The term of oil and gas commitments and contracts.

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

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- Definition

The noncash expense charged against earnings to recognize the consumption of oil and gas reserves that are part of an entities' assets.

+ References

+ Details

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- Definition

The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Section 35
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66906256&loc=d3e66150-109466

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- Details

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- Details

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Note 5 - Oil and Natural Gas Properties (Details Textual) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Impairment of Oil and Gas Properties			$ 0	$ 44,928	$ 0
Asset Impairment Charges, Total	$ 2,115		0	62,548	0
Proved Oil and Natural Gas Properties [Member]
Depletion of Oil and Gas Properties	28,400		$ 13,900	$ 75,700	$ 41,700
Proved Oil and Natural Gas Properties [Member] \| Eagle Ford Trend [Member]
Impairment of Oil and Gas Properties		$ 25,300
Unproved Oil and Gas Properties [Member] \| Eagle Ford Trend [Member]
Impairment of Oil and Gas Properties	0	$ 11,300
Unproved Oil and Gas Properties [Member] \| Minimum [Member]
Oil and Gas Commitments and Contracts Term (Year)				3 years
Unproved Oil and Gas Properties [Member] \| Maximum [Member]
Oil and Gas Commitments and Contracts Term (Year)				5 years
Oil and Gas Properties, Subject to Acreage Expirations [Member]
Impairment of Oil and Gas Properties	$ 2,100			$ 8,400