CONSOLIDATING FINANCIAL STATEMENTS - Condensed Consolidating Statements of (Loss) Income and Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Statement [Abstract]
SALES	$ 115,801	$ 163,145	$ 256,106	$ 306,332
Cost of sales	103,689	123,096	210,923	238,995
Selling and general expenses	12,727	13,861	23,626	27,098
Other operating expense (income), net	(7,138)	(11,389)	(12,713)	(11,764)
Costs and Expenses, Total	109,278	125,568	221,836	254,329
OPERATING INCOME	6,523	37,577	34,270	52,003
Interest expense	(8,483)	(15,612)	(17,027)	(26,286)
Interest and miscellaneous income (expense), net	(1,196)	(4,385)	(2,691)	(5,397)
Equity in (loss) income from subsidiaries	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(3,156)	17,580	14,552	20,320
Income tax (expense) benefit	296	(13,556)	768	(5,961)
(LOSS) INCOME FROM CONTINUING OPERATIONS	(2,860)	4,024	15,320	14,359
Income from discontinued operations, net	0	12,084	0	43,092
NET (LOSS) INCOME	(2,860)	16,108	15,320	57,451	$ 97,846
Less: Net loss attributable to noncontrolling interest	(1,324)	(245)	(891)	(328)
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(1,536)	16,353	16,211	57,779
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(25,395)	3,517	(39,717)	21,320	(15,847)
New Zealand joint venture cash flow hedges	(2,917)	(920)	(3,863)	791	$ (1,855)
Amortization of pension and postretirement plans, net of income tax	743	58,873	1,524	60,970
Total other comprehensive (loss) income	(27,569)	61,470	(42,056)	83,081
COMPREHENSIVE (LOSS) INCOME	(30,429)	77,578	(26,736)	140,532
Less: Comprehensive (loss) income attributable to noncontrolling interest	(9,731)	297	(13,522)	5,722
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(20,698)	77,281	(13,214)	134,810
Rayonier Inc. (Parent Guarantor) [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	0	0	0	0
Other operating expense (income), net	0	0	0	0
Costs and Expenses, Total	0	0	0	0
OPERATING INCOME	0	0	0	0
Interest expense	(3,169)	(3,196)	(6,337)	(6,389)
Interest and miscellaneous income (expense), net	1,871	2,733	3,807	5,431
Equity in (loss) income from subsidiaries	(238)	16,814	18,741	58,737
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(1,536)	16,351	16,211	57,779
Income tax (expense) benefit	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS		16,351		57,779
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	(1,536)	16,351	16,211	57,779
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(1,536)	16,351	16,211	57,779
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(18,008)	2,653	(28,438)	15,547
New Zealand joint venture cash flow hedges	(1,896)	(598)	(2,511)	514
Amortization of pension and postretirement plans, net of income tax	743	58,873	1,524	60,970
Total other comprehensive (loss) income	(19,161)	60,928	(29,425)	77,031
COMPREHENSIVE (LOSS) INCOME	(20,697)	77,279	(13,214)	134,810
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(20,697)	77,279	(13,214)	134,810
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | ROC (Subsidiary Guarantor) [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	6,330	2,394	11,279	4,544
Other operating expense (income), net	(461)	1,573	(461)	3,948
Costs and Expenses, Total	5,869	3,967	10,818	8,492
OPERATING INCOME	(5,869)	(3,967)	(10,818)	(8,492)
Interest expense	(131)	(225)	(223)	(468)
Interest and miscellaneous income (expense), net	817	(3,003)	1,654	(2,189)
Equity in (loss) income from subsidiaries	4,966	23,549	28,149	70,049
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(217)	16,354	18,762	58,900
Income tax (expense) benefit	(21)	460	(21)	(163)
(LOSS) INCOME FROM CONTINUING OPERATIONS		16,814		58,737
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	(238)	16,814	18,741	58,737
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(238)	16,814	18,741	58,737
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(18,008)	2,653	(28,438)	15,547
New Zealand joint venture cash flow hedges	(1,896)	(598)	(2,511)	514
Amortization of pension and postretirement plans, net of income tax	743	58,873	1,524	60,970
Total other comprehensive (loss) income	(19,161)	60,928	(29,425)	77,031
COMPREHENSIVE (LOSS) INCOME	(19,399)	77,742	(10,684)	135,768
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(19,399)	77,742	(10,684)	135,768
