SEGMENT AND GEOGRAPHICAL INFORMATION (Schedule of Non-Cash Cost of Land and Improved Development) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	$ 4,336	$ 4,594	$ 11,916	$ 9,532
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	0	0	0	0
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	0	0	0	0
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	0	0	1,824	0
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	4,336	4,594	10,092	9,532
Operating Segments | Trading
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	0	0	0	0
Corporate and other
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development	$ 0	$ 0	0	$ 0
Timberland | Disposal Group, Not Discontinued Operations | Real Estate
Segment Reporting Information [Line Items]
Non-cash cost of Improved Development			$ 1,800