SEGMENT AND GEOGRAPHICAL INFORMATION (Schedule of Segment Sales) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
SALES	$ 156,417	$ 200,890	$ 532,764	$ 649,991
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
SALES	41,282	39,662	148,325	131,298
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
SALES	18,766	27,815	57,856	91,402
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
SALES	61,999	66,265	181,257	188,882
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
SALES	9,212	36,168	52,744	122,092
Operating Segments | Trading
Segment Reporting Information [Line Items]
SALES	25,192	31,010	92,719	116,383
Intersegment Eliminations
Segment Reporting Information [Line Items]
SALES	$ (34)	$ (30)	$ (137)	$ (66)