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Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2020
Asset Retirement Obligation [Abstract] |
Schedule of Change in Asset Retirement Obligation | The reconciliation of changes in asset retirement obligations is as follows:
|  | December 31,
|  | 2020 |  | 2019
Balance, Beginning of Year |  | $ | 68,454 |  |  | $ | 38,554 |
Obligations Divested |  | (703) |  |  | — |
Accretion Expense |  | 11,067 |  |  | 9,458 |
Obligations Incurred |  | 2,806 |  |  | 2,933 |
Obligations Settled |  | (7,905) |  |  | (4,231) |
Revisions in Estimated Cash Flows |  | 19,449 |  |  | 21,740 |
Balance, End of Year |  | $ | 93,168 |  |  | $ | 68,454 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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