Certain Balance Sheet Components (Schedule of Inventories) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Logs	$ 40,300	$ 30,586
Lumber, panels and veneer	38,662	35,888
Materials and supplies	23,353	21,262
Inventories gross	102,315	87,736
Less: LIFO reserve	(19,778)	(19,778)
Total inventories	$ 82,537	$ 67,958