SEGMENT AND GEOGRAPHICAL INFORMATION Schedule of Segment Reporting Information, by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended							6 Months Ended	9 Months Ended
	Sep. 30, 2014		Jun. 30, 2014	Mar. 31, 2014		Sep. 30, 2013		Jun. 30, 2014	Sep. 30, 2014		Sep. 30, 2013		Dec. 31, 2013
Segment Reporting Information [Line Items]
ASSETS	$ 2,477,559								$ 2,477,559				$ 3,685,501
SALES	149,829					159,261			456,161		421,203
OPERATING INCOME	32,079		37,577	63,039	[1]	19,969		52,003	84,082		73,723
Gain on consolidation									0		16,098
DEPRECIATION, DEPLETION AND AMORTIZATION	34,042					30,811			92,454		81,668
New Zealand Joint Venture [Member]
Segment Reporting Information [Line Items]
Gain on consolidation											16,100
Corporate and Other [Member]
Segment Reporting Information [Line Items]
ASSETS	182,012								182,012				257,608
OPERATING INCOME	(6,010)	[2]				(10,361)	[2]		(27,418)	[2]	(15,418)	[2]
DEPRECIATION, DEPLETION AND AMORTIZATION	123					262			747		738
Forest Resources [Member]
Segment Reporting Information [Line Items]
ASSETS	2,160,615								2,160,615				2,162,913
SALES	108,024					111,260			313,822		277,422
OPERATING INCOME	19,191					23,172			64,657		57,317
DEPRECIATION, DEPLETION AND AMORTIZATION	30,112					28,475			80,567		72,210
Real Estate [Member]
Segment Reporting Information [Line Items]
ASSETS	110,825								110,825				149,001
SALES	26,689					14,088			66,236		51,761
OPERATING INCOME	16,399					7,521			44,888		30,468
DEPRECIATION, DEPLETION AND AMORTIZATION	3,807					2,074			11,140		8,720
Other Operations [Member]
Segment Reporting Information [Line Items]
ASSETS	24,107								24,107				37,334
SALES	15,116					34,015			80,027		92,472
OPERATING INCOME	2,499					(363)			1,955		1,356
Performance Fibers business [Member]
Segment Reporting Information [Line Items]
ASSETS	0								0				1,078,645
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
SALES	$ 0					$ (102)			$ (3,924)		$ (452)

[1] Includes the Performance Fibers business that was spun-off on June 27, 2014.

[2] The nine months ended September 30, 2013 included a $16.1 million gain related to the consolidation of the New Zealand JV.