REVENUE - Disaggregation of Revenue by Contract Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 208,506	$ 246,023	$ 387,343	$ 467,820
Total Stumpage
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	30,774	21,501	61,981	63,095
Stumpage Pay-as-Cut
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	30,493	21,326	60,970	57,532
Stumpage Lump Sum
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	281	175	1,011	5,563
Total Delivered
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	132,763	177,017	253,368	314,289
Total Delivered | Delivered Wood (Domestic)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	65,081	86,359	135,659	172,039
Total Delivered | Delivered Wood (Export)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	67,682	90,658	117,709	142,250
Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	163,537	198,518	315,349	377,384
Southern Timber | Total Stumpage
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	30,774	21,416	61,357	57,622
Southern Timber | Stumpage Pay-as-Cut
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	30,493	21,326	60,970	57,532
Southern Timber | Stumpage Lump Sum
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	281	90	387	90
Southern Timber | Total Delivered
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	27,633	36,804	59,496	71,574
Southern Timber | Total Delivered | Delivered Wood (Domestic)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	25,437	33,248	54,850	65,376
Southern Timber | Total Delivered | Delivered Wood (Export)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,196	3,556	4,646	6,198
Pacific Northwest Timber | Total Stumpage
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	85	624	5,473
Pacific Northwest Timber | Stumpage Pay-as-Cut
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
Pacific Northwest Timber | Stumpage Lump Sum
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	85	624	5,473
Pacific Northwest Timber | Total Delivered
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,985	37,797	62,857	77,542
Pacific Northwest Timber | Total Delivered | Delivered Wood (Domestic)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	26,996	33,956	56,164	73,402
Pacific Northwest Timber | Total Delivered | Delivered Wood (Export)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	2,989	3,841	6,693	4,140
New Zealand Timber | Total Stumpage
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
New Zealand Timber | Stumpage Pay-as-Cut
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
New Zealand Timber | Stumpage Lump Sum
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
New Zealand Timber | Total Delivered
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	60,193	75,098	103,958	124,793
New Zealand Timber | Total Delivered | Delivered Wood (Domestic)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	12,559	18,051	24,154	31,532
New Zealand Timber | Total Delivered | Delivered Wood (Export)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	47,634	57,047	79,804	93,261
Trading | Total Stumpage
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
Trading | Stumpage Pay-as-Cut
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
Trading | Stumpage Lump Sum
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	0	0	0	0
Trading | Total Delivered
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	14,952	27,318	27,057	40,380
Trading | Total Delivered | Delivered Wood (Domestic)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	89	1,104	491	1,729
Trading | Total Delivered | Delivered Wood (Export)
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	14,863	26,214	26,566	38,651
Operating Segments | Southern Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	68,310	66,271	140,152	143,035
Operating Segments | Southern Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	58,407	58,220	120,853	129,196
Operating Segments | Pacific Northwest Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	32,317	39,157	66,736	85,437
Operating Segments | Pacific Northwest Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	29,985	37,882	63,481	83,015
Operating Segments | New Zealand Timber
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	60,898	78,882	105,004	130,271
Operating Segments | New Zealand Timber | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	60,193	75,098	103,958	124,793
Operating Segments | Trading
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	15,299	27,634	27,738	41,047
Operating Segments | Trading | Total Timber Sales
Disaggregation of Revenue [Line Items]
Revenue from Contracts with Customers	$ 14,952	$ 27,318	$ 27,057	$ 40,380