Quarterly report pursuant to Section 13 or 15(d)

LEASES (Narrative) (Details)

v3.20.2
LEASES (Narrative) (Details)
Sep. 30, 2020
Lessee, Lease, Description [Line Items]  
Weighted average remaining lease term 9 months 21 days
Weighted-average discount rate - operating leases 2.65%
Minimum  
Lessee, Lease, Description [Line Items]  
Lease term 1 year
Minimum | Drilling Rig  
Lessee, Lease, Description [Line Items]  
Lease term 1 year
Maximum  
Lessee, Lease, Description [Line Items]  
Lease term 5 years
Maximum | Drilling Rig  
Lessee, Lease, Description [Line Items]  
Lease term 2 years