Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income		$ 330,057	$ 384,678
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization		67,960	57,365
Basis of real estate sold		25,024	22,733
Change in deferred taxes		(1,359)	3,221
Pension and other postretirement employee benefits		10,936	16,595
Pension settlement charge		14,165	0
Equity-based compensation expense		16,141	6,345
Gain on fire damage		(34,505)	(4,394)
Other, net		(455)	633
Change in working capital and operating-related activities, net		14,071	(20,082)
Real estate development expenditures		(6,986)	(6,434)
Funding of pension and other postretirement employee benefits		(3,290)	(7,418)
Proceeds from insurance recoveries		26,678	0
Net cash from operating activities		458,437	453,242
CASH FLOWS FROM INVESTING ACTIVITIES
Property, plant and equipment additions		(44,000)	(26,291)
Timberlands reforestation and roads		(12,220)	(12,236)
Acquisition of timber and timberlands		(96,081)	(2,450)
Proceeds from property insurance		0	13,250
Cash acquired in CatchMark merger		23,571	0
Other, net		935	993
Net cash from investing activities		(127,795)	(26,734)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions to common stockholders		(96,578)	(82,462)
Repurchase of common stock		(4,527)	0
Proceeds from issuance of long-term debt		277,500	0
Repayments of long term debt		(303,000)	0
Other, net		(6,120)	(3,619)
Net cash from financing activities		(132,725)	(86,081)
Change in cash, cash equivalents and restricted cash		197,917	340,427
Cash, cash equivalents and restricted cash at beginning of period		296,772	252,340
Cash, cash equivalents and restricted cash at end of period		494,689	592,767
NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property, plant and equipment additions		4,429	2,695
Accrued timberlands reforestation and roads		2,749	1,590
Equity issued as consideration in the CatchMark merger		508,314	0
Long-term debt and other liabilities assumed in our merger with CatchMark		323,102	0
Cash and cash equivalents		484,018	592,767
Restricted cash included in other long-term assets	[1]	$ 10,671	$ 0
Restricted Cash, Asset, Statement of Financial Position [Extensible List]		Other long-term assets	Other long-term assets
Total cash, cash equivalents, and restricted cash		$ 494,689	$ 592,767

[1] 1 Amounts included in restricted cash represent proceeds held by a qualified intermediary that are intended to be reinvested in timber and timberlands.