SEGMENT AND GEOGRAPHICAL INFORMATION - Operating Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total Operating Income	$ 27,606		$ 35,356	$ 56,257	$ 66,081
Unallocated interest expense and other	2,871		(12,069)	(20,771)	(15,030)
Total Income before Income Taxes	30,477		23,287	35,486	51,051
Costs related to disposition initiatives	857		0	1,553	0
Gain (loss) from net recovery and costs with legal settlement	12,000			9,600	20,500
Pension settlement charge				5,979	0
Pension
Segment Reporting Information [Line Items]
Pension settlement charge	300	$ 5,700		6,000
New Zealand Timber
Segment Reporting Information [Line Items]
Timber write-offs from casualty events					2,300
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
Total Operating Income	19,821		18,634	59,919	62,565
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
Total Operating Income	847		(557)	(4,980)	(6,475)
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
Total Operating Income	8,936		17,555	19,284	19,265
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Total Operating Income	8,632		9,187	14,284	18,720
Operating Segments | Trading
Segment Reporting Information [Line Items]
Total Operating Income	(117)		(52)	60	356
Corporate and Other (b)
Segment Reporting Information [Line Items]
Total Operating Income	$ (10,513)		$ (9,411)	$ (32,310)	$ (28,350)