XML 70 R53.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Derivatives And Fair Value (Narrative) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) $ / Boe bbl
Crude Oil Put Contracts, Premium Paid | $ | $ 2.9
Derivative, Nonmonetary Notional Amount, Volume | bbl | 792,000
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] |
Underlying, Derivative Energy Measure | $ / Boe | 48.46

X
- Definition Crude Oil Put Contracts, Premium Paid + References No definition available. + Details
Name: | egy_CrudeOilPutContractsPremiumPaid
Namespace Prefix: | egy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in energy volume but not the derivative contract itself. + References No definition available. + Details
Name: | us-gaap_UnderlyingDerivativeEnergyMeasure
Namespace Prefix: | us-gaap_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |