CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
SALES	$ 177,946	$ 171,421	$ 559,178	$ 567,814
Costs and Expenses
Cost of sales	136,583	116,624	416,683	362,790
Selling and general expenses	9,936	10,607	29,771	31,638
Other operating income, net (Note 14)	(7,844)	(5,499)	(22,702)	(20,867)
Costs and Expenses, Total	138,675	121,732	423,752	373,561
OPERATING INCOME	39,271	49,689	135,426	194,253
Interest expense	(8,553)	(8,544)	(25,600)	(23,603)
Interest income and miscellaneous income (expense), net	1,128	258	1,650	(1,115)
INCOME BEFORE INCOME TAXES	31,846	41,403	111,476	169,535
Income tax expense (Note 7)	(3,043)	(779)	(16,817)	(2,274)
NET INCOME	28,803	40,624	94,659	167,261	$ 217,770
Less: Net income attributable to noncontrolling interest	4,115	1,269	9,968	3,613
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	24,688	39,355	84,691	163,648
OTHER COMPREHENSIVE (LOSS) INCOME
Foreign currency translation adjustment, net of income tax expense of $0, $0, $0 and $0	(7,317)	12,022	16,599	28,046	6,322
Cash flow hedges, net of income tax (expense) benefit of ($614), $229, $534 and $1,293	(2,162)	4,195	(1,597)	(22,055)	22,822
Amortization of pension and postretirement plans, net of income tax expense of $0, $0, $0 and $0	116	632	349	1,881	$ 5,533
Total other comprehensive (loss) income	(9,363)	16,849	15,351	7,872
COMPREHENSIVE INCOME	19,440	57,473	110,010	175,133
Less: Comprehensive income attributable to noncontrolling interest	2,289	3,649	13,537	11,808
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	$ 17,151	$ 53,824	$ 96,473	$ 163,325
EARNINGS PER COMMON SHARE (Note 10)
Basic earnings per share attributable to Rayonier Inc. (in dollars per share)	$ 0.19	$ 0.32	$ 0.67	$ 1.34
Diluted earnings per share attributable to Rayonier Inc. (in dollars per share)	0.19	0.32	0.67	1.33
Dividends declared per share (in dollars per share)	$ 0.25	$ 0.25	$ 0.75	$ 0.75	$ 1.00