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | Rayonier TRS Holdings Inc. (Issuer) [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	0	0	0	0
Other operating expense (income), net	0	0	0	0
Costs and Expenses, Total	0	0	0	0
OPERATING INCOME	0	0	0	0
Interest expense	(2,409)	(10,982)	(4,841)	(17,672)
Interest and miscellaneous income (expense), net	(137)	(1,098)	(281)	(2,145)
Equity in (loss) income from subsidiaries	2,796	(54,081)	4,223	(22,951)
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	250	(66,161)	(899)	(42,768)
Income tax (expense) benefit	948	4,409	1,908	7,233
(LOSS) INCOME FROM CONTINUING OPERATIONS		(61,752)		(35,535)
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	1,198	(61,752)	1,009	(35,535)
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	1,198	(61,752)	1,009	(35,535)
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(74)	513	(926)	1,279
New Zealand joint venture cash flow hedges	(1,896)	(598)	(2,511)	514
Amortization of pension and postretirement plans, net of income tax	(5)	92,714	15	94,334
Total other comprehensive (loss) income	(1,975)	92,629	(3,422)	96,127
COMPREHENSIVE (LOSS) INCOME	(777)	30,877	(2,413)	60,592
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(777)	30,877	(2,413)	60,592
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | Non-guarantors [Member]
Income Statement [Abstract]
SALES	115,801	163,145	256,106	306,332
Cost of sales	103,689	123,096	210,923	238,995
Selling and general expenses	6,397	11,467	12,347	22,554
Other operating expense (income), net	(6,677)	(12,962)	(12,252)	(15,712)
Costs and Expenses, Total	103,409	121,601	211,018	245,837
OPERATING INCOME	12,392	41,544	45,088	60,495
Interest expense	(2,774)	(1,209)	(5,626)	(1,757)
Interest and miscellaneous income (expense), net	(3,747)	(3,017)	(7,871)	(6,494)
Equity in (loss) income from subsidiaries	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	5,871	37,318	31,591	52,244
Income tax (expense) benefit	(631)	(18,425)	(1,119)	(13,031)
(LOSS) INCOME FROM CONTINUING OPERATIONS		18,893		39,213
Income from discontinued operations, net		12,084		43,092
NET (LOSS) INCOME	5,240	30,977	30,472	82,305
Less: Net loss attributable to noncontrolling interest	(1,324)	(245)	(891)	(328)
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	6,564	31,222	31,363	82,633
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(25,395)	3,517	(39,718)	21,312
New Zealand joint venture cash flow hedges	(2,917)	(920)	(3,863)	791
Amortization of pension and postretirement plans, net of income tax	(5)	92,714	15	94,334
Total other comprehensive (loss) income	(28,317)	95,311	(43,566)	116,437
COMPREHENSIVE (LOSS) INCOME	(23,077)	126,288	(13,094)	198,742
Less: Comprehensive (loss) income attributable to noncontrolling interest	(9,730)	297	(13,522)	5,722
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(13,347)	125,991	428	193,020
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | Consolidation Adjustments [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	0	0	0	0
Other operating expense (income), net	0	0	0	0
Costs and Expenses, Total	0	0	0	0
OPERATING INCOME	0	0	0	0
Interest expense	0	0	0	0
Interest and miscellaneous income (expense), net	0	0	0	0
Equity in (loss) income from subsidiaries	(7,524)	13,718	(51,113)	(105,835)
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(7,524)	13,718	(51,113)	(105,835)
Income tax (expense) benefit	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS		13,718		(105,835)
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	(7,524)	13,718	(51,113)	(105,835)
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(7,524)	13,718	(51,113)	(105,835)
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	36,090	(5,819)	57,803	(32,365)
New Zealand joint venture cash flow hedges	5,688	1,794	7,533	(1,542)
Amortization of pension and postretirement plans, net of income tax	(733)	(244,301)	(1,554)	(249,638)
Total other comprehensive (loss) income	41,045	(248,326)	63,782	(283,545)
COMPREHENSIVE (LOSS) INCOME	33,521	(234,608)	12,669	(389,380)
Less: Comprehensive (loss) income attributable to noncontrolling interest	(1)	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	33,522	(234,608)	12,669	(389,380)
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | ROC (Subsidiary Guarantor) [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	6,330	2,394	11,279	4,544
