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Property Acquisitions and Divestitures (Details) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified
12 Months Ended 3 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2014
Dec. 18, 2013
Dec. 04, 2012
Apr. 30, 2013
Dec. 17, 2012
Aug. 31, 2012
May 22, 2012
Dec. 16, 2014
Jun. 10, 2014
Net Assets Acquired                        
Cash                     $ 134,887,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents  
Accounts receivable                     61,889,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables  
Prepaid expenses and other current assets                     7,225,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets  
Derivative instruments                     31,621,000sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetDerivative  
Other long term assets                     8,120,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets  
Other fixed assets                     697,000sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherFixedAssets  
Net deferred tax asset                     14,524,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent  
Accounts payable                     (76,766,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable  
Royalties payable                     (7,446,000)sogc_Businesscombinationrecognizedidentifiableassetsacquiredandliabilitiesassumedcurrentliabilitiesroyaltiespayable  
Accrued exploration and development                     (27,982,000)sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExplorationAndDevelopment  
Accrued operating expenses and other                     (29,246,000)sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedOperatingExpenseAndOther  
Accrued interest                     (4,730,000)sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesInterestPayable  
Other short-term obligations                     (15,191,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther  
Asset retirement obligations                     (23,946,000)sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation  
Other long-term obligations                     (66,464,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther  
Total identifiable net assets and consideration transferred                     40,413,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet  
Pro Forma                        
Total revenue, actual 464,723,000us-gaap_Revenues 354,978,000us-gaap_Revenues 177,446,000us-gaap_Revenues                  
Total revenue, pro forma 673,641,000us-gaap_BusinessAcquisitionsProFormaRevenue 518,167,000us-gaap_BusinessAcquisitionsProFormaRevenue                    
Net income/( loss), actual (326,720,000)us-gaap_NetIncomeLoss 10,577,000us-gaap_NetIncomeLoss (686,782,000)us-gaap_NetIncomeLoss                  
Net income/( loss), pro forma (286,052,000)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss (8,226,000)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss                    
Costs incurred                        
Consideration, net of accrued purchase price adjustments 36,772,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired   559,066,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired                  
Member's contributions to fund purchase     87,508,000sogc_ProceedsFromIssuanceOfMemberUnits                  
Asset retirement obligations assumed                     23,946,000sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation  
Sale of property                        
Proceeds from sale 17,342,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 171,756,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 35,764,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment                  
Goodwill   173,547,000us-gaap_Goodwill                    
Forest Oil Combination                        
Combination                        
Number of shares of Forest Oil Corporation outstanding as of the date of the Combination (in thousands) 118,863us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
                     
Forest Oil Corporation closing stock price $ 0.34us-gaap_BusinessAcquisitionSharePrice
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
                     
Common stock equity consideration (in thousands) 40,413,000us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
                     
Net Assets Acquired                        
Asset Retirement Obligation, Current 9,400,000us-gaap_AssetRetirementObligationCurrent
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
                     
2012 acquisitions                        
Sale of property                        
Oil and gas property     737,100,000us-gaap_CostsIncurredAcquisitionOfOilAndGasProperties
/ us-gaap_BusinessAcquisitionAxis
= sogc_Acquisitions2012Member
                 
Oil and gas property, Proved     145,100,000us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
/ us-gaap_BusinessAcquisitionAxis
= sogc_Acquisitions2012Member
                 
Oil and gas property, Unproved     420,200,000us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
/ us-gaap_BusinessAcquisitionAxis
= sogc_Acquisitions2012Member
                 
Goodwill     173,500,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= sogc_Acquisitions2012Member
                 
Pro forma adjustment | Forest Oil Combination                        
Pro Forma                        
Total revenue, actual 7,800,000us-gaap_Revenues
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_NonrecurringAdjustmentAxis
= us-gaap_AcquisitionRelatedCostsMember
                     
Net income/( loss), actual 5,300,000us-gaap_NetIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_NonrecurringAdjustmentAxis
= us-gaap_AcquisitionRelatedCostsMember
                     
North Texas                        
Costs incurred                        
Consideration, net of accrued purchase price adjustments       38,000,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_StatementGeographicalAxis
= sogc_NorthTexasMember
               
North Texas | Pro forma adjustment                        
Pro Forma                        
Total revenue, actual 4,000,000us-gaap_Revenues
/ us-gaap_NonrecurringAdjustmentAxis
= us-gaap_AcquisitionRelatedCostsMember
/ us-gaap_StatementGeographicalAxis
= sogc_NorthTexasMember
                     
Net income/( loss), actual (2,400,000)us-gaap_NetIncomeLoss
/ us-gaap_NonrecurringAdjustmentAxis
= us-gaap_AcquisitionRelatedCostsMember
/ us-gaap_StatementGeographicalAxis
= sogc_NorthTexasMember
                     
Texas Panhandle and Surrounding Oklahoma area                        
Net Assets Acquired                        
Asset retirement obligations           (1,700,000)sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Pro Forma                        
Total revenue, pro forma     258,362,000us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
                 
Net income/( loss), pro forma     (637,985,000)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
                 
Costs incurred                        
Consideration, net of accrued purchase price adjustments           657,800,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Member's contributions to fund purchase           181,600,000sogc_ProceedsFromIssuanceOfMemberUnits
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Purchase price adjustment         8,400,000sogc_AdditionalProceedsFromPurchasePriceAdjustments
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
             
