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ASSET RETIREMENT OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2020
ASSET RETIREMENT OBLIGATIONS |
Schedule of activity related to ARO liability | The Company recorded the following activity related to its ARO liability (inclusive of the current portion) (in thousands):
Liability for asset retirement obligations as of December 31, 2018 (Predecessor) |  | $ | 6,914
Liabilities settled and divested (1) |  |  | (229)
Additions |  |  | 354
Accretion expense |  |  | 307
Revisions in estimated cash flows |  |  | 2,807
Liability for asset retirement obligations as of October 1, 2019 (Predecessor) |  | $ | 10,153
Fair Value Adjustment |  | $ | —
Liability for asset retirement obligations as of October 1, 2019 (Successor) |  | $ | 10,153
Additions |  |  | 293
Accretion expense |  |  | 144
Liability for asset retirement obligations as of December 31, 2019 (Successor) |  | $ | 10,590
Liabilities settled and divested (1) |  |  | (1,132)
Additions |  |  | 488
Accretion expense |  |  | 585
Revisions in estimated cash flows |  |  | 52
Liability for asset retirement obligations as of December 31, 2020 (Successor) |  | $ | 10,583
See Note 6, “Acquisitions and Divestitures,” for additional information on the Company’s divestiture activities.

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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