SEGMENT AND GEOGRAPHICAL INFORMATION Schedule of Segment Reporting Information, by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013		Dec. 31, 2013
Segment Reporting Information [Line Items]
ASSETS	$ 2,635,957				$ 2,635,957				$ 3,685,501
SALES	163,145		154,889		306,332		261,942
OPERATING INCOME	39,568		32,351		55,962		53,754
Gain on consolidation					0		16,098
DEPRECIATION, DEPLETION AND AMORTIZATION	28,342		30,053		54,452		50,857
New Zealand Joint Venture [Member]
Segment Reporting Information [Line Items]
Gain on consolidation			16,100				16,100
Corporate and Other [Member]
Segment Reporting Information [Line Items]
ASSETS	226,663				226,663				257,608
OPERATING INCOME	(9,974)	[1]	3,735	[1]	(21,409)	[1]	(5,057)	[1]
DEPRECIATION, DEPLETION AND AMORTIZATION	341		293		623		476
Forest Resources [Member]
Segment Reporting Information [Line Items]
ASSETS	2,288,157				2,288,157				2,162,913
SALES	101,120		109,060		205,799		166,162
OPERATING INCOME	21,578		20,890		49,079		34,145
DEPRECIATION, DEPLETION AND AMORTIZATION	21,911		27,291		46,843		43,735
Real Estate [Member]
Segment Reporting Information [Line Items]
ASSETS	96,277				96,277				149,001
SALES	34,017		13,376		39,547		37,673
OPERATING INCOME	28,096		6,105		28,836		22,947
DEPRECIATION, DEPLETION AND AMORTIZATION	6,090		2,469		6,986		6,646
Other Operations [Member]
Segment Reporting Information [Line Items]
ASSETS	24,860				24,860				37,334
SALES	29,224		32,709		64,910		58,458
OPERATING INCOME	(132)		1,621		(544)		1,719
Performance Fibers business [Member]
Segment Reporting Information [Line Items]
ASSETS	0				0				1,078,645
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
SALES	$ (1,216)		$ (256)		$ (3,924)		$ (351)

[1] The three and six months ended June 30, 2013 included a $16.1 million gain related to the consolidation of the New Zealand JV.