HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Real Estate, Land and Land Development Costs [Roll Forward]
Non-current portion, Beginning Balance	$ 70,374
Plus: Current portion, Beginning Balance	17,059
Total Balance, Beginning Balance	87,433
Non-cash cost of land and improved development	(446)
Timber depletion from harvesting activities and basis of timber sold in real estate sales	(359)
Capitalized real estate development investments	2,185
Capital expenditures (silviculture)	88
Intersegment transfers	4,144
Total Balance, Ending Balance	93,045
Less: Current portion, Ending Balance	(19,332)
Non-current portion, Ending Balance	73,713
Capitalized interest	100
Land and Timber
Real Estate, Land and Land Development Costs [Roll Forward]
Non-current portion, Beginning Balance	59,956
Plus: Current portion, Beginning Balance	5,096
Total Balance, Beginning Balance	65,052
Non-cash cost of land and improved development	(438)
Timber depletion from harvesting activities and basis of timber sold in real estate sales	(359)
Capitalized real estate development investments	0
Capital expenditures (silviculture)	88
Intersegment transfers	4,144
Total Balance, Ending Balance	68,487
Less: Current portion, Ending Balance	(5,678)
Non-current portion, Ending Balance	62,809
Development Investments
Real Estate, Land and Land Development Costs [Roll Forward]
Non-current portion, Beginning Balance	10,418
Plus: Current portion, Beginning Balance	11,963
Total Balance, Beginning Balance	22,381
Non-cash cost of land and improved development	(8)
Timber depletion from harvesting activities and basis of timber sold in real estate sales	0
Capitalized real estate development investments	2,185
Capital expenditures (silviculture)	0
Intersegment transfers	0
Total Balance, Ending Balance	24,558
Less: Current portion, Ending Balance	(13,654)
Non-current portion, Ending Balance	$ 10,904