REVENUE - Disaggregation of Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 177,058	$ 123,648	$ 365,864	$ 336,327
Lease Revenue	473	455	1,126	1,119
Total Revenue	177,531	124,103	366,990	337,446
Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	70,532	71,048	197,720	228,941
Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	23,490	24,500	65,249	77,470
Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	44,962	45,412	127,940	148,468
Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,080	1,136	4,531	3,003
Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	16,243	22,994	38,915	47,410
Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers		4,775	1,805	8,306
License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,576	5,638	16,338	16,422
Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,854	2,777	8,450	7,092
Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	7,813	9,804	12,322	15,590
Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	90,283	29,606	129,229	59,976
Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	20,590	11,999	32,368	16,399
Unimproved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers			3,000
Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	7,311	13,766	28,314	29,964
Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	53,500		53,500	610
Conservation Easement
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers		1,101		1,101
Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	8,882	2,740	12,047	11,902
Southern Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	66,834	62,416	171,102	192,545
Total Revenue	66,834	62,416	171,102	192,545
Southern Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	52,201	45,352	137,856	156,117
Southern Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	22,261	23,182	61,495	73,141
Southern Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	27,860	21,034	71,830	79,973
Southern Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,080	1,136	4,531	3,003
Southern Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	14,633	17,064	33,246	36,428
Southern Timber | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers		397		1,223
Southern Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,346	5,348	15,912	15,907
Southern Timber | Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,822	2,767	8,357	7,062
Southern Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	6,465	8,552	8,977	12,236
Pacific Northwest Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	19,941	31,626	65,533	83,806
Total Revenue	19,941	31,626	65,533	83,806
Pacific Northwest Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	18,331	25,696	59,864	72,824
Pacific Northwest Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,229	1,318	3,754	4,329
Pacific Northwest Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	17,102	24,378	56,110	68,495
Pacific Northwest Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,610	5,930	5,669	10,982
Pacific Northwest Timber | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers		4,378	1,805	7,083
Pacific Northwest Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	230	290	426	515
Pacific Northwest Timber | Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	32	10	93	30
Pacific Northwest Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,348	1,252	3,345	3,354
Real Estate
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	90,283	29,606	129,229	59,976
Lease Revenue	473	455	1,126	1,119
Total Revenue	90,756	30,061	130,355	61,095
Real Estate | Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	90,283	29,606	129,229	59,976
Real Estate | Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	20,590	11,999	32,368	16,399
Real Estate | Unimproved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers			3,000
Real Estate | Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	7,311	13,766	28,314	29,964
Real Estate | Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	53,500		53,500	610
Real Estate | Conservation Easement
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers		1,101		1,101
Real Estate | Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 8,882	$ 2,740	$ 12,047	$ 11,902