EARNINGS PER SHARE AND PER UNIT (Antidilutive Securities) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the computations of diluted (loss) earnings per share (in shares/units)	635,779	451,258	521,053	444,765
Rayonier Limited Partnership
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the computations of diluted (loss) earnings per share (in shares/units)	635,779	451,258	521,053	444,765
Stock options, performance shares, restricted shares and restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the computations of diluted (loss) earnings per share (in shares/units)	635,779	451,258	521,053	444,765
Stock options, performance shares, restricted shares and restricted stock units | Rayonier Limited Partnership
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from the computations of diluted (loss) earnings per share (in shares/units)	635,779	451,258	521,053	444,765