Timber and Timberlands (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) a	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 14, 2022 a	Dec. 21, 2021 a
Asset Acquisition [Line Items]
Depletion from Company Owned Lands	$ 54.0	$ 40.4	$ 46.3
Amortization of Logging Roads	3.5	$ 3.5	$ 3.6
Aggregate amount paid or expected to pay to acquire timberlands	101.0
Future payments due under timber cutting contracts	$ 12.7
Mississippi and Arkansas [Member]
Asset Acquisition [Line Items]
Acres acquired through timberland purchase | a	46,000
Alabama, Georgia and South Carolina [Member] | CatchMark Timber Trust, Inc [Member]
Asset Acquisition [Line Items]
Acres acquired through timberland purchase | a				348,000
Assets of Loutre Land and Timber Company [Member]
Asset Acquisition [Line Items]
Acres acquired through timberland purchase | a					51,340