Partnership, Number of Types of Agreements Generally Sold

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- Definition

Partnership, Period Used to Determine Expected Future Prices

+ References

No definition available.

+ Details

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- Definition

Unproved Oil and Natural Gas Properties, Expected Period of Evaluation and Transfer to Depletable Portion

+ References

No definition available.

+ Details

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- Definition

Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-Glossary Unproved Properties

-URI http://asc.fasb.org/extlink&oid=6527831

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Properties

-URI http://asc.fasb.org/extlink&oid=21914647

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 19

-Paragraph 59M

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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

General and administrative costs from oil & 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

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62136-109447

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 26

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62299-109447

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 19

-Paragraph 59S

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The excess of unamortized costs capitalized within a cost center, less related deferred income taxes, over the cost center ceiling limitation, which is charged to expense for oil and gas producing companies that use full cost method of accounting for investments in oil and gas producing properties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 10

-Paragraph c

-Subparagraph 4(ii)

-Article 4

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Basis of Presentation, Significant Accounting Polices and Practicies and Recent Accounting Pronouncements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended	6 Months Ended
	Mar. 31, 2013 agreement	Mar. 31, 2013 EXCO/HGI Partnership [Member] Unproved oil and natural gas properties and development costs not being amortized [Member]	Feb. 14, 2013 EXCO/HGI Partnership [Member] Unproved oil and natural gas properties and development costs not being amortized [Member]	Mar. 31, 2013 HGI Energy Holdings, LLC [Member] EXCO/HGI Partnership [Member]	Mar. 31, 2013 HGI Energy Holdings, LLC [Member] EXCO/HGI Partnership [Member]	Mar. 31, 2013 HGI Energy Holdings, LLC [Member] EXCO/HGI Partnership [Member] Maximum [Member] Gas Gathering Assets [Member]
Reserve Quantities [Line Items]
Oil and natural gas properties (full accounting method)		$ 52.9	$ 48.5
Unproved oil and natural gas properties, expected period of evaluation and transfer to depletable portion					4 years
Unamortized costs exceed ceiling limitations				234.0
Partnership, period used to determin expected future prices	5 years
Property, plant and equipment useful life						14 years
Partnership, number of types of agreements generally sold	2
Overhead charges					$ 0.6