Weighted average strike price of the sold put option in a derivative contract which consists of multiple components.

No definition available.

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- Definition

Amount of deferred premium liability on derivative instruments.

+ References

No definition available.

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- Definition

Amount of premium liability recognized in gain or loss on derivative instruments.

+ References

No definition available.

+ Details

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- Definition

Fair value, after the 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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Assets

-URI http://asc.fasb.org/extlink&oid=6509628

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- Definition

Fair value, after the 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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

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- Definition

The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

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- Definition

Fair value, after the 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 not elected to be offset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313

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- Definition

Fair value, after the 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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

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- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

No definition available.

+ Details

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Derivative Financial Instruments (Details) (USD $)	12 Months Ended		0 Months Ended
Derivative Financial Instruments (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013 MMBTU	Feb. 18, 2015 MMBTU	Feb. 03, 2015 MMBTU
Derivative [Line Items]
Derivative premium liability	$ 4,400,000sogc_DerivativePremiumLiability
Balance sheet classification
Short term derivative asset	160,217,000us-gaap_DerivativeAssetsCurrent	7,806,000us-gaap_DerivativeAssetsCurrent
Long term derivative asset		4,332,000us-gaap_DerivativeAssetsNoncurrent
Short term derivative liability	6,914,000us-gaap_DerivativeLiabilities	22,897,000us-gaap_DerivativeLiabilities
Long term derivative liability	2,269,000us-gaap_DerivativeLiabilitiesNoncurrent	11,272,000us-gaap_DerivativeLiabilitiesNoncurrent
Short term derivative liabilities
Derivative [Line Items]
Unamortized premium	4,600,000
Long Term derivative liabilities
Derivative [Line Items]
Unamortized premium	$ 0
Natural Gas \| 2014 Swap
Swaps and options outstanding
Notional amount (in Mmbtu)		19,722,000
Weighted average swap price (in dollars per Mmbtu or Bbl)		4.06
Natural Gas \| Three-way collar with Sub Floor of $3.50 and Ceiling of $5.25
Swaps and options outstanding
Notional amount (in Mmbtu)		4,554,000
Weighted average sub floor price (in dollars per Mmbtu or Bbl)		3.50
Weighted average floor price (in dollars per Mmbtu or Bbl)		4.50
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		5.25
Natural Gas \| Three-way collar with Sub Floor of $3.50 and Ceiling of $4.50
Swaps and options outstanding
Notional amount (in Mmbtu)		3,096,000
Weighted average sub floor price (in dollars per Mmbtu or Bbl)		3.50
Weighted average floor price (in dollars per Mmbtu or Bbl)		4.50
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		4.50
Natural Gas \| Three-way collar with Sub Floor of $3.25 and Ceiling of $4.50
Swaps and options outstanding
Notional amount (in Mmbtu)		18,775,000
Weighted average sub floor price (in dollars per Mmbtu or Bbl)		3.25
Weighted average floor price (in dollars per Mmbtu or Bbl)		4.50
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		4.50
Natural Gas \| Collar
Swaps and options outstanding
Notional amount (in Mmbtu)	5,450,000
Weighted average floor price (in dollars per Mmbtu or Bbl)	4.23
Weighted average ceiling price (in dollars per Mmbtu or Bbl)	4.63
Natural Gas \| 2015 Swap
Swaps and options outstanding
Notional amount (in Mmbtu)	38,325,000	18,250,000
Weighted average swap price (in dollars per Mmbtu or Bbl)	4.15	4.09
Natural Gas \| Swap with sub floor
Swaps and options outstanding
Notional amount (in Mmbtu)	37,595,000	3,128,000
Weighted average swap price (in dollars per Mmbtu or Bbl)	4.20	3.99
Weighted average sub floor price (in dollars per Mmbtu or Bbl)	3.54	3.25
Natural Gas \| 2015 Sold Call
Swaps and options outstanding
Notional amount (in Mmbtu)		21,900,000
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		5.25
Natural Gas \| 2016 Sold Call
Swaps and options outstanding
Notional amount (in Mmbtu)	21,960,000	21,960,000
Weighted average ceiling price (in dollars per Mmbtu or Bbl)	5.00	5.00
Natural Gas \| Swap Anticipated 2016 Production
Swaps and options outstanding
Notional amount (in Mmbtu)			12,810,000	11,712,000
Weighted average swap price (in dollars per Mmbtu or Bbl)			3.27	3.26
Oil \| 2014 Swap
Swaps and options outstanding
Notional amount (in Bbl)		1,264,725
Weighted average swap price (in dollars per Mmbtu or Bbl)		92.25
Oil \| 2015 Swap
Swaps and options outstanding
Notional amount (in Bbl)	2,206,350	365,000
Weighted average swap price (in dollars per Mmbtu or Bbl)	90.02	89.50
Oil \| Swap with sub floor
Swaps and options outstanding
Notional amount (in Bbl)	339,450	122,275
Weighted average swap price (in dollars per Mmbtu or Bbl)	89.50	89.13
Weighted average sub floor price (in dollars per Mmbtu or Bbl)	73.47	70.00
Oil \| Swaption
Swaps and options outstanding
Notional amount (in Bbl)	366,000
Weighted average swap price (in dollars per Mmbtu or Bbl)	98.00
Oil \| 2014 Sold Call
Swaps and options outstanding
Notional amount (in Bbl)		73,000
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		100.00
Oil \| 2015 Sold Call
Swaps and options outstanding
Notional amount (in Bbl)		200,750
Weighted average ceiling price (in dollars per Mmbtu or Bbl)		106.36
Oil \| Swap Anticipated 2016 Production
Swaps and options outstanding
Notional amount (in Bbl)			274,500	366,000
Weighted average swap price (in dollars per Mmbtu or Bbl)			62.79	64.25
Oil \| Collar Anticipated 2016 Production
Swaps and options outstanding
Notional amount (in Bbl)				366,000
Weighted average floor price (in dollars per Mmbtu or Bbl)				60.00
Weighted average ceiling price (in dollars per Mmbtu or Bbl)				68.05
Oil \| Swap Anticipated 2017 Production
Swaps and options outstanding
Notional amount (in Bbl)			547,500
Weighted average swap price (in dollars per Mmbtu or Bbl)			64.80