REVENUE - Disaggregation of Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 167,808	$ 178,837
Lease Revenue	289	245
Total Revenue	168,097	179,082
Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	138,586	151,812
Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	36,374	38,018
Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	101,017	112,674
Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,195	1,120
Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	13,947	10,994
License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,421	5,413
Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,710	835
Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	6,486	4,412
Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	330	334
Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,275	16,031
Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,825	4,802
Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	8,728	6,499
Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	610	1,637
Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	4,112	3,093
Elim.
Disaggregation of Revenue [Line Items]
Total Revenue	(111)	(129)
Operating Segments | Southern Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	69,978	71,842
Total Revenue	69,978	71,842
Operating Segments | Southern Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	60,866	62,446
Operating Segments | Southern Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	25,931	26,783
Operating Segments | Southern Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	33,740	34,543
Operating Segments | Southern Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,195	1,120
Operating Segments | Southern Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	9,112	9,396
Operating Segments | Southern Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,275	5,222
Operating Segments | Southern Timber | Land-Based Solutions
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,710	835
Operating Segments | Southern Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,127	3,339
Operating Segments | Pacific Northwest Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	25,192	34,419
Total Revenue	25,192	34,419
Operating Segments | Pacific Northwest Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	24,228	33,496
Operating Segments | Pacific Northwest Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,551	3,715
Operating Segments | Pacific Northwest Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	22,677	29,781
Operating Segments | Pacific Northwest Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	964	923
Operating Segments | Pacific Northwest Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	95	136
Operating Segments | Pacific Northwest Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	869	787
Operating Segments | New Zealand Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	45,700	44,105
Total Revenue	45,700	44,105
Operating Segments | New Zealand Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	42,159	43,764
Operating Segments | New Zealand Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	7,754	6,081
Operating Segments | New Zealand Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	34,405	37,683
Operating Segments | New Zealand Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,541	341
Operating Segments | New Zealand Timber | License Revenue, Primarily From Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	51	55
Operating Segments | New Zealand Timber | Other Non-Timber/Carbon Credit Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,490	286
Operating Segments | Real Estate
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,275	16,031
Lease Revenue	289	245
Total Revenue	15,564	16,276
Operating Segments | Real Estate | Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,275	16,031
Operating Segments | Real Estate | Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,825	4,802
Operating Segments | Real Estate | Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	8,728	6,499
Operating Segments | Real Estate | Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	610	1,637
Operating Segments | Real Estate | Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	4,112	3,093
Operating Segments | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	11,663	12,440
Total Revenue	11,774	12,569
Operating Segments | Trading | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	11,333	12,106
Operating Segments | Trading | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,138	1,439
Operating Segments | Trading | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	10,195	10,667
Operating Segments | Trading | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	330	334
Operating Segments | Trading | Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	330	334
Intersegment | Trading
Disaggregation of Revenue [Line Items]
Total Revenue	111	129
Intersegment | Elim.
Disaggregation of Revenue [Line Items]
Total Revenue	$ (111)	$ (129)