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The fair value of derivative assets and liabilities, including the impact of the rights of offset associated with the derivative contracts, resulting in a gross asset after netting.

No definition available.

Name:	sgy_DerivativeAssetsLiabilitiesFairValueGrossAssetNet
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The fair value of derivative assets and liabilities, including the impact of the rights of offset associated with the derivative contracts, resulting in a gross liability after netting.

No definition available.

Name:	sgy_DerivativeAssetsLiabilitiesFairValueGrossLiabilityNet
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Data Type:	xbrli:monetaryItemType
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- Details

Name:	sgy_DerivativeInstrumentsAndHedgingActivitiesLineItems
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The potential impact of the rights of offset associated with recognized liability derivatives subject to master netting arrangements.

No definition available.

Name:	sgy_DerivativeLiabilityFairValueNettingAdjustment
Namespace Prefix:	sgy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.