PROPERTY AND EQUIPMENT (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Property, Plant and Equipment [Abstract] | ||
| Oil and natural gas properties | $ 10,551,713 | $ 10,026,836 |
| Other depreciable property and equipment | 90,712 | 87,146 |
| Land | 5,521 | 5,521 |
| Total property and equipment | 10,647,946 | 10,119,503 |
| Accumulated depletion, depreciation, amortization and impairment | (5,616,988) | (4,640,098) |
| Property and equipment, net | $ 5,030,958 | $ 5,479,405 |
| X | ||||||||||
- Definition Property, Plant and Equipment, Other, Gross, Excluding Land No definition available.
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| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Oil and gas properties, gross, carried under the full cost method. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business 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 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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