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Income Taxes - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2014
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| Income Taxes (Textual) [Abstract] | ||
| Valuation allowance | $ 137,348,000us-gaap_DeferredTaxAssetsValuationAllowance | $ 166,111,000us-gaap_DeferredTaxAssetsValuationAllowance |
| Increase in deferred tax assets, tax credit carryforwards, foreign | $ 28,000,000egy_IncreaseInDeferredTaxAssetsTaxCreditCarryforwardsForeign |
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- Definition
Increase in deferred tax assets tax credit carryforwards foreign. No definition available.
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- Details
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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