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Company Name: ENERGY XXI LTD

CIK: 1343719

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2011-11-02

Last Filing Date: 2016-11-14

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

2011-07-01	2012-06-30	CY2010	2012-08-09	0001144204-12-043943	$ 77,310,000	View
2012-07-01	2012-09-30	CY2012Q3I	2012-11-07	0001144204-12-059932	$ 79,162,000	View
2012-10-01	2012-12-31	CY2011Q4	2013-01-31	0001144204-13-004973	$ 79,314,000	View
2013-01-01	2013-03-31	CY2012Q1	2013-05-06	0001144204-13-026384	$ 79,365,000	View
2012-07-01	2013-06-30	CY2011	2013-08-21	0001144204-13-047221	$ 79,063,000	View
2011-07-01	2011-07-03	CY2011Q1I	2011-11-02	0001144204-11-060707	$ 1	View
2011-10-01	2011-12-10	CY2011Q4I	2012-02-02	0001144204-12-005458	$ 1	View
2012-01-01	2012-03-10	CY2012Q1I	2012-05-03	0001144204-12-025744	$ 2	View
2015-10-01	2015-12-31	CY2015Q4	2016-02-16	0001144204-16-081966	$ 95,075,000	View
2015-07-01	2015-09-30	CY2014Q3	2015-11-09	0001144204-15-063583	$ 94,778,000	View
2016-01-01	2016-03-31	CY2016Q1	2016-05-10	0001144204-16-100236	$ 95,916,000	View
2016-07-01	2016-09-30	CY2016Q3	2016-11-14	0001144204-16-134337	$ 97,824,000	View
2014-07-01	2014-09-30	None	2014-11-06	0001144204-14-065540	$ 93,833,000	View
2014-07-01	2014-09-30	CY2014Q3	2014-12-23	0001144204-14-075692	$ 93,833,000	View
2014-10-01	2014-12-31	CY2013Q4	2015-02-09	0001144204-15-007108	$ 93,993,000	View
2015-01-01	2015-03-31	CY2015Q1	2015-05-08	0001144204-15-028566	$ 94,408,000	View
2014-07-01	2015-06-30	CY2014Q4	2015-09-29	0001144204-15-057225	$ 94,167,000	View
2013-07-01	2013-09-30	CY2012Q3	2013-10-30	0001144204-13-057572	$ 75,782,000	View
2013-10-01	2013-12-31	CY2012Q4	2014-02-07	0001144204-14-006793	$ 73,964,000	View
2014-01-01	2014-03-31	CY2013Q1	2014-05-01	0001144204-14-026705	$ 70,437,000	View
2013-07-01	2014-06-30	None	2014-08-25	0001144204-14-052184	$ 74,375,000	View
2013-07-01	2014-06-30	CY2012	2014-12-23	0001144204-14-075690	$ 74,375,000	View
2015-07-01	2016-06-30	CY2016	2016-09-27	0001144204-16-125536	$ 95,822,000	View

