Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	CatchMark Merger [Member]	Common Stock [Member]	Common Stock [Member] CatchMark Merger [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] CatchMark Merger [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance, beginning of period at Dec. 31, 2021	$ 1,526,133		$ 69,064		$ 1,781,217		$ (280,910)	$ (43,238)
Balance, beginning of period (shares) at Dec. 31, 2021			69,064,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	333,900						333,900
Equity-based compensation expense	9,190				9,190
Shares issued for stock compensation			$ 344		(344)
Shares issued for stock compensation (shares)			344,000
Repurchase of common stock	(54,549)		$ (1,199)				(53,350)
Repurchase of common stock (shares)			(1,199,000)
Common stock issued		$ 515,766		$ 11,474		$ 504,292
Common stock issued (shares)				11,474,000
Pension plans and OPEB obligations, net of tax	22,875							22,875
Cash flow hedges, net of tax	118,015							118,015
Common dividends	(208,133)						(208,133)
Other transactions, net	(44)				442		(486)
Balance, end of period at Dec. 31, 2022	2,263,153		$ 79,683		2,294,797		(208,979)	97,652
Balance, end of period (shares) at Dec. 31, 2022			79,683,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	62,101						62,101
Equity-based compensation expense	9,115				9,115
Shares issued for stock compensation			$ 238		(238)
Shares issued for stock compensation (shares)			238,000
Repurchase of common stock	(25,011)		$ (556)				(24,455)
Repurchase of common stock (shares)			(556,000)
Pension plans and OPEB obligations, net of tax	9,569							9,569
Cash flow hedges, net of tax	(4,189)							(4,189)
Common dividends	(143,595)						(143,595)
Other transactions, net	(45)				318		(363)
Balance, end of period at Dec. 31, 2023	$ 2,171,098		$ 79,365		2,303,992		(315,291)	103,032
Balance, end of period (shares) at Dec. 31, 2023	79,365,000		79,365,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 21,876						21,876
Equity-based compensation expense	11,010				11,010
Shares issued for stock compensation			$ 166		(166)
Shares issued for stock compensation (shares)			166,000
Repurchase of common stock	(35,017)		$ (847)				(34,170)
Repurchase of common stock (shares)			(847,000)
Pension plans and OPEB obligations, net of tax	(9,726)							(9,726)
Cash flow hedges, net of tax	20,835							20,835
Common dividends	(142,350)						(142,350)
Other transactions, net	(56)				340		(396)
Balance, end of period at Dec. 31, 2024	$ 2,037,670		$ 78,684		$ 2,315,176		$ (470,331)	$ 114,141
Balance, end of period (shares) at Dec. 31, 2024	78,684,000		78,684,000