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Asset Retirement Obligations - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
Platforms
Well
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Dec. 31, 2012
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Dec. 31, 2013
Well
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| Disclosure - Asset Retirement Obligations - Additional Information (Detail) [Line Items] | |||
| Number of wells | 2egy_NumberOfWells | ||
| Revisions | $ 136us-gaap_AssetRetirementObligationRevisionOfEstimate | $ (5,744)us-gaap_AssetRetirementObligationRevisionOfEstimate | |
| Number of new platforms | 2egy_NumberOfPlatforms | ||
| Abandoned period of material assets | P5Y | ||
| Offshore Gabon | |||
| Disclosure - Asset Retirement Obligations - Additional Information (Detail) [Line Items] | |||
| Number of wells |
2egy_NumberOfWells / us-gaap_StatementGeographicalAxis = egy_OffshoreGabonMember |
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| X | ||||||||||
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- Details
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- Definition
Number of platforms. No definition available.
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- Definition
Number of wells. No definition available.
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- Definition
Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The timing in which the entity expects to abandon the long-lived asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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