SEC Facts By Type

Type	Name	Description	View

us-gaap	Cumulative Effect on Retained Earnings, Tax (Deprecated 2020-01-31)	Amount of the related income tax effect of a cumulative effect on retained earnings.	View
us-gaap	Current Federal Tax Expense (Benefit)	Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.	View
us-gaap	Current State and Local Tax Expense (Benefit)	Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Tax Assets, Property, Plant and Equipment	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.	View
us-gaap	Deferred Tax Assets, State Taxes	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31)	Amount of estimated future cost to be incurred in developing proved oil and gas reserves.	View
us-gaap	Development Stage Entities, Equity Issuance, Per Share Amount (Deprecated 2015-01-31)	Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities.	View
us-gaap	Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31)	Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products.	View
us-gaap	Liabilities, Current	Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.	View
us-gaap	Liabilities Subject to Compromise	Total amount of liabilities subject to compromise.	View
us-gaap	Liabilities Subject to Compromise, Debt and Accrued Interest	The amount of debt and related accrued interest included in liabilities subject to compromise.	View
us-gaap	Prepaid Insurance	Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Prepaid Royalties	Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Proceeds from Deposits with Other Institutions	Cash received from refund of deposits with other institutions during the period.	View
us-gaap	Proceeds from Hedge, Financing Activities	The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.	View
us-gaap	Proceeds from Hedge, Investing Activities	The cash inflow for a financial contract that meets the hedge criteria as either a cash flow hedge, fair value hedge, or hedge of a net investment in a foreign operation.	View
us-gaap	Proceeds from Insurance Settlement, Investing Activities	Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities.	View
us-gaap	Proceeds from Issuance of Common Stock	The cash inflow from the additional capital contribution to the entity.	View
us-gaap	Proceeds from Issuance of Long-term Debt	The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.	View
us-gaap	Proceeds from Issuance or Sale of Equity	The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.	View
us-gaap	Proceeds from (Payments for) Other Financing Activities	Amount of cash inflow (outflow) from financing activities classified as other.	View
us-gaap	Stock Issued During Period, Shares, Treasury Stock Reissued	Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.	View
us-gaap	Stock Issued During Period, Value, Employee Stock Purchase Plan	Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.	View
us-gaap	Stock Issued During Period, Value, New Issues	Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.	View
us-gaap	Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).	View
us-gaap	Stock Issued During Period, Value, Treasury Stock Reissued	Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.	View
us-gaap	Amortization of Debt Issuance Costs	Amount of amortization expense attributable to debt issuance costs.	View
us-gaap	Liabilities and Equity	Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.	View
us-gaap	Other Comprehensive Income (Loss), Tax	Amount of tax expense (benefit) allocated to other comprehensive income (loss).	View
dei	Entity Public Float	The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.	View
us-gaap	Accretion of Discount (Deprecated 2016-01-31)	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.	View
us-gaap	Accrued Income Taxes	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.	View
us-gaap	Accrued Liabilities, Current	Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. 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).	View
us-gaap	Accrued Professional Fees, Current	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. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accrued Professional Fees	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.	View
us-gaap	Accumulated Other Comprehensive Income (Loss), Net of Tax	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.	View
us-gaap	Acquisition Costs, Period Cost	The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.	View
us-gaap	Additional Paid in Capital	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. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.	View
us-gaap	Advances to Affiliate	Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.	View
us-gaap	Share-based Payment Arrangement, Expense	Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss, Current	Amount of allowance for credit loss on accounts receivable, classified as current.	View
us-gaap	Amortization of Debt Discount (Premium)	Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.	View
us-gaap	Amortization of Deferred Leasing Fees	This element represents the amortization of deferred leasing fees incurred by the lessor and amortized over the term of the lease. Such fees represent (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction.	View
us-gaap	Asset Impairment Charges	Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.	View
us-gaap	Asset Retirement Obligation	The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Asset Retirement Obligation, Accretion Expense	Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.	View
us-gaap	Asset Retirement Obligation, Cash Paid to Settle	Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows.	View
us-gaap	Asset Retirement Obligation, Liabilities Incurred	Amount of asset retirement obligations incurred during the period.	View
us-gaap	Asset Retirement Obligation, Liabilities Settled	Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.	View
us-gaap	Asset Retirement Obligation, Revision of Estimate	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 obligation.	View
