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Fresh Start Accounting - Identified Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Nov. 19, 2020 | Nov. 18, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets | $ 43,667 | $ 43,667 | $ 667 | $ 0
Fair Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 43,667 |  |
Historical Book Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 667 |  |
Interest in OMP GP | Fair Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 28,000 |  |
Interest in OMP GP | Historical Book Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 0 |  |
Customer contracts | Fair Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets | $ 15,000 |  |  |
Customer contracts | Historical Book Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 0 |  |
Seismic data | Fair Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | 667 |  |
Seismic data | Historical Book Value |  |  |  |
Fresh-Start Adjustment [Line Items] |  |  |  |
Intangible Assets |  | $ 667 |  |

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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