LEASES (Narrative) (Details) |
Jun. 30, 2020 |
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| Lessee, Lease, Description [Line Items] | |
| Weighted average remaining lease term | 9 months 29 days |
| Weighted-average discount rate - operating leases | 2.47% |
| 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 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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