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zedExploratoryWellCosts":{"label":"Capitalized 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Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. 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. 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Equivalents, at Carrying Value","description":"Amount of 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 rates. 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Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting 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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2017-12-31","val":600000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"end":"2017-12-31","val":600000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16","frame":"CY2017Q4I"},{"end":"2018-09-30","val":937000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2018Q3I"},{"end":"2018-12-31","val":937000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16"},{"end":"2018-12-31","val":937000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":937000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":937000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":937000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2022-01-05","val":15000000,"accn":"0001493152-22-013053","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q4I"}]}},"LitigationSettlementExpense":{"label":"Litigation Settlement, Expense","description":"Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.","units":{"USD":[{"start":"2017-01-01","end":"2017-12-31","val":188000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16","frame":"CY2017"},{"start":"2021-01-01","end":"2021-12-31","val":427000,"accn":"0001493152-22-007884","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-28"},{"start":"2021-01-01","end":"2021-12-31","val":427000,"accn":"0001493152-23-012144","fy":2022,"fp":"FY","form":"10-K","filed":"2023-04-13","frame":"CY2021"},{"start":"2021-12-01","end":"2021-12-31","val":427000,"accn":"0001493152-22-013053","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2021-12-01","end":"2021-12-31","val":427000,"accn":"0001493152-22-022087","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11"},{"start":"2021-12-01","end":"2021-12-31","val":427000,"accn":"0001493152-22-031398","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10","frame":"CY2021Q4I"}]}},"LongLivedAssetsHeldForSaleImpairmentCharge":{"label":"Long Lived Assets Held-for-sale, Impairment Charge (Deprecated 2013-01-31)","description":"The loss recognized for any initial write-down from carrying value to fair value less cost to sell for a classified as held for sale.","units":{"USD":[{"end":"2012-06-30","val":2000000,"accn":"0000101594-12-000051","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":2000000,"accn":"0000101594-12-000069","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2011-12-31","val":22304000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2011Q4I"},{"end":"2012-06-30","val":15200000,"accn":"0000101594-12-000051","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":18100000,"accn":"0000101594-12-000069","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":19821000,"accn":"0000101594-14-000007","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2012-12-31","val":19821000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18"},{"end":"2013-03-31","val":19700000,"accn":"0000101594-13-000023","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10","frame":"CY2013Q1I"},{"end":"2013-06-30","val":19700000,"accn":"0000101594-13-000037","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":7200000,"accn":"0000101594-13-000049","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08","frame":"CY2013Q3I"},{"end":"2013-12-31","val":9000000,"accn":"0000101594-14-000007","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"}]}},"LongTermDebtCurrent":{"label":"Long-term Debt, Current Maturities","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","units":{"USD":[{"end":"2010-12-31","val":200000,"accn":"0000101594-11-000069","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-11"},{"end":"2010-12-31","val":200000,"accn":"0000101594-11-000086","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07"},{"end":"2010-12-31","val":200000,"accn":"0000101594-12-000017","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-14","frame":"CY2010Q4I"},{"end":"2011-06-30","val":200000,"accn":"0000101594-11-000069","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-11","frame":"CY2011Q2I"},{"end":"2011-09-30","val":200000,"accn":"0000101594-11-000086","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07","frame":"CY2011Q3I"},{"end":"2011-12-31","val":200000,"accn":"0000101594-12-000017","fy":2011,"fp":"FY","form":"10-K","filed":"2012-03-14"},{"end":"2011-12-31","val":200000,"accn":"0000101594-12-000033","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10"},{"end":"2011-12-31","val":200000,"accn":"0000101594-12-000051","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09"},{"end":"2011-12-31","val":200000,"accn":"0000101594-12-000069","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09"},{"end":"2011-12-31","val":200000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2011Q4I"},{"end":"2012-03-31","val":200000,"accn":"0000101594-12-000033","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-10","frame":"CY2012Q1I"},{"end":"2012-06-30","val":200000,"accn":"0000101594-12-000051","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-09-30","val":200000,"accn":"0000101594-12-000069","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-09","frame":"CY2012Q3I"},{"end":"2012-12-31","val":200000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18"},{"end":"2012-12-31","val":200000,"accn":"0000101594-13-000023","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10"},{"end":"2012-12-31","val":200000,"accn":"0000101594-13-000037","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08"},{"end":"2012-12-31","val":200000,"accn":"0000101594-13-000049","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08"},{"end":"2012-12-31","val":200000,"accn":"0000101594-14-000007","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2012Q4I"},{"end":"2013-03-31","val":200000,"accn":"0000101594-13-000023","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-10","frame":"CY2013Q1I"},{"end":"2013-06-30","val":200000,"accn":"0000101594-13-000037","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-08","frame":"CY2013Q2I"},{"end":"2013-09-30","val":200000,"accn":"0000101594-13-000049","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-08","frame":"CY2013Q3I"},{"end":"2013-12-31","val":0,"accn":"0000101594-14-000007","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-12","frame":"CY2013Q4I"},{"end":"2015-12-31","val":6000000,"accn":"0001615774-16-004967","fy":2015,"fp":"FY","form":"10-K","filed":"2016-04-14"},{"end":"2015-12-31","val":6000000,"accn":"0001615774-16-005478","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16"},{"end":"2015-12-31","val":6000000,"accn":"0001615774-16-006824","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"end":"2015-12-31","val":6000000,"accn":"0001615774-16-008508","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-21"},{"end":"2015-12-31","val":6000000,"accn":"0001615774-17-001735","fy":2016,"fp":"FY","form":"10-K","filed":"2017-04-17","frame":"CY2015Q4I"},{"end":"2016-03-31","val":6000000