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Certain Balance Sheet Components - (Narrative) (Details) - Arkansas [Member]
$ in Millions
1 Months Ended 9 Months Ended
Jan. 31, 2024
USD ($)
a
Sep. 30, 2025
USD ($)
a
Property, Plant and Equipment [Line Items]    
Acres acquired through mature timberland purchase | a 16,000 11,200
Aggregate amount paid or expected to pay to acquire mature timberlands | $ $ 31.4 $ 24.8