REVENUE - Disaggregation of Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 106,194	$ 99,264	$ 188,806	$ 212,679
Lease Revenue	344	375	653	664
Total Revenue	106,538	99,639	189,459	213,343
Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	66,324	73,360	128,993	161,425
Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	20,695	25,488	41,758	52,970
Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	44,706	47,200	84,784	106,588
Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	923	672	2,451	1,867
Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	10,782	10,809	20,867	20,884
License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,435	5,414	10,761	10,784
Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,812	2,596	5,596	4,314
Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,535	2,799	4,510	5,786
Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,088	15,095	38,946	30,370
Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	8,484	2,575	11,778	4,400
Unimproved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,000		3,000
Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,729	7,470	21,003	16,198
Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers				610
Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,875	5,050	3,165	9,162
Operating Segments | Southern Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	53,324	59,325	104,268	129,302
Total Revenue	53,324	59,325	104,268	129,302
Operating Segments | Southern Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	43,763	49,899	85,655	110,765
Operating Segments | Southern Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	19,436	24,027	39,234	49,958
Operating Segments | Southern Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	23,404	25,200	43,970	58,940
Operating Segments | Southern Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	923	672	2,451	1,867
Operating Segments | Southern Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	9,561	9,426	18,613	18,537
Operating Segments | Southern Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,331	5,284	10,566	10,559
Operating Segments | Southern Timber | Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,780	2,586	5,535	4,294
Operating Segments | Southern Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,450	1,556	2,512	3,684
Operating Segments | Pacific Northwest Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	22,383	24,283	43,787	49,475
Total Revenue	22,383	24,283	43,787	49,475
Operating Segments | Pacific Northwest Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	21,162	22,900	41,533	47,128
Operating Segments | Pacific Northwest Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,259	1,461	2,524	3,012
Operating Segments | Pacific Northwest Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	19,903	21,439	39,009	44,116
Operating Segments | Pacific Northwest Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,221	1,383	2,254	2,347
Operating Segments | Pacific Northwest Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	104	130	195	225
Operating Segments | Pacific Northwest Timber | Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	32	10	61	20
Operating Segments | Pacific Northwest Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,085	1,243	1,998	2,102
Operating Segments | Real Estate
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,088	15,095	38,946	30,370
Lease Revenue	344	375	653	664
Total Revenue	29,432	15,470	39,599	31,034
Operating Segments | Real Estate | Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,088	15,095	38,946	30,370
Operating Segments | Real Estate | Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	8,484	2,575	11,778	4,400
Operating Segments | Real Estate | Unimproved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,000		3,000
Operating Segments | Real Estate | Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,729	7,470	21,003	16,198
Operating Segments | Real Estate | Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers				610
Operating Segments | Real Estate | Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,875	5,050	3,165	9,162
Operating Segments | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,399	561	1,805	3,532
Total Revenue	1,399	561	1,805	3,532
Operating Segments | Trading | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,399	561	1,805	3,532
Operating Segments | Trading | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 1,399	$ 561	$ 1,805	$ 3,532