MERGER WITH POPE RESOURCES - Schedule of Unaudited Pro Forma Information (Details) - Merger with Pope Resources $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares
Business Acquisition [Line Items]
Sales | $	$ 283,500
Net income attributable to Rayonier Inc. | $	$ 18,398
Basic earnings per share/unit (in dollars per share/unit)	$ 0.13
Diluted earnings per share/unit (in dollars per share/unit)	$ 0.13
Rayonier Limited Partnership
Business Acquisition [Line Items]
Net income attributable to Rayonier Inc. | $	$ 18,998
Basic earnings per share/unit (in dollars per share/unit)	$ 0.13
Diluted earnings per share/unit (in dollars per share/unit)	$ 0.13