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Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Overhead Reimbursement Fees (Details) (HGI Energy Holdings, LLC, EXCO/HGI JV, USD $) In Millions, unless otherwise specified	7 Months Ended
	Sep. 30, 2013
HGI Energy Holdings, LLC | EXCO/HGI JV
Subsidiary or Equity Method Investee [Line Items]
Results of Operations, General and Administrative Related to Oil and Gas Producing Activities	$ 4.3

X

- 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

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration