PROPERTY AND EQUIPMENT (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Property, Plant and Equipment [Abstract] | ||
| Oil and natural gas properties | $ 10,786,305 | $ 10,595,735 |
| Accumulated DD&A and impairment | (8,735,750) | (7,191,957) |
| Oil and natural gas properties, net | 2,050,555 | 3,403,778 |
| Other depreciable property and equipment | 91,101 | 91,198 |
| Land | 4,820 | 5,521 |
| Accumulated DD&A | (43,954) | (36,703) |
| Other property and equipment, net | 51,967 | 60,016 |
| Property and equipment, net | $ 2,102,522 | $ 3,463,794 |
| X | ||||||||||
- Definition Property, Plant and Equipment, Other, Accumulated Depreciation, Depletion, And Amortization No definition available.
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| X | ||||||||||
- Definition Property, Plant and Equipment, Other, Gross, Excluding Land No definition available.
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| X | ||||||||||
- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Depletion of oil and gas property carried under the full cost method. No definition available.
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| X | ||||||||||
- Definition Oil and gas properties, gross, carried under the full cost method. No definition available.
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| X | ||||||||||
- Definition Oil and gas properties, net of depletion, carried under the full cost method. No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. No definition available.
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