Cover Page - shares	9 Months Ended
	Sep. 30, 2019	Oct. 25, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-6780
Entity Registrant Name	RAYONIER INC.
Entity Incorporation, State or Country Code	NC
Entity Tax Identification Number	13-2607329
Entity Address, Address Line One	1 RAYONIER WAY
Entity Address, City or Town	WILDLIGHT
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32097
City Area Code	904
Local Phone Number	357-9100
Title of 12(b) Security	COMMON SHARES, NO PAR VALUE
Trading Symbol	RYN
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		129,313,473
Entity Central Index key	0000052827
Current Fiscal year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false