SEGMENT AND GEOGRAPHICAL INFORMATION (Schedule of Depreciation, Depletion and Amortization) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	$ 37,123	$ 44,298	$ 75,999	$ 73,640
New Zealand Timber | Dispositions | Timberland
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	8,900		8,900
Real Estate | Dispositions | Timberland
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION		21,900	8,100	21,900
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	11,904	10,559	24,356	27,115
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	7,075	3,672	17,285	8,311
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	15,456	6,437	20,863	11,296
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	2,596	23,525	13,303	26,728
Operating Segments | Trading
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	0	0	0	0
Corporate and other
Segment Reporting Information [Line Items]
DEPRECIATION, DEPLETION AND AMORTIZATION	$ 92	$ 105	$ 192	$ 190