LEASES (Narrative) (Details) a in Thousands	9 Months Ended
	Sep. 30, 2020 a lease fund
Crown Forest Licenses
Lessee, Lease, Description [Line Items]
Operating leases, renewal term	1 year
Minimum | Timberland Leases | Crown Forest Licenses
Lessee, Lease, Description [Line Items]
Lease termination period	35 years
Minimum | Timberland Leases | Forestry Right
Lessee, Lease, Description [Line Items]
Lease termination period	35 years
Maximum | Timberland Leases | Forestry Right
Lessee, Lease, Description [Line Items]
Lease termination period	45 years
United States | Minimum | Timberland Leases
Lessee, Lease, Description [Line Items]
Contract terms, in years	30 years
United States | Maximum | Timberland Leases
Lessee, Lease, Description [Line Items]
Contract terms, in years	65 years
New Zealand | Crown Forest Licenses
Lessee, Lease, Description [Line Items]
Number of leases under termination notice | fund	2
Leases under termination notice, gross acres	9
Leases under termination notice, net plantable acres	8
New Zealand | Forestry Right
Lessee, Lease, Description [Line Items]
Number of leases under termination notice | lease	2
Leases under termination notice, gross acres	32
Leases under termination notice, net plantable acres	8
New Zealand | Fixed-Term Crown Forest Licenses
Lessee, Lease, Description [Line Items]
Number of leases under termination notice | lease	2
Leases under termination notice, gross acres	3
Leases under termination notice, net plantable acres	2
New Zealand | Minimum | Timberland Leases
Lessee, Lease, Description [Line Items]
Contract terms, in years	30 years
New Zealand | Maximum | Timberland Leases
Lessee, Lease, Description [Line Items]
Contract terms, in years	99 years