TIMBERLAND ACQUISITION (Narrative) (Details) a in Thousands			1 Months Ended	3 Months Ended		9 Months Ended
	May 10, 2016 USD ($) a	Apr. 28, 2016 USD ($)	May 31, 2016 USD ($) a	Sep. 30, 2016 USD ($) a	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) a	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Acres of timberland owned | a				400		400
Acres of timberlands acquired | a	61
Purchase price	$ 263,000,000
Acquisition related costs				$ 91,000	$ 0	$ 1,306,000	$ 0
Debt carrying amount				$ 1,068,522,000		1,068,522,000
Incremental Term Loan Agreement
Business Acquisition [Line Items]
Debt instrument, term		10 years	10 years
Debt carrying amount		$ 300,000,000	$ 300,000,000
Disposal Group, Not Discontinued Operations
Business Acquisition [Line Items]
Acres of timberland divested | a			55
Consideration received from sale			$ 130,000,000
Rayonier Inc.
Business Acquisition [Line Items]
Acquisition related costs						$ 1,300,000
Menasha Forest Products Corporation
Business Acquisition [Line Items]
Acres of timberland owned | a				132		132