,"accn":"0001615774-16-005478","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-16","frame":"CY2016Q1I"},{"end":"2016-06-30","val":6000000,"accn":"0001615774-16-006824","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15","frame":"CY2016Q2I"},{"end":"2016-09-30","val":6000000,"accn":"0001615774-16-008508","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-21","frame":"CY2016Q3I"},{"end":"2016-12-31","val":6000000,"accn":"0001615774-17-001735","fy":2016,"fp":"FY","form":"10-K","filed":"2017-04-17"},{"end":"2016-12-31","val":6000000,"accn":"0001615774-17-002537","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-19"},{"end":"2016-12-31","val":6000000,"accn":"0001615774-17-004370","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"end":"2016-12-31","val":6000000,"accn":"0001615774-17-006711","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-14"},{"end":"2016-12-31","val":6000000,"accn":"0001493152-18-004053","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-28","frame":"CY2016Q4I"},{"end":"2017-03-31","val":6000000,"accn":"0001615774-17-002537","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-19","frame":"CY2017Q1I"},{"end":"2017-12-31","val":600000,"accn":"0001493152-18-004053","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-28"},{"end":"2017-12-31","val":600000,"accn":"0001493152-18-006704","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-14"},{"end":"2017-12-31","val":600000,"accn":"0001493152-18-011826","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-14","frame":"CY2017Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":508000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2012Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2012Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":8987000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2012Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2012-12-31","val":10326000,"accn":"0000101594-13-000008","fy":2012,"fp":"FY","form":"10-K","filed":"2013-03-18","frame":"CY2012Q4I"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease 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ermInvestments":{"label":"Long-term 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Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. 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Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2017-12-31","val":100000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"end":"2017-12-31","val":100000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16","frame":"CY2017Q4I"},{"end":"2018-09-30","val":100000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2018Q3I"},{"end":"2018-12-31","val":100000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16"},{"end":"2018-12-31","val":100000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":100000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":100000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":100000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":100000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":100000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q2I"},{"end":"2019-09-30","val":100000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":100000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":100000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"end":"2019-12-31","val":100000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":100000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16"},{"end":"2019-12-31","val":100000,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26","frame":"CY2019Q4I"},{"end":"2020-03-31","val":100000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"},{"end":"2020-06-30","val":100000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":100000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2020Q3I"},{"end":"2020-12-31","val":100000,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26","frame":"CY2020Q4I"}]}},"TemporaryEquitySharesIssued":{"label":"Temporary Equity, Shares Issued","description":"The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2017-12-31","val":50000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"end":"2017-12-31","val":50000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16","frame":"CY2017Q4I"},{"end":"2018-09-30","val":50000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2018Q3I"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":50000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":50000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":50000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q2I"},{"end":"2019-09-30","val":50000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16"},{"end":"2019-12-31","val":50000,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26","frame":"CY2019Q4I"},{"end":"2020-03-31","val":50000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"},{"end":"2020-06-30","val":50000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":50000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26","frame":"CY2020Q4I"}]}},"TemporaryEquitySharesOutstanding":{"label":"Temporary Equity, Shares Outstanding","description":"The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. 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If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.","units":{"shares":[{"end":"2017-12-31","val":50000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"end":"2017-12-31","val":50000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16","frame":"CY2017Q4I"},{"end":"2018-09-30","val":50000,"accn":"0001493152-18-015626","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2018Q3I"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-014181","fy":2018,"fp":"FY","form":"10-K","filed":"2019-09-16"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15"},{"end":"2018-12-31","val":50000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"end":"2018-12-31","val":50000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30","frame":"CY2018Q4I"},{"end":"2019-03-31","val":50000,"accn":"0001493152-19-015516","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":50000,"accn":"0001493152-19-015520","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-10-15","frame":"CY2019Q2I"},{"end":"2019-09-30","val":50000,"accn":"0001493152-19-017507","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-005194","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"end":"2019-12-31","val":50000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16"},{"end":"2019-12-31","val":50000,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26","frame":"CY2019Q4I"},{"end":"2020-03-31","val":50000,"accn":"0001493152-20-008754","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"},{"end":"2020-06-30","val":50000,"accn":"0001493152-20-015626","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14","frame":"CY2020Q2I"},{"end":"2020-09-30","val":50000,"accn":"0001493152-20-021693","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2020Q3I"},{"end":"2020-12-31","val":0,"accn":"0001493152-21-006877","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-26"},{"end":"2020-12-31","val":50000,"accn":"0001493152-21-011310","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":50000,"accn":"0001493152-21-019531","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q4I"}]}},"UnrealizedGainLossOnCommodityContracts":{"label":"Unrealized 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