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FRESH-START ACCOUNTING - FV adjustments to oil and natural gas properties (Details) $ in Millions |  | 1 Months Ended | 2 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 01, 2019 USD ($) | Oct. 31, 2019 | Dec. 31, 2019 | Oct. 01, 2019 $ / MMBTU $ / bbl | Dec. 31, 2020
Oil and natural gas properties (full cost method): |  |  |  |  |
Debt issuance cost expensed | $ | $ 10.2 |  |  |  |
Write Off Of Prepaid Premium Expenses | $ | $ 1.2 |  |  |  |
Incremental borrowing rate |  | 3.70% | 3.70% | 4.83% | 3.70%
Fresh Start Adjustments |  |  |  |  |
Oil and natural gas properties (full cost method): |  |  |  |  |
Weighted average cost of capital rate (as a percent) |  |  |  | 10.0 |
Development plan in years |  |  |  | 5 years |
Weighted average commodity price of oil (in dollars per barrel) | $ / bbl |  |  |  | 71.51 |
Weighted average commodity price of natural gas (in dollars per Mmbtu) | $ / MMBTU |  |  |  | 3.37 |
Weighted average commodity price of natural gas liquids (in dollars per barrel) | $ / bbl |  |  |  | 29.50 |

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- Definition Represents the weighted average commodity prices used to determine the fair value of oil and natural gas properties per million British thermal units (MMBtu) of natural gas. + References No definition available. + Details
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- Definition Write-off of amounts previously capitalized as prepaid expenses relating to premiums of directors and officers’ insurance policy. + References No definition available. + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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