COMMITMENTS (Future Minimum Payments) (Details) $ in Thousands	9 Months Ended
Sep. 30, 2018 USD ($) lease
Commitments
Remaining 2018	$ 5,480
2019	3,239
2020	787
2021	612
2022	587
Thereafter	929
Commitments, total	11,634
Total
Remaining 2018	9,699
2019	13,089
2020	10,104
2021	9,762
2022	9,351
Thereafter	144,522
Total	196,527
Pension contribution requirements remaining in fiscal year	$ 500
Matariki Crown Forest Licenses
Total
Future minimum payments	20 years
Number of leases under termination notice \| lease	2
Number of leases expiring in 2062 \| lease	2
Operating Leases
Leases
Remaining 2018	$ 331
2019	1,173
2020	1,017
2021	849
2022	701
Thereafter	717
Operating leases, total	4,788
Timberland Leases
Leases
Remaining 2018	3,888
2019	8,677
2020	8,300
2021	8,301
2022	8,063
Thereafter	142,876
Operating leases, total	$ 180,105
Timberland Leases \| Matariki Crown Forest Licenses
Total
Operating lease, termination notice	35 years
Operating lease, renewal term	1 year

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