REVENUE - Disaggregation of Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 178,837	$ 221,798
Lease Revenue	245	243
Total Revenue	179,082	222,041
Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	151,812	178,867
Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	38,018	49,649
Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	112,674	123,369
Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,120	5,849
Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	10,994	8,979
License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,459	4,866
Other Non-Timber/Carbon Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,201	3,763
Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	334	350
Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	16,031	33,952
Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	4,802	4,966
Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	6,499	16,950
Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,637	11,400
Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,093	636
Elim.
Disaggregation of Revenue [Line Items]
Total Revenue	(129)	(48)
CCS | License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	600
Operating Segments | Southern Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	71,842	76,763
Total Revenue	71,842	76,763
Operating Segments | Southern Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	62,446	70,976
Operating Segments | Southern Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	26,783	37,611
Operating Segments | Southern Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	34,543	27,516
Operating Segments | Southern Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,120	5,849
Operating Segments | Southern Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	9,396	5,787
Operating Segments | Southern Timber | License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	5,268	4,688
Operating Segments | Southern Timber | Other Non-Timber/Carbon Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	4,128	1,099
Operating Segments | Southern Timber | Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Pacific Northwest Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	34,419	46,281
Total Revenue	34,419	46,281
Operating Segments | Pacific Northwest Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	33,496	45,133
Operating Segments | Pacific Northwest Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,715	2,918
Operating Segments | Pacific Northwest Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,781	42,215
Operating Segments | Pacific Northwest Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Pacific Northwest Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	923	1,148
Operating Segments | Pacific Northwest Timber | License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	136	116
Operating Segments | Pacific Northwest Timber | Other Non-Timber/Carbon Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	787	1,032
Operating Segments | Pacific Northwest Timber | Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | New Zealand Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	44,105	51,389
Total Revenue	44,105	51,389
Operating Segments | New Zealand Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	43,764	49,695
Operating Segments | New Zealand Timber | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	6,081	7,595
Operating Segments | New Zealand Timber | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	37,683	42,100
Operating Segments | New Zealand Timber | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | New Zealand Timber | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	341	1,694
Operating Segments | New Zealand Timber | License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	55	62
Operating Segments | New Zealand Timber | Other Non-Timber/Carbon Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	286	1,632
Operating Segments | New Zealand Timber | Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Real Estate
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	16,031	33,952
Lease Revenue	245	243
Total Revenue	16,276	34,195
Operating Segments | Real Estate | Total Real Estate Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	16,031	33,952
Operating Segments | Real Estate | Improved Development
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	4,802	4,966
Operating Segments | Real Estate | Rural
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	6,499	16,950
Operating Segments | Real Estate | Timberland & Non-Strategic
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,637	11,400
Operating Segments | Real Estate | Deferred Revenue/Other
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	3,093	636
Operating Segments | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	12,440	13,413
Total Revenue	12,569	13,461
Operating Segments | Trading | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	12,106	13,063
Operating Segments | Trading | Pulpwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	1,439	1,525
Operating Segments | Trading | Sawtimber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	10,667	11,538
Operating Segments | Trading | Hardwood
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Trading | Total Non-Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	334	350
Operating Segments | Trading | License Revenue, Primarily from Hunting
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Trading | Other Non-Timber/Carbon Revenue
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0
Operating Segments | Trading | Agency Fee Income
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	334	350
Intersegment | Trading
Disaggregation of Revenue [Line Items]
Total Revenue	129	48
Intersegment | Elim.
Disaggregation of Revenue [Line Items]
Total Revenue	$ (129)	$ (48)