Quarterly Results for 2015 and 2014 (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Sales	$ 137,111	$ 151,657	$ 115,801	$ 140,305	$ 147,360	$ 149,829	$ 163,145	$ 143,187	$ 544,874	$ 603,521	$ 659,718
Cost of sales	114,132	116,044	103,689	107,234	126,776	118,088	123,096	115,900	441,099	483,860	530,772
Income from continuing operations					8,025	32,059	4,024	10,335	43,941	54,443	105,843
Income from discontinued operations					311	0	12,084	31,008		43,403	267,955
NET INCOME	9,440	19,181	(2,860)	18,180	8,336	32,059	16,108	41,343	43,941	97,846	373,798
Net income (loss) attributable to Rayonier Inc.	$ 10,285	$ 19,669	$ (1,536)	$ 17,747	$ 8,857	$ 32,701	$ 16,353	$ 41,426	$ 46,165	$ 99,337	$ 371,896
Basic EPS attributable to Rayonier Inc.
Continuing Operations (in dollars per share)					$ 0.07	$ 0.26	$ 0.03	$ 0.08	$ 0.37	$ 0.44	$ 0.83
Discontinued Operations (in dollars per share)					0.00	0.00	0.10	0.25		0.34
Net Income (in dollars per share)	$ 0.08	$ 0.16	$ (0.01)	$ 0.14	0.07	0.26	0.13	0.33	0.37	0.78	2.96
Diluted EPS attributable to Rayonier Inc.
Continuing Operations (in dollars per share)					0.07	0.25	0.03	0.08	0.37	0.43	0.80
Discontinued Operations (in dollars per share)					0.00	0.00	0.09	0.24	0.00	0.33	2.06
Net income (in dollars per share)	$ 0.08	$ 0.16	$ (0.01)	$ 0.14	$ 0.07	$ 0.25	$ 0.12	$ 0.32	$ 0.37	$ 0.76	$ 2.86