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Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2010-12-31","val":40628000,"accn":"0001193125-11-207851","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03"},{"end":"2010-12-31","val":40628000,"accn":"0001193125-11-303947","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"end":"2010-12-31","val":40791000,"accn":"0001193125-12-117053","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":34034000,"accn":"0001193125-11-207851","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03","frame":"CY2011Q2I"},{"end":"2011-09-30","val":11868000,"accn":"0001193125-11-303947","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":6922000,"accn":"0001193125-12-117053","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":6922000,"accn":"0001354488-12-002242","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"end":"2011-12-31","val":6922000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":6723000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":3563000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":9616000,"accn":"0001354488-12-002242","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2012Q1I"},{"end":"2012-06-30","val":9355000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":4107000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":2770000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15"},{"end":"2012-12-31","val":2770000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":2770000,"accn":"0001437749-13-010641","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":2770000,"accn":"0001437749-13-014698","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"end":"2012-12-31","val":2770000,"accn":"0001437749-14-004260","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2012-12-31","val":2770000,"accn":"0000950123-14-012821","fy":null,"fp":null,"form":"8-K","filed":"2014-12-19","frame":"CY2012Q4I"},{"end":"2013-03-31","val":4418000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":5839000,"accn":"0001437749-13-010641","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":6379000,"accn":"0001437749-13-014698","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3I"},{"end":"2013-12-31","val":7446000,"accn":"0001437749-14-004260","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2013-12-31","val":7446000,"accn":"0001564590-14-002000","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2013-12-31","val":7446000,"accn":"0001564590-14-002810","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-07-18"},{"end":"2013-12-31","val":7446000,"accn":"0001564590-14-003482","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11"},{"end":"2013-12-31","val":7446000,"accn":"0001564590-14-005437","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10"},{"end":"2013-12-31","val":7446000,"accn":"0000950123-14-012821","fy":null,"fp":null,"form":"8-K","filed":"2014-12-19","frame":"CY2013Q4I"},{"end":"2014-03-31","val":10999000,"accn":"0001564590-14-002000","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-09"},{"end":"2014-03-31","val":10999000,"accn":"0001564590-14-002810","fy":2014,"fp":"Q1","form":"10-Q/A","filed":"2014-07-18","frame":"CY2014Q1I"},{"end":"2014-06-30","val":20325000,"accn":"0001564590-14-003482","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-11","frame":"CY2014Q2I"},{"end":"2014-09-30","val":34076000,"accn":"0001564590-14-005437","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-10","frame":"CY2014Q3I"}]}},"AccruedProfessionalFeesCurrent":{"label":"Accrued Professional Fees, Current","description":"Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. 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Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).","units":{"USD":[{"end":"2011-12-31","val":3160000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2011Q4I"},{"end":"2011-12-31","val":3160000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":5741000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":0,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment":{"label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","description":"Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.","units":{"USD":[{"end":"2011-12-31","val":371000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15","frame":"CY2011Q4I"},{"end":"2011-12-31","val":371000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":522000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2012-06-30","val":597000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":478000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":-533000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":533000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15"},{"end":"2013-03-31","val":-594000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"}]}},"AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax","description":"Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.","units":{"USD":[{"end":"2013-12-31","val":224000,"accn":"0001437749-14-004260","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2013-12-31","val":224000,"accn":"0000950123-14-012821","fy":null,"fp":null,"form":"8-K","filed":"2014-12-19","frame":"CY2013Q4I"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2010-12-31","val":-120000,"accn":"0001193125-11-207851","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03"},{"end":"2010-12-31","val":-120000,"accn":"0001193125-11-303947","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"end":"2010-12-31","val":-120000,"accn":"0001193125-12-117053","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15","frame":"CY2010Q4I"},{"end":"2011-06-30","val":-150000,"accn":"0001193125-11-207851","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-03","frame":"CY2011Q2I"},{"end":"2011-09-30","val":-225000,"accn":"0001193125-11-303947","