us-gaap	Asset Retirement Obligations, Noncurrent	Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Assets	Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Bridge Loan	Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing.	View
us-gaap	Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	Number of shares of equity interests issued or issuable to acquire entity.	View
us-gaap	Business Acquisition, Pro Forma Earnings Per Share, Basic	The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Earnings Per Share, Diluted	The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Purchase Price Allocation, Liabilities Assumed (Deprecated 2013-01-31)	The amount of acquisition cost of a business combination allocated to liabilities assumed.	View
us-gaap	Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax	Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Net Income (Loss)	The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.	View
us-gaap	Business Acquisition, Pro Forma Revenue	The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.	View
us-gaap	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	Amount of liabilities assumed at the acquisition date.	View
us-gaap	Capital Expenditures Incurred but Not yet Paid	Future cash outflow to pay for purchases of fixed assets that have occurred.	View
us-gaap	Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost	The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Net	Net amount of capitalized costs relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, Uncompleted Wells, Equipment and Facilities	Capitalized costs of which include those incurred to (1) drill and equip wells that are not yet completed (2) acquire or construct equipment and facilities that are not yet installed.	View
us-gaap	Capitalized Costs, Unproved Properties	Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.	View
us-gaap	Cash	Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Cash and Cash Equivalents, Period Increase (Decrease)	Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Includes effect from exchange rate changes.	View
us-gaap	Common Stock, Dividends, Per Share, Cash Paid	Aggregate dividends paid during the period for each share of common stock outstanding.	View
us-gaap	Common Stock, Dividends, Per Share, Declared	Aggregate dividends declared during the period for each share of common stock outstanding.	View
us-gaap	Common Stock, Par or Stated Value Per Share	Face amount or stated value per share of common stock.	View
us-gaap	Common Stock, Shares Authorized	The maximum number of common shares permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Common Stock, Shares, Issued	Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.	View
us-gaap	Common Stock, Shares, Outstanding	Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.	View
us-gaap	Common Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Convertible Preferred Stock Converted to Other Securities	Value of convertible preferred stock that was converted to other securities.	View
us-gaap	Convertible Preferred Stock, Shares Issued upon Conversion	Number of shares issued for each share of convertible preferred stock that is converted.	View
us-gaap	Costs and Expenses	Total costs of sales and operating expenses for the period.	View
us-gaap	Costs Incurred, Acquisition of Oil and Gas Properties	Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.	View
us-gaap	Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.	View
us-gaap	Costs Incurred, Acquisition of Unproved Oil and Gas Properties	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves.	View
us-gaap	Costs Incurred, Asset Retirement Obligation Incurred	Amount of asset retirement obligations (ARO) costs incurred (whether capitalized or charged to expense) during the period.	View
us-gaap	Costs Incurred, Development Costs	Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.	View
us-gaap	Costs Incurred, Exploration Costs	Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.	View
us-gaap	Cumulative Effect on Retained Earnings, before Tax (Deprecated 2020-01-31)	Amount of the cumulative effect on retained earnings before related income tax effect.	View
us-gaap	Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31)	Amount of the cumulative effect on retained earnings net of related income tax effect.	View
us-gaap	Long-term Debt, Gross	Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.	View
us-gaap	Debt Instrument, Face Amount	Face (par) amount of debt instrument at time of issuance.	View
us-gaap	Debt Instrument, Interest Rate, Stated Percentage	Contractual interest rate for funds borrowed, under the debt agreement.	View
us-gaap	Debt Instrument, Redemption Price, Percentage	Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.	View
us-gaap	Debt Instrument, Repurchase Amount	Fair value amount of debt instrument that was repurchased.	View
us-gaap	Debt Instrument, Unamortized Discount (Premium), Net	Amount, after accumulated amortization, of debt discount (premium).	View
us-gaap	Debt Issuance Cost (Deprecated 2016-01-31)	Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).	View
us-gaap	Debtor Reorganization Items, Legal and Advisory Professional Fees	Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.	View
us-gaap	Debt Related Commitment Fees and Debt Issuance Costs	Represents the charge against earnings during the period for commitment fees and debt issuance expenses.	View
us-gaap	Decrease Due to Sales of Minerals in Place	Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place.	View
us-gaap	Deferred Compensation Arrangement with Individual, Shares Issued	Number of shares issued pursuant to the terms of a deferred compensation arrangement.	View
us-gaap	Deferred Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Income Tax Expense (Benefit)	Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Revenue, Revenue Recognized (Deprecated 2016-01-31)	Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.	View
us-gaap	Deferred State and Local Income Tax Expense (Benefit)	Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Tax Assets, Derivative Instruments	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.	View
us