EARNINGS PER SHARE AND PER UNIT - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income	$ 15,032	$ 26,421
Less: Net income attributable to noncontrolling interests in the Operating Partnership	(341)	0
Less: Net income attributable to noncontrolling interests in consolidated affiliates	(3,843)	(567)
Net income attributable to Rayonier Inc.	$ 10,848	$ 25,854
Denominator:
Denominator for basic earnings per common share - weighted average shares (in shares)	137,870,821	129,137,494
Basic earnings per common share attributable to Rayonier Inc (in dollars per share)	$ 0.08	$ 0.20
Numerator:
Net income	$ 15,032	$ 26,421
Less: Net income attributable to noncontrolling interests in the Operating Partnership	341	0
Less: Net income attributable to noncontrolling interests in consolidated affiliates	3,843	567
Net income attributable to Rayonier Inc., before net income attributable to noncontrolling interests in the Operating Partnership	$ 11,189	$ 25,854
Denominator:
Denominator for basic earnings per common share - weighted average shares (in shares)	137,870,821	129,137,494
Add: Dilutive effect of:
Stock options (in shares/units)	4,051	1,075
Performance shares,restricted shares and restricted stock units (in shares/units)	353,131	209,481
Noncontrolling interest in common units (in shares)	4,330,794	0
Denominator for diluted (loss) earnings per common share - adjusted weighted average shares (in shares/units)	142,558,797	129,348,050
Diluted earnings per common share attributable to Rayonier Inc. (in dollars per share)	$ 0.08	$ 0.20
Rayonier Limited Partnership
Numerator:
Net income	$ 15,032	$ 26,421
Less: Net income attributable to noncontrolling interests in consolidated affiliates	(3,843)	(567)
Net income attributable to Rayonier Inc.	$ 11,189	$ 25,854
Denominator:
Denominator for basic earnings per unit - weighted average units (in units)	142,201,615	129,137,494
Basic earnings per unit attributable to Rayonier, L.P. (in dollars per unit)	$ 0.08	$ 0.20
Numerator:
Net income	$ 15,032	$ 26,421
Less: Net income attributable to noncontrolling interests in consolidated affiliates	$ 3,843	$ 567
Denominator:
Denominator for basic earnings per unit - weighted average units (in units)	142,201,615	129,137,494
Add: Dilutive effect of:
Stock options (in shares/units)	4,051	1,075
Performance shares,restricted shares and restricted stock units (in shares/units)	353,131	209,481
Denominator for diluted (loss) earnings per common share - adjusted weighted average shares (in shares/units)	142,558,797	129,348,050
Diluted earnings per unit attributable to Rayonier, L.P. (in dollars per unit)	$ 0.08	$ 0.20