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Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2015-12-31","val":302273000,"accn":"0000845289-16-000037","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"},{"end":"2015-12-31","val":302708000,"accn":"0001562762-16-000458","fy":2016,"fp":"Q3","form":"10-Q/A","filed":"2016-11-10"},{"end":"2015-12-31","val":302708000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015Q4I"},{"end":"2016-06-30","val":303603000,"accn":"0000845289-16-000037","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":304490000,"accn":"0001562762-16-000458","fy":2016,"fp":"Q3","form":"10-Q/A","filed":"2016-11-10","frame":"CY2016Q3I"},{"end":"2016-12-31","val":306589000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06"},{"end":"2016-12-31","val":306589000,"accn":"0000845289-17-000008","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"end":"2016-12-31","val":306589000,"accn":"0001562762-17-000139","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14","frame":"CY2016Q4I"}]}},"AdjustmentsToAdditionalPaidInCapitalOther":{"label":"Adjustments to Additional Paid in Capital, Other","description":"Amount of other increase (decrease) in additional paid in capital (APIC).","units":{"USD":[{"start":"2012-01-01","end":"2012-12-31","val":600000,"accn":"0001562762-15-000094","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27","frame":"CY2012"}]}},"AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition":{"label":"APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment 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Includes, but is not limited to, excess tax benefit.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28"},{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-13-216834","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2013-05-13"},{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-13-196239","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-02"},{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-12-463607","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-12-31","val":2535000,"accn":"0001193125-12-117688","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"}]}},"AdjustmentsToAdditionalPaidInCapitalWarrantIssued":{"label":"Adjustments to Additional Paid in Capital, Warrant Issued","description":"Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. 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Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2015-01-01","end":"2015-09-30","val":-2758000,"accn":"0001562762-16-000458","fy":2016,"fp":"Q3","form":"10-Q/A","filed":"2016-11-10"},{"start":"2015-01-01","end":"2015-12-31","val":-4531000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":-1047000,"accn":"0000845289-17-000008","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":-3407000,"accn":"0001562762-17-000139","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"start":"2016-01-01","end":"2016-09-30","val":-2420000,"accn":"0001562762-16-000458","fy":2016,"fp":"Q3","form":"10-Q/A","filed":"2016-11-10"},{"start":"2016-01-01","end":"2016-12-31","val":-4601000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2016"}]}},"ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights":{"label":"Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)","description":"Exercise price per share or per unit of warrants or rights outstanding.","units":{"USD/Units":[{"end":"2012-09-30","val":13.87,"accn":"0001193125-13-216834","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2013-05-13","frame":"CY2012Q3I"}]}},"ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights":{"label":"Class of Warrant or Right, Number of Securities Called by Warrants or Rights","description":"Number of securities into which the class of warrant or right may be converted. 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Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or \"\"G&G\"\" costs. Exploration costs also include costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, the maintenance of land and lease records, dry hole contributions and bottom hole contributions, costs of drilling and equipping exploratory wells and costs of drilling exploratory-type stratigraphic test wells.\"","units":{"USD":[{"start":"2010-01-01","end":"2010-12-31","val":17506000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":91604000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":41205000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012"}]}},"ExplorationCostsCumulative":{"label":"Exploration Costs, Cumulative","description":"\"The capitalized costs incurred (excluded from amortization), as of the date of the balance sheet, in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or \"\"G&G\"\" costs. Exploration costs also include costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, the maintenance of land and lease records, dry hole contributions and bottom hole contributions, costs of drilling and equipping exploratory wells and costs of drilling exploratory-type stratigraphic test wells.\"","units":{"USD":[{"end":"2009-12-31","val":304000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":3694000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":34576000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":65990000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012Q4I"}]}},"ExplorationExpense":{"label":"Exploration Expense","description":"\"Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or \"\"G&G\"\" costs. (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. 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el":"Income 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Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable.","units":{"MBbls":[{"end":"2009-12-31","val":37936,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2009Q4I"},{"end":"2010-12-31","val":41684,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":38665,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":34529,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012Q4I"}]}},"ProvedDevelopedAndUndevelopedReservesProduction":{"label":"Proved Developed and Undeveloped Reserves, Production","description":"Production of proved reserves.","units":{"bbl":[{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001562762-15-000094","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001562762-15-000094","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29","frame":"CY2013"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0001562762-15-000094","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"start":"2014-01-01","end":"2014-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2014"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"start":"2015-01-01","end":"2015-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2016"}],"MBbls":[{"start":"2010-01-01","end":"2010-12-31","val":-1826,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-2430,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-2810,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012"}]}},"ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease":{"label":"Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates","description":"Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors.","units":{"MBbls":[{"start":"2010-01-01","end":"2010-12-31","val":-185,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-12-31","val":-8663,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":-3153,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012"}]}},"ProvedDevelopedReservesVolume":{"label":"Proved