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09","frame":"CY2011Q3I"},{"end":"2011-12-31","val":-265000,"accn":"0001193125-12-117053","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"end":"2011-12-31","val":-265000,"accn":"0001354488-12-002242","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"end":"2011-12-31","val":-265000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"end":"2011-12-31","val":-265000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":-265000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15","frame":"CY2011Q4I"},{"end":"2012-03-31","val":-67000,"accn":"0001354488-12-002242","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2012Q1I"},{"end":"2012-06-30","val":-118000,"accn":"0001354488-12-003921","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":-263000,"accn":"0001354488-12-005659","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":224000,"accn":"0001354488-13-001983","fy":2012,"fp":"FY","form":"10-K","filed":"2013-04-15"},{"end":"2012-12-31","val":224000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14"},{"end":"2012-12-31","val":224000,"accn":"0001437749-13-010641","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13"},{"end":"2012-12-31","val":224000,"accn":"0001437749-13-014698","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14"},{"end":"2012-12-31","val":224000,"accn":"0001437749-14-004260","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2012-12-31","val":224000,"accn":"0000950123-14-012821","fy":null,"fp":null,"form":"8-K","filed":"2014-12-19","frame":"CY2012Q4I"},{"end":"2013-03-31","val":224000,"accn":"0001354488-13-002706","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-14","frame":"CY2013Q1I"},{"end":"2013-06-30","val":224000,"accn":"0001437749-13-010641","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-13","frame":"CY2013Q2I"},{"end":"2013-09-30","val":224000,"accn":"0001437749-13-014698","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-14","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0001437749-14-004260","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-14"},{"end":"2013-12-31","val":0,"accn":"0000950123-14-012821","fy":null,"fp":null,"form":"8-K","filed":"2014-12-19","frame":"CY2013Q4I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. 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(ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test 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"},{"start":"2015-07-01","end":"2015-09-30","val":5266000,"accn":"0001402281-15-000010","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-09"},{"start":"2015-07-01","end":"2015-09-30","val":5266000,"accn":"0001402281-16-000159","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14","frame":"CY2015Q3"},{"start":"2015-01-01","end":"2015-12-31","val":16437000,"accn":"0001402281-16-000077","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-24"},{"start":"2015-01-01","end":"2015-12-31","val":16437000,"accn":"0001402281-17-000034","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2015-01-01","end":"2015-12-31","val":16437000,"accn":"0001402281-18-000017","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-16","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":2062000,"accn":"0001402281-16-000091","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10"},{"start":"2016-01-01","end":"2016-03-31","val":2062000,"accn":"0001402281-17-000048","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-10","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":3262000,"accn":"0001402281-16-000139","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-08"},{"start":"2016-01-01","end":"2016-06-30","val":3262000,"accn":"0001402281-17-000101","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09"},{"start":"2016-04-01","end":"2016-06-30","val":1200000,"accn":"0001402281-16-000139","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-08"},{"start":"2016-04-01","end":"2016-06-30","val":1200000,"accn":"0001402281-17-000101","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09","frame":"CY2016Q2"},{"start":"2016-01-01","end":"2016-09-30","val":4934000,"accn":"0001402281-16-000159","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-01","end":"2016-09-30","val":4934000,"accn":"0001402281-17-000111","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08"},{"start":"2016-07-01","end":"2016-09-30","val":1672000,"accn":"0001402281-16-000159","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-07-01","end":"2016-09-30","val":1672000,"accn":"0001402281-17-000111","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":39269000,"accn":"0001402281-17-000034","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-16"},{"start":"2016-01-01","end":"2016-12-31","val":39269000,"accn":"0001402281-18-000017","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-16","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":1596000,"accn":"0001402281-17-000048","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-10","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":2398000,"accn":"0001402281-17-000101","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":802000,"accn":"0001402281-17-000101","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":3711000,"accn":"0001402281-17-000111","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08"},{"start":"2017-07-01","end":"2017-09-30","val":1313000,"accn":"0001402281-17-000111","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-08","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":4577000,"accn":"0001402281-18-000017","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-16","frame":"CY2017"}]}},"FairValueAssumptionsExercisePrice":{"label":"Fair 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Alternate caption: Proceeds from Advances from 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