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HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS - Schedule of Higher and Better Use Timberlands and Real Estate Development Investments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 30, 2026
Mar. 31, 2026
Real Estate, Land and Land Development Costs [Roll Forward]    
Non-current portion, beginning balance   $ 126,090
Plus: Current portion, beginning balance   6,834
Total balance, beginning balance   132,924
Non-cash cost of land and improved development   (4,165)
Amortization of parcel real estate development investments   (1,247)
Timber depletion from harvesting activities and basis of timber sold in real estate sales   (1,142)
Capitalized real estate development investments (b)   9,703
HBU properties assumed in the merger with PotlatchDeltic Corporation   59,563
Capital expenditures (silviculture)   3
Intersegment transfers   844
Total balance, ending balance   196,483
Less: Current portion, ending balance   (8,868)
Non-current portion, ending balance   187,615
Capitalized interest   400
Parcel real estate development investments   5,200
Potlatchdeltic Merger    
Real Estate, Land and Land Development Costs [Roll Forward]    
HBU properties assumed in the merger with PotlatchDeltic Corporation $ 59,600  
Land and Timber    
Real Estate, Land and Land Development Costs [Roll Forward]    
Non-current portion, beginning balance   84,123
Plus: Current portion, beginning balance   1,850
Total balance, beginning balance   85,973
Non-cash cost of land and improved development   (2,801)
Amortization of parcel real estate development investments   0
Timber depletion from harvesting activities and basis of timber sold in real estate sales   (1,142)
Capitalized real estate development investments (b)   0
HBU properties assumed in the merger with PotlatchDeltic Corporation   59,563
Capital expenditures (silviculture)   3
Intersegment transfers   844
Total balance, ending balance   142,440
Less: Current portion, ending balance   (3,017)
Non-current portion, ending balance   139,423
Development Investments    
Real Estate, Land and Land Development Costs [Roll Forward]    
Non-current portion, beginning balance   41,967
Plus: Current portion, beginning balance   4,984
Total balance, beginning balance   46,951
Non-cash cost of land and improved development   (1,364)
Amortization of parcel real estate development investments   (1,247)
Timber depletion from harvesting activities and basis of timber sold in real estate sales   0
Capitalized real estate development investments (b)   9,703
HBU properties assumed in the merger with PotlatchDeltic Corporation   0
Capital expenditures (silviculture)   0
Intersegment transfers   0
Total balance, ending balance   54,043
Less: Current portion, ending balance   (5,851)
Non-current portion, ending balance   $ 48,192