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Crude Oil and Natural Gas Properties and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2020
Crude Oil and Natural Gas Properties and Equipment [Abstract] |
Schedule of Crude Oil and Natural Gas Properties and Equipment |
|  | As of December 31,
|  | 2020 |  | 2019
|  | (in thousands)
Crude oil and natural gas properties and equipment - successful efforts method: |  |  |  |  |  |
Wells, platforms and other production facilities |  | $ | 441,879 |  | $ | 422,651
Work-in-progress |  |  | 169 |  |  | 7,378
Undeveloped acreage |  |  | 21,476 |  |  | 23,771
Equipment and other |  |  | 9,276 |  |  | 11,157
|  |  | 472,800 |  |  | 464,957
Accumulated depreciation, depletion, amortization and impairment |  |  | (435,764) |  |  | (396,699)
Net crude oil and natural gas properties, equipment and other |  | $ | 37,036 |  | $ | 68,258

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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