Business Acquisition, Purchase Consideration of Acquired Entity

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- Definition

Estimates asset retirement obligation.

+ References

No definition available.

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- Definition

Fair Value Of Net Assets Acquired

+ References

No definition available.

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- Definition

Percentage of working interest acquired.

+ References

No definition available.

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- Definition

Sale of proved properties.

+ References

No definition available.

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- Details

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464

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- Definition

Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 13

-Subparagraph g

-Article 9

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Acquisitions and Divestitures - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Jun. 18, 2012	Oct. 31, 2013 Weeks Island Field [Member]	Jun. 18, 2012 Block Deep Water Pompano Field Mississippi Canyon [Member]	Jun. 18, 2012 Mississippi Canyon Block 29 [Member]	Jun. 18, 2012 Mississippi Canyon Block 72 [Member]
Business Acquisition [Line Items]
Fair value of Land and Building at the time of Acquisition	$ 8,539
Purchase Consideration	8,539
Percentage of working interest acquired					25.00%	14.00%	10.00%
Cash consideration transferred		26,398	26,398
Sale of interest cash consideration				42,957
Estimates asset retirement obligation				9,245
Gain or loss recognized from the sale of interest				$ 0