Other operating expense (income), net	(461)	1,573	(461)	3,948
Costs and Expenses, Total	5,869	3,967	10,818	8,492
OPERATING INCOME	(5,869)	(3,967)	(10,818)	(8,492)
Interest expense	(2,540)	(11,207)	(5,064)	(18,140)
Interest and miscellaneous income (expense), net	680	(4,101)	1,373	(4,334)
Equity in (loss) income from subsidiaries	6,564	31,220	31,363	82,633
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(1,165)	11,945	16,854	51,667
Income tax (expense) benefit	927	4,869	1,887	7,070
(LOSS) INCOME FROM CONTINUING OPERATIONS		16,814		58,737
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	(238)	16,814	18,741	58,737
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(238)	16,814	18,741	58,737
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(18,008)	2,655	(28,438)	15,547
New Zealand joint venture cash flow hedges	(1,896)	(598)	(2,511)	514
Amortization of pension and postretirement plans, net of income tax	743	58,873	1,524	60,970
Total other comprehensive (loss) income	(19,161)	60,930	(29,425)	77,031
COMPREHENSIVE (LOSS) INCOME	(19,399)	77,744	(10,684)	135,768
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(19,399)	77,744	(10,684)	135,768
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Non-guarantors [Member]
Income Statement [Abstract]
SALES	115,801	163,145	256,106	306,332
Cost of sales	103,689	123,096	210,923	238,995
Selling and general expenses	6,397	11,467	12,347	22,554
Other operating expense (income), net	(6,677)	(12,962)	(12,252)	(15,712)
Costs and Expenses, Total	103,409	121,601	211,018	245,837
OPERATING INCOME	12,392	41,544	45,088	60,495
Interest expense	(2,774)	(1,209)	(5,626)	(1,757)
Interest and miscellaneous income (expense), net	(3,747)	(3,017)	(7,871)	(6,494)
Equity in (loss) income from subsidiaries	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	5,871	37,318	31,591	52,244
Income tax (expense) benefit	(631)	(18,425)	(1,119)	(13,031)
(LOSS) INCOME FROM CONTINUING OPERATIONS		18,893		39,213
Income from discontinued operations, net		12,084		43,092
NET (LOSS) INCOME	5,240	30,977	30,472	82,305
Less: Net loss attributable to noncontrolling interest	(1,324)	(245)	(891)	(328)
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	6,564	31,222	31,363	82,633
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	(25,395)	3,517	(39,718)	21,312
New Zealand joint venture cash flow hedges	(2,917)	(920)	(3,863)	791
Amortization of pension and postretirement plans, net of income tax	(5)	92,714	15	94,334
Total other comprehensive (loss) income	(28,317)	95,311	(43,566)	116,437
COMPREHENSIVE (LOSS) INCOME	(23,077)	126,288	(13,094)	198,742
Less: Comprehensive (loss) income attributable to noncontrolling interest	(9,730)	297	(13,522)	5,722
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(13,347)	125,991	428	193,020
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Consolidation Adjustments [Member]
Income Statement [Abstract]
SALES	0	0	0	0
Cost of sales	0	0	0	0
Selling and general expenses	0	0	0	0
Other operating expense (income), net	0	0	0	0
Costs and Expenses, Total	0	0	0	0
OPERATING INCOME	0	0	0	0
Interest expense	0	0	0	0
Interest and miscellaneous income (expense), net	0	0	0	0
Equity in (loss) income from subsidiaries	(6,326)	(48,034)	(50,104)	(141,370)
(LOSS) INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(6,326)	(48,034)	(50,104)	(141,370)
Income tax (expense) benefit	0	0	0	0
(LOSS) INCOME FROM CONTINUING OPERATIONS		(48,034)		(141,370)
Income from discontinued operations, net		0		0
NET (LOSS) INCOME	(6,326)	(48,034)	(50,104)	(141,370)
Less: Net loss attributable to noncontrolling interest	0	0	0	0
NET (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	(6,326)	(48,034)	(50,104)	(141,370)
Foreign currency translation adjustment, net of income tax expense of $732, $0, $1,074 and $0	36,016	(5,308)	56,877	(31,086)
New Zealand joint venture cash flow hedges	3,792	1,196	5,022	(1,028)
Amortization of pension and postretirement plans, net of income tax	(738)	(151,587)	(1,539)	(155,304)
Total other comprehensive (loss) income	39,070	(155,699)	60,360	(187,418)
COMPREHENSIVE (LOSS) INCOME	32,744	(203,733)	10,256	(328,788)
Less: Comprehensive (loss) income attributable to noncontrolling interest	(1)	0	0	0
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO RAYONIER INC.	$ 32,745	$ (203,733)	$ 10,256	$ (328,788)