Asset retirement obligations assumed           1,700,000sogc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligation
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Sale of property                        
Proceeds from sale         169,000,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
             
Gain (loss) from sale         0us-gaap_GainLossOnSaleOfProperty
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
             
South Texas                        
Pro Forma                        
Total revenue, actual     177,446,000us-gaap_Revenues
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
                 
Total revenue, pro forma     181,197,000us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
                 
Net income/( loss), actual     (686,782,000)us-gaap_NetIncomeLoss
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
                 
Net income/( loss), pro forma     (686,075,000)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
                 
Costs incurred                        
Consideration, net of accrued purchase price adjustments             14,900,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
79,300,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
       
Net acres             5,000sogc_GasAndOilAreaNet
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
         
Montana Oil and Gas                        
Sale of property                        
Proceeds from sale                 15,800,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
/ us-gaap_StatementGeographicalAxis
= sogc_MontanaOilAndGasMember
     
Gain (loss) from sale                 0us-gaap_GainLossOnSaleOfProperty
/ us-gaap_StatementGeographicalAxis
= sogc_MontanaOilAndGasMember
     
Montana Gathering                        
Sale of property                        
Proceeds from sale                 2,500,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
/ us-gaap_StatementGeographicalAxis
= sogc_MontanaGatheringMember
     
Utah                        
Sale of property                        
Proceeds from sale                   18,200,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
/ us-gaap_StatementGeographicalAxis
= sogc_UtahPropertyMember
   
Gain (loss) from sale                   0us-gaap_GainLossOnSaleOfProperty
/ us-gaap_StatementGeographicalAxis
= sogc_UtahPropertyMember
   
Proved Properties                        
Net Assets Acquired                        
Oil and gas properties                     343,127,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesProvedPropertiesMember
 
Proved Properties | North Texas                        
Net Assets Acquired                        
Oil and gas properties                       33,400,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesProvedPropertiesMember
/ us-gaap_StatementGeographicalAxis
= sogc_NorthTexasMember
Proved Properties | Texas Panhandle and Surrounding Oklahoma area                        
Net Assets Acquired                        
Oil and gas properties           340,900,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesProvedPropertiesMember
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Proved Properties | South Texas                        
Net Assets Acquired                        
Oil and gas properties               79,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesProvedPropertiesMember
/ us-gaap_StatementGeographicalAxis
= sogc_SouthTexasMember
       
Unproved Properties                        
Net Assets Acquired                        
Oil and gas properties                     189,877,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesUnprovedPropertiesMember
 
Unproved Properties | North Texas                        
Net Assets Acquired                        
Oil and gas properties                       4,600,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesUnprovedPropertiesMember
/ us-gaap_StatementGeographicalAxis
= sogc_NorthTexasMember
Unproved Properties | Texas Panhandle and Surrounding Oklahoma area                        
Net Assets Acquired                        
Oil and gas properties           145,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= sogc_OilAndGasPropertiesUnprovedPropertiesMember
/ us-gaap_StatementGeographicalAxis
= sogc_TexasPanhandleAndSurroundingOklahomaMember
           
Gas Gathering and Processing Facilities | 2012 acquisitions                        
Sale of property                        
Oil and gas property     5,700,000us-gaap_CostsIncurredAcquisitionOfOilAndGasProperties
/ us-gaap_BusinessAcquisitionAxis
= sogc_Acquisitions2012Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_GasGatheringAndProcessingEquipmentMember
                 
Legacy Sabine Investors                        
Combination                        
Economic interest (as a percent)                     73.50%sogc_OwnershipPercentageEconomicInterest
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_LegacySabineInvestorsMember
 
Voting power (as a percent)                     40.00%sogc_OwnershipPercentageVotingPower
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_LegacySabineInvestorsMember
 
Legacy Sabine Investors | Forest Oil Combination                        
Combination                        
Economic interest (as a percent)                     73.50%sogc_OwnershipPercentageEconomicInterest
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_LegacySabineInvestorsMember
 
Voting power (as a percent)                     40.00%sogc_OwnershipPercentageVotingPower
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_LegacySabineInvestorsMember
 
Sabine (Forest Oil) shareholders                        
Combination                        
Economic interest (as a percent)                     26.50%sogc_OwnershipPercentageEconomicInterest
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_ForestOilCorporationShareholdersMember
 
Voting power (as a percent)                     60.00%sogc_OwnershipPercentageVotingPower
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_ForestOilCorporationShareholdersMember
 
Sabine (Forest Oil) shareholders | Forest Oil Combination                        
Combination                        
Economic interest (as a percent)                     26.50%sogc_OwnershipPercentageEconomicInterest
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_ForestOilCorporationShareholdersMember
 
Voting power (as a percent)                     60.00%sogc_OwnershipPercentageVotingPower
/ us-gaap_BusinessAcquisitionAxis
= sogc_CombinationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= sogc_ForestOilCorporationShareholdersMember
 
Legacy Forest Oil Revolving Credit Facility                        
Net Assets Acquired                        
Debt                     (105,000,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt
/ us-gaap_DebtInstrumentAxis
= sogc_RevolvingCreditFacilityLegacyForestOilMember
 
Legacy Forest Oil Senior Notes                        
Net Assets Acquired                        
Debt                     $ (394,783,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt
/ us-gaap_DebtInstrumentAxis
= sogc_SeniorNotesLegacyForestOilMember