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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

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