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Retirement Obligation, Period Increase (Decrease)","description":"Amount of increase (decrease) in asset retirement obligations.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":0,"accn":"0001193125-12-354600","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14"},{"start":"2011-04-01","end":"2011-06-30","val":0,"accn":"0001193125-12-354600","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14","frame":"CY2011Q2"},{"start":"2011-01-01","end":"2011-09-30","val":0,"accn":"0001193125-12-462481","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-07-01","end":"2011-09-30","val":0,"accn":"0001193125-12-462481","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q3"},{"start":"2012-01-01","end":"2012-06-30","val":0,"accn":"0001193125-12-354600","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14"},{"start":"2012-04-01","end":"2012-06-30","val":0,"accn":"0001193125-12-354600","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-14","frame":"CY2012Q2"},{"start":"2012-01-01","end":"2012-09-30","val":0,"accn":"0001193125-12-462481","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2012-07-01","end":"2012-09-30","val":0,"accn":"0001193125-12-462481","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3"}]}},"AssetRetirementObligationRevisionOfEstimate":{"label":"Asset Retirement Obligation, Revision of Estimate","description":"Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the 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p":"Q1","form":"10-Q","filed":"2016-05-23"},{"end":"2015-12-31","val":55800,"accn":"0001564590-16-024424","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2015Q4I"},{"end":"2016-03-31","val":48400,"accn":"0001564590-16-019804","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-23","frame":"CY2016Q1I"},{"end":"2016-06-30","val":46800,"accn":"0001564590-16-024424","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"}]}},"AssetsFairValueDisclosureNonrecurring":{"label":"Assets, 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This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.","units":{"USD":[{"end":"2012-03-31","val":0,"accn":"0001193125-13-219399","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q1I"},{"end":"2012-06-30","val":0,"accn":"0001157516-13-000003","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2012Q2I"},{"end":"2013-03-31","val":0,"accn":"0001193125-13-219399","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":0,"accn":"0001157516-13-000003","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2013-06-30","val":0,"accn":"0001564590-14-003745","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14","frame":"CY2013Q2I"},{"end":"2013-09-30","val":0,"accn":"0001564590-14-005747","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14","frame":"CY2013Q3I"},{"end":"2014-03-31","val":0,"accn":"0001564590-15-004393","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-15","frame":"CY2014Q1I"},{"end":"2014-06-30","val":0,"accn":"0001564590-14-003745","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-14"},{"end":"2014-06-30","val":0,"accn":"0001564590-15-007354","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-14","frame":"CY2014Q2I"},{"end":"2014-09-30","val":0,"accn":"0001564590-14-005747","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-14"},{"end":"2014-09-30","val":0,"accn":"0001564590-15-011027","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-23","frame":"CY2014Q3I"},{"end":"2015-03-31","val":0,"accn":"0001564590-15-004393","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-15","frame":"CY2015Q1I"},{"end":"2015-06-30","val":0,"accn":"0001564590-15-007354","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-14","frame":"CY2015Q2I"},{"end":"2015-09-30","val":0,"accn":"0001564590-15-011027","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-23","frame":"CY2015Q3I"}]}},"CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities":{"label":"Capitalized 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