITIES
Property, plant and equipment additions				(52,178)	(28,068)
Timberlands reforestation and roads				(19,290)	(17,013)
Acquisition of timber and timberlands				(32,303)	(1,676)
Proceeds from property insurance					1,356
Interest received under swaps with other-than-insignificant financing element				20,934	17,279
Other, net				752	700
Net cash from investing activities				(82,085)	(27,422)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders				(106,942)	(107,880)
Repurchase of common stock				(27,413)	(11,406)
Other, net				(3,179)	(2,315)
Net cash from financing activities				(137,534)	(121,601)
Change in cash, cash equivalents and restricted cash				(76,557)	(31,715)
Cash, cash equivalents and restricted cash at beginning of period				237,688	345,591
Cash, cash equivalents and restricted cash at end of period		161,131	313,876	161,131	313,876
NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property, plant and equipment additions				985	20,141
Accrued timberlands reforestation and roads				2,365	2,834
Repurchase of common stock pending settlement				0	1,723
Cash and cash equivalents		161,131	302,799	161,131	302,799
Restricted cash included in other long-term assets	[1]	$ 0	$ 11,077	$ 0	$ 11,077
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		$ 161,131	$ 313,876	$ 161,131	$ 313,876

[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 September 30, 2024 and 2023, $0 and $1.8 million, respectively, was classified as Other current assets.