COMMITMENTS (Future Minimum Payments) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($) lease
Recorded Unconditional Purchase Obligation, Fiscal Year Maturity Schedule [Abstract]
Remaining 2016	$ 3,512
2017	3,358
2018	3,163
2019	3,163
2020	3,163
Thereafter	10,724
Purchase obligation, total	27,083
Purchase Obligation, Fiscal Year Maturity [Abstract]
Remaining 2016	12,223
2017	15,603
2018	13,201
2019	12,572
2020	12,045
Thereafter	171,103
Total	236,747
Operating Leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remaining 2016	1,449
2017	1,473
2018	763
2019	620
2020	534
Thereafter	1,613
Operating leases, total	6,452
Timberland Leases
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remaining 2016	7,262
2017	10,772
2018	9,275
2019	8,789
2020	8,348
Thereafter	158,766
Operating leases, total	$ 203,212
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