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v3.19.3.a.u2

PROPERTY AND EQUIPMENT (Narrative) (Details) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 03, 2019 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) usd_per_mcf | Sep. 30, 2018 USD ($) usd_per_mcf | Dec. 31, 2018 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Impairment of oil and natural gas properties |  | $ 571,442,000 | $ 0 | $ 571,442,000 | $ 0 |
Cumulative capitalization of general and administrative costs incurred and capitalized to the full cost pool |  | 229,600,000 |  | 229,600,000 |  |
Capitalized general and administrative costs |  | 9,800,000 | $ 10,600,000 | $ 26,300,000 | $ 28,800,000 |
Depletion per Mcfe of gas equivalent (usd per Mcfe) | usd_per_mcf |  |  |  | 1.05 | 0.94 |
Non-producing leasehold costs |  | $ 2,260,759,000 |  | $ 2,260,759,000 |  | $ 2,873,037,000
Non-producing leases, extension term |  | 5 years |  | 5 years |  |
Payments to acquire businesses | $ 9,200,000 |  |  |  |  |
Disposal group, including discontinued operation, contingent payment period | 2 years |  |  |  |  |
Asset retirement obligation, liabilities removed due to divestitures |  |  |  | $ 30,000,000.0 |  |
Minimum |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Expected number of years amortization will commence |  |  |  | 3 years |  |
Maximum |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Expected number of years amortization will commence |  |  |  | 5 years |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |
Total consideration | $ 19,700,000 |  |  |  |  |

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