CONSOLIDATING FINANCIAL STATEMENTS - Condensed Consolidating Statements of Income and Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Income Statement [Abstract]
SALES	$ 140,305	$ 143,187
Cost of sales	107,234	115,900
Selling and general expenses	10,898	13,237
Other operating expense (income), net	(5,574)	(375)
Costs and Expenses, Total	112,558	128,762
OPERATING INCOME	27,747	14,425
Interest expense	(8,544)	(10,675)
Interest and miscellaneous income (expense), net	(1,494)	(1,011)
Equity in income from subsidiaries	0	0
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	17,709	2,739
Income tax benefit	471	7,596
INCOME FROM CONTINUING OPERATIONS	18,180	10,335
Income from discontinued operations, net	0	31,008
NET INCOME	18,180	41,343	97,846
Less: Net loss attributable to noncontrolling interest	433	(83)
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	17,747	41,426
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(14,323)	17,803	(15,847)
New Zealand joint venture cash flow hedges	(946)	1,711	(1,855)
Amortization of pension and postretirement plans, net of income tax	781	2,097
Total other comprehensive (loss) income	(14,488)	21,611
COMPREHENSIVE INCOME	3,692	62,954
Less: Comprehensive (loss) income attributable to noncontrolling interest	(3,791)	5,425
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	7,483	57,529
Rayonier Inc. (Parent Guarantor) [Member]
Income Statement [Abstract]
SALES	0	0
Cost of sales	0	0
Selling and general expenses	0	0
Other operating expense (income), net	0	0
Costs and Expenses, Total	0	0
OPERATING INCOME	0	0
Interest expense	(3,168)	(3,193)
Interest and miscellaneous income (expense), net	1,936	2,698
Equity in income from subsidiaries	18,979	41,921
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	17,747	41,426
Income tax benefit	0	0
INCOME FROM CONTINUING OPERATIONS		41,426
Income from discontinued operations, net		0
NET INCOME	17,747	41,426
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	17,747	41,426
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(10,430)	12,894
New Zealand joint venture cash flow hedges	(615)	1,112
Amortization of pension and postretirement plans, net of income tax	781	2,097
Total other comprehensive (loss) income	(10,264)	16,103
COMPREHENSIVE INCOME	7,483	57,529
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	7,483	57,529
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
Cost of sales	0	0
Selling and general expenses	4,949	2,150
Other operating expense (income), net	0	2,375
Costs and Expenses, Total	4,949	4,525
OPERATING INCOME	(4,949)	(4,525)
Interest expense	(92)	(243)
Interest and miscellaneous income (expense), net	837	814
Equity in income from subsidiaries	23,183	46,478
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	18,979	42,524
Income tax benefit	0	(603)
INCOME FROM CONTINUING OPERATIONS		41,921
Income from discontinued operations, net		0
NET INCOME	18,979	41,921
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	18,979	41,921
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(10,430)	12,893
New Zealand joint venture cash flow hedges	(615)	1,112
Amortization of pension and postretirement plans, net of income tax	781	2,097
Total other comprehensive (loss) income	(10,264)	16,102
COMPREHENSIVE INCOME	8,715	58,023
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	8,715	58,023
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
Cost of sales	0	0
Selling and general expenses	0	0
Other operating expense (income), net	0	0
Costs and Expenses, Total	0	0
OPERATING INCOME	0	0
Interest expense	(2,432)	(6,690)
Interest and miscellaneous income (expense), net	(144)	(1,047)
Equity in income from subsidiaries	1,427	31,110
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(1,149)	23,373
Income tax benefit	960	2,824
INCOME FROM CONTINUING OPERATIONS		26,197
Income from discontinued operations, net		0
NET INCOME	(189)	26,197
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	(189)	26,197
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(852)	766
New Zealand joint venture cash flow hedges	(615)	1,112
Amortization of pension and postretirement plans, net of income tax	20	1,620
Total other comprehensive (loss) income	(1,447)	3,498
COMPREHENSIVE INCOME	(1,636)	29,695
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	(1,636)	29,695
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | Non-guarantors [Member]
Income Statement [Abstract]
SALES	140,305	143,187
Cost of sales	107,234	115,900
Selling and general expenses	5,949	11,087
Other operating expense (income), net	(5,574)	(2,750)
Costs and Expenses, Total	107,609	124,237
OPERATING INCOME	32,696	18,950
Interest expense	(2,852)	(549)
Interest and miscellaneous income (expense), net	(4,123)	(3,476)
Equity in income from subsidiaries	0	0
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	25,721	14,925
Income tax benefit	(489)	5,375
INCOME FROM CONTINUING OPERATIONS		20,300
Income from discontinued operations, net		31,008
NET INCOME	25,232	51,308
Less: Net loss attributable to noncontrolling interest	433	(83)
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	24,799	51,391
