COMMITMENTS (Future Minimum Payments) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) lease
Commitments [Abstract]
Remaining 2016	$ 10,309
2017	13,285
2018	8,810
2019	8,810
2020	8,810
Thereafter	34,968
Commitments, total	84,992
Purchase Obligation, Fiscal Year Maturity [Abstract]
Remaining 2016	16,094
2017	25,283
2018	18,642
2019	18,018
2020	17,513
Thereafter	195,148
Total	290,698
Operating Leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remaining 2016	976
2017	1,514
2018	770
2019	628
2020	542
Thereafter	1,633
Operating leases, total	6,063
Timberland Leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remaining 2016	4,809
2017	10,484
2018	9,062
2019	8,580
2020	8,161
Thereafter	158,547
Operating leases, total	$ 199,643
Matariki Crown Forest Licenses
Purchase Obligation, Fiscal Year Maturity [Abstract]
Future Minimum Payments Included, years	20 years
Lessee Leasing Arrangements, Operating Leases, Termination Notice, years	35 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term	1 year
Number of Leases Under Termination Notice | lease	4
Number of Leases Under Termination Notice, Expiring 2044-2049 | lease	2
Number of Leases Under Termination Notice, Expiring 2062 | lease	2