Property, Plant and Equipment (Schedule of Damaged and Obsolete Fixed Asset Write-Offs, Disposal Costs, Insurance Recoveries for Ola, Arkansas Sawmill Fire and Net Gain on Fire Damage) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gain on fire damage	$ 34,505	$ 3,361	$ 0
Ola, Arkansas Sawmill [Member]
Property, Plant and Equipment [Line Items]
Fixed asset write-offs	0	(9,544)
Disposal costs	(924)	(2,595)
Total fixed asset loss on disposal	(924)	(12,139)
Insurance recoveries	35,000	15,000
Gain on fire damage	34,076	2,861
Timberlands [Member]
Property, Plant and Equipment [Line Items]
Insurance recoveries	$ 429	$ 500