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ACQUISITIONS AND DIVESTITURES-Pecos County Consideration (Details) $ in Thousands | Dec. 13, 2017 USD ($) | Feb. 28, 2017 USD ($) $ / Mcf $ / Boe $ / bbl | Jan. 24, 2017 | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Nov. 01, 2017 USD ($) | Sep. 09, 2016 USD ($)
--- | --- | --- | --- | --- | --- | --- | ---
Estimated Fair Value of Assets Acquired: |  |  |  |  |  |  |
Evaluated oil and natural gas properties |  |  |  | $ 1,470,509 | $ 877,316 |  | $ 1,214,129
Other operating property and equipment |  |  |  | $ 130,251 | $ 101,282 |  | $ 38,071
8% Convertible Preferred Stock |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Dividend rate (as a percent) |  |  | 8.00% |  |  |  |
Pecos County Assets |  |  |  |  |  |  |
Consideration paid for acquisition and the estimated values of assets acquired and liabilities assumed |  |  |  |  |  |  |
Cash consideration paid to Samson at closing |  | $ 703,865 |  |  |  |  |
Less: Post-effective closing date adjustments |  | (4,677) |  |  |  |  |
Final estimated consideration transferred |  | 699,188 |  |  |  |  |
Plus: Estimated Fair Value of Liabilities Assumed: |  |  |  |  |  |  |
Current liabilities |  | 839 |  |  |  |  |
Asset retirement obligations |  | 2,116 |  |  |  |  |
Amount attributable to liabilities assumed |  | 2,955 |  |  |  |  |
Total purchase price plus liabilities assumed |  | 702,143 |  |  |  |  |
Estimated Fair Value of Assets Acquired: |  |  |  |  |  |  |
Evaluated oil and natural gas properties |  | 188,275 |  |  |  |  |
Unevaluated oil and natural gas properties |  | 487,489 |  |  |  |  |
Other operating property and equipment |  | 26,379 |  |  |  |  |
Amount attributable to assets acquired |  | $ 702,143 |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 0 |
Weighted average cost of capital rate (as a percent) |  | 10.0 |  |  |  |  |
Weighted average cost of capital for probable and possible reserves rate (as a percent) |  | 12.0 |  |  |  |  |
Development plan in years |  | 5 years |  |  |  |  |
Pecos County Assets | Crude oil |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Weighted average commodity prices | $ / bbl |  | 76.10 |  |  |  |  |
Pecos County Assets | Natural gas |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Weighted average commodity prices | $ / Mcf |  | 4.14 |  |  |  |  |
Pecos County Assets | Natural gas liquids |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Weighted average commodity prices | $ / Boe |  | 29.48 |  |  |  |  |
Pecos County Assets | 8% Convertible Preferred Stock |  |  |  |  |  |  |
Additional disclosures |  |  |  |  |  |  |
Net proceeds received |  | $ 400,100 |  |  |  |  |
Dividend rate (as a percent) |  | 8.00% |  |  |  |  |
Ward County Texas Assets |  |  |  |  |  |  |
Consideration paid for acquisition and the estimated values of assets acquired and liabilities assumed |  |  |  |  |  |  |
Final estimated consideration transferred | $ 101,800 |  |  |  |  |  |

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