Represents depreciation, depletion and amortization from operating activities.

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

Oil and Gas properties with proved reserves under the successful effort method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Glossary Proved Properties
-URI http://asc.fasb.org/extlink&oid=6522428

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Section 25
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=56951519&loc=d3e64746-109465

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- Definition

Depreciation, depletion and amortization, and valuation provisions (impairments) related to oil and gas producing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 23
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447

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- Definition

Dry hole costs from oil and gas producing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Section 25
-Paragraph 9
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56951519&loc=d3e64954-109465

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 23
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447

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- Details

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Oil and Natural Gas Properties (DDA and Impairments) (Details) - USD ($) $ in Thousands		2 Months Ended	3 Months Ended		9 Months Ended
	Mar. 05, 2015	Feb. 28, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
DD&A					$ 11,341	$ 9,050
Asset impairments	$ 0	$ 0		$ 937	1,309	84,664
Total			$ 4,079	3,788	11,788	93,714
Proved property			731,617		731,617		$ 731,548
Exploration and dry hole costs					$ 0	0
Gathering Facilities
Property, Plant and Equipment [Line Items]
Useful lives					36 years
Oil and Natural Gas-Related Assets
Property, Plant and Equipment [Line Items]
DD&A			2,348	2,851	$ 5,310	9,050
Gathering and Transportation Related Assets
Property, Plant and Equipment [Line Items]
DD&A			1,731		$ 5,169
Gathering and Transportation Related Assets \| Minimum
Property, Plant and Equipment [Line Items]
Useful lives					3 years
Gathering and Transportation Related Assets \| Maximum
Property, Plant and Equipment [Line Items]
Useful lives					15 years
Oil and Natural Gas-Related Assets and Gathering and Transportation-Related Assets
Property, Plant and Equipment [Line Items]
DD&A			4,079	$ 2,851	$ 10,479	$ 9,050
Texas And Louisiana Oil And Natural Gas Fields
Property, Plant and Equipment [Line Items]
Proved property			$ 77,200		$ 77,200