Note 5 - Acquisitions and Divestitures - Purchase Price Allocation (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Aug. 31, 2019 |
|---|---|---|
| Mobile Bay Properties [Member] | ||
| Oil and natural gas properties and other, net - at cost: | $ 192,373 | |
| Other assets | 4,838 | |
| Current liabilities | 1,559 | |
| Asset retirement obligations | 21,684 | |
| Other liabilities | $ 4,132 | |
| Magnolia Field Acquisition [Member] | ||
| Oil and natural gas properties and other, net - at cost: | $ 23,791 | |
| Asset retirement obligations | $ 7,842 |
| X | ||||||||||
- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of asset retirement obligations assumed at the acquisition date. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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