ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended			12 Months Ended
	Sep. 30, 2015	Sep. 30, 2015		Sep. 30, 2014	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		$ (4,825)		$ (46,139)	$ (46,139)
Other comprehensive income/(loss) before reclassifications		(56,877)			36,922
Amounts reclassified from accumulated other comprehensive loss		5,726			4,392
Net other comprehensive income/(loss)		(51,151)			41,314
Ending balance	$ (55,976)	(55,976)			(4,825)
Net losses transferred to Rayonier Advanced Materials Pension Plans					78,000
Additional losses from revaluation related to spinoff					30,000
Net periodic pension cost					5,000
Income tax expense on pension plan contributed to Rayonier Advanced Materials		0		843
Foreign currency translation gains (losses) [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		25,533		36,914	36,914
Other comprehensive income/(loss) before reclassifications		(43,420)			(11,381)
Amounts reclassified from accumulated other comprehensive loss		0			0
Net other comprehensive income/(loss)		(43,420)			(11,381)
Ending balance	(17,887)	(17,887)			25,533
Net investment hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(145)		0	0
Other comprehensive income/(loss) before reclassifications		6,319			(145)
Amounts reclassified from accumulated other comprehensive loss		0			0
Net other comprehensive income/(loss)		6,319			(145)
Ending balance	6,174	6,174			(145)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(1,548)		(342)	(342)
Other comprehensive income/(loss) before reclassifications		(19,776)			510
Amounts reclassified from accumulated other comprehensive loss		3,312		(1,086)	(1,716)
Net other comprehensive income/(loss)		(16,464)			(1,206)
Ending balance	(18,012)	(18,012)			(1,548)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss		(3,312)		1,929
Income tax expense on pension plan contributed to Rayonier Advanced Materials					1,000
Unrecognized components of employee benefit plans [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(28,665)		$ (82,711)	(82,711)
Other comprehensive income/(loss) before reclassifications		0			47,938	[1]
Amounts reclassified from accumulated other comprehensive loss		2,414	[2]		6,108	[3]
Net other comprehensive income/(loss)		2,414			54,046
Ending balance	(26,251)	$ (26,251)			$ (28,665)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Other comprehensive (loss) income [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Designated hedged item, gain (loss) recognized in other comprehensive income	$ 13,600

[1] Reflects $78 million, net of taxes, of comprehensive income due to the transfer of losses to Rayonier Advanced Materials Pension Plans. This comprehensive income was offset by $30 million, net of taxes, of losses as a result of revaluations required at December 31, 2014 due to the spin-off. See Note 22 — Employee Benefit Plans in the 2014 Form 10-K for additional information.

[2] This component of other comprehensive income is included in the computation of net periodic pension cost. See Note 14 — Employee Benefit Plans for additional information.

[3] This accumulated other comprehensive income component is comprised of $5 million from the computation of net periodic pension cost and the $1 million write-off of a deferred tax asset related to the revaluation and transfer of liabilities as a result of the spin-off.