SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Total Operating Income	$ 45,318	$ 28,485
Unallocated interest expense and other	(8,805)	(10,032)
Total Income before Income Taxes	36,513	18,453
Timber Funds, Portion Attributable To Noncontrolling Interests
Segment Reporting Information [Line Items]
Total Operating Income		(1,100)
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
Total Operating Income	30,342	17,347
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
Total Operating Income	6,606	1,350
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
Total Operating Income	5,392	13,944
Operating Segments | Timber Funds
Segment Reporting Information [Line Items]
Total Operating Income	0	1,501
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Total Operating Income	10,181	1,687
Operating Segments | Trading
Segment Reporting Information [Line Items]
Total Operating Income	351	244
Corporate and Other
Segment Reporting Information [Line Items]
Total Operating Income	$ (7,554)	$ (7,588)