Developed Reserves (Volume)","description":"Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. \"Net\" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in \"net\" quantities if the necessary information is available to the enterprise. \"Net\" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as \"barrels\" for oil and synthetic oil reserves or \"cubic feet\" or \"cubic meters\" for natural gas and synthetic gas reserves.","units":{"MBbls":[{"end":"2010-12-31","val":13074,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":13717,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":12486,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012Q4I"}]}},"ProvedOilAndGasPropertySuccessfulEffortMethod":{"label":"Proved Oil and Gas Property, Successful Effort Method","description":"Oil and Gas properties with proved reserves under the successful effort method.","units":{"USD":[{"end":"2013-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29","frame":"CY2013Q4I"},{"end":"2014-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"end":"2014-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2014Q4I"},{"end":"2015-12-31","val":0,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"end":"2015-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015Q4I"},{"end":"2016-12-31","val":0,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2016Q4I"}]}},"ProvedUndevelopedReserveVolume":{"label":"Proved Undeveloped Reserve (Volume)","description":"Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. \"Net\" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in \"net\" quantities if the necessary information is available to the enterprise. \"Net\" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as \"barrels\" for oil and synthetic oil reserves or \"cubic feet\" or \"cubic meters\" for natural gas and synthetic gas reserves.","units":{"MBbls":[{"end":"2010-12-31","val":28610,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2010Q4I"},{"end":"2011-12-31","val":24948,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":22043,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28","frame":"CY2012Q4I"}]}},"ProvisionForDoubtfulAccounts":{"label":"Accounts Receivable, Credit Loss Expense (Reversal)","description":"Amount of expense (reversal of expense) for expected credit loss on accounts receivable.","units":{"USD":[{"start":"2014-01-01","end":"2014-12-31","val":13753000,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29","frame":"CY2014"},{"start":"2015-01-01","end":"2015-09-30","val":550000,"accn":"0000845289-15-000021","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-09"},{"start":"2015-01-01","end":"2015-09-30","val":550000,"accn":"0001562762-16-000458","fy":2016,"fp":"Q3","form":"10-Q/A","filed":"2016-11-10"},{"start":"2015-01-01","end":"2015-12-31","val":734000,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29"},{"start":"2015-01-01","end":"2015-12-31","val":734000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":5160000,"accn":"0000845289-16-000034","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":5160000,"accn":"0000845289-16-000037","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"}]}},"RepaymentsOfDebt":{"label":"Repayments of Debt","description":"The cash outflow during the period from the repayment of aggregate short-term and long-term debt. 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of Long-term Debt","description":"The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"start":"2011-01-01","end":"2011-06-30","val":60000000,"accn":"0000950123-11-074979","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-09"},{"start":"2011-01-01","end":"2011-06-30","val":60000000,"accn":"0001193125-12-345897","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09"},{"start":"2011-01-01","end":"2011-06-30","val":60000000,"accn":"0001193125-13-216818","fy":2012,"fp":"Q2","form":"10-Q/A","filed":"2013-05-13"},{"start":"2011-01-01","end":"2011-09-30","val":60000000,"accn":"0000950123-11-096827","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-09"},{"start":"2011-01-01","end":"2011-09-30","val":60000000,"accn":"0001193125-12-463607","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"start":"2011-01-01","end":"2011-09-30","val":60000000,"accn":"0001193125-13-216834","fy":2012,"fp":"Q3","form":"10-Q/A","filed":"2013-05-13"},{"start":"2011-01-01","end":"2011-12-31","val":60000000,"accn":"0001193125-12-117688","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-15"},{"start":"2011-01-01","end":"2011-12-31","val":60000000,"accn":"0001193125-13-196239","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-02"},{"start":"2011-01-01","end":"2011-12-31","val":60000000,"accn":"0001193125-14-024150","fy":2013,"fp":"Q1","form":"8-K","filed":"2014-01-28"},{"start":"2011-01-01","end":"2011-12-31","val":60000000,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":0,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2013"},{"start":"2015-01-01","end":"2015-06-30","val":1350000,"accn":"0000845289-15-000018","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-07"}]}},"RepaymentsOfNotesPayable":{"label":"Repayments 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obligation.","units":{"USD":[{"start":"2011-01-01","end":"2011-12-31","val":0,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2011"},{"start":"2012-01-01","end":"2012-12-31","val":0,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17","frame":"CY2012"},{"start":"2013-01-01","end":"2013-12-31","val":4260000,"accn":"0001193125-14-101075","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-17"},{"start":"2013-01-01","end":"2013-12-31","val":4260000,"accn":"0001562762-15-000094","fy":2014,"fp":"FY","form":"10-K","filed":"2015-03-27"},{"start":"2013-01-01","end":"2013-12-31","val":4260000,"accn":"0000845289-16-000026","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-29","frame":"CY2013"},{"start":"2015-01-01","end":"2015-12-31","val":1300000,"accn":"0000845289-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-06","frame":"CY2015"}]}},"RepaymentsOfRelatedPartyDebt":{"label":"Repayments of Related Party Debt","description":"The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.","units":{"USD":[{"start":"2015-01-01","end":"2015-06-30","val":8900000,"accn":"0000845289-16-000037","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-09"}]}},"RestrictedCashAndCashEquivalentsAtCarryingValue":{"label":"Restricted Cash and Cash Equivalents, Current","description":"Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest 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