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(14,323)	17,795
New Zealand joint venture cash flow hedges	(946)	1,711
Amortization of pension and postretirement plans, net of income tax	20	1,620
Total other comprehensive (loss) income	(15,249)	21,126
COMPREHENSIVE INCOME	9,983	72,434
Less: Comprehensive (loss) income attributable to noncontrolling interest	(3,791)	5,425
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	13,774	67,009
Senior Exchangeable Notes due August 2015 at a fixed interest rate of 4.50% [Member] | Consolidation Adjustments [Member]
Income Statement [Abstract]
SALES	0	0
Cost of sales	0	0
Selling and general expenses	0	0
Other operating expense (income), net	0	0
Costs and Expenses, Total	0	0
OPERATING INCOME	0	0
Interest expense	0	0
Interest and miscellaneous income (expense), net	0	0
Equity in income from subsidiaries	(43,589)	(119,509)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(43,589)	(119,509)
Income tax benefit	0	0
INCOME FROM CONTINUING OPERATIONS		(119,509)
Income from discontinued operations, net		0
NET INCOME	(43,589)	(119,509)
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	(43,589)	(119,509)
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	21,712	(26,545)
New Zealand joint venture cash flow hedges	1,845	(3,336)
Amortization of pension and postretirement plans, net of income tax	(821)	(5,337)
Total other comprehensive (loss) income	22,736	(35,218)
COMPREHENSIVE INCOME	(20,853)	(154,727)
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	(20,853)	(154,727)
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | ROC (Subsidiary Guarantor) [Member]
Income Statement [Abstract]
SALES	0	0
Cost of sales	0	0
Selling and general expenses	4,949	2,150
Other operating expense (income), net	0	2,375
Costs and Expenses, Total	4,949	4,525
OPERATING INCOME	(4,949)	(4,525)
Interest expense	(2,524)	(6,933)
Interest and miscellaneous income (expense), net	693	(233)
Equity in income from subsidiaries	24,799	51,391
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	18,019	39,700
Income tax benefit	960	2,221
INCOME FROM CONTINUING OPERATIONS		41,921
Income from discontinued operations, net		0
NET INCOME	18,979	41,921
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	18,979	41,921
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(10,430)	12,892
New Zealand joint venture cash flow hedges	(615)	1,112
Amortization of pension and postretirement plans, net of income tax	781	2,097
Total other comprehensive (loss) income	(10,264)	16,101
COMPREHENSIVE INCOME	8,715	58,022
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	8,715	58,022
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Non-guarantors [Member]
Income Statement [Abstract]
SALES	140,305	143,187
Cost of sales	107,234	115,900
Selling and general expenses	5,949	11,087
Other operating expense (income), net	(5,574)	(2,750)
Costs and Expenses, Total	107,609	124,237
OPERATING INCOME	32,696	18,950
Interest expense	(2,852)	(549)
Interest and miscellaneous income (expense), net	(4,123)	(3,476)
Equity in income from subsidiaries	0	0
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	25,721	14,925
Income tax benefit	(489)	5,375
INCOME FROM CONTINUING OPERATIONS		20,300
Income from discontinued operations, net		31,008
NET INCOME	25,232	51,308
Less: Net loss attributable to noncontrolling interest	433	(83)
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	24,799	51,391
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	(14,323)	17,795
New Zealand joint venture cash flow hedges	(946)	1,711
Amortization of pension and postretirement plans, net of income tax	20	1,620
Total other comprehensive (loss) income	(15,249)	21,126
COMPREHENSIVE INCOME	9,983	72,434
Less: Comprehensive (loss) income attributable to noncontrolling interest	(3,791)	5,425
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	13,774	67,009
Senior Notes due 2022 at a fixed interest rate of 3.75% [Member] | Consolidation Adjustments [Member]
Income Statement [Abstract]
SALES	0	0
Cost of sales	0	0
Selling and general expenses	0	0
Other operating expense (income), net	0	0
Costs and Expenses, Total	0	0
OPERATING INCOME	0	0
Interest expense	0	0
Interest and miscellaneous income (expense), net	0	0
Equity in income from subsidiaries	(43,778)	(93,312)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(43,778)	(93,312)
Income tax benefit	0	0
INCOME FROM CONTINUING OPERATIONS		(93,312)
Income from discontinued operations, net		0
NET INCOME	(43,778)	(93,312)
Less: Net loss attributable to noncontrolling interest	0	0
NET INCOME ATTRIBUTABLE TO RAYONIER INC.	(43,778)	(93,312)
Foreign currency translation adjustment, net of income tax benefit of $343 and $0	20,860	(25,778)
New Zealand joint venture cash flow hedges	1,230	(2,224)
Amortization of pension and postretirement plans, net of income tax	(801)	(3,717)
Total other comprehensive (loss) income	21,289	(31,719)
COMPREHENSIVE INCOME	(22,489)	(125,031)
Less: Comprehensive (loss) income attributable to noncontrolling interest	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO RAYONIER INC.	$ (22,489)	$ (125,031)