MERGER WITH POPE RESOURCES - Schedule of Unaudited Pro Forma Information (Details) - Merger with Pope Resources - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Business Acquisition [Line Items]
Sales	$ 198,975	$ 684,900
Net income attributable to Rayonier Inc.	$ (1,110)	$ 25,800
Basic earnings per share/unit (in dollars per share/unit)	$ (0.01)	$ 0.19
Diluted earnings per share/unit (in dollars per share/unit)	$ (0.01)	$ 0.19
Rayonier Limited Partnership
Business Acquisition [Line Items]
Net income attributable to Rayonier Inc.	$ (1,147)	$ 26,648
Basic earnings per share/unit (in dollars per share/unit)	$ (0.01)	$ 0.19
Diluted earnings per share/unit (in dollars per share/unit)	$ (0.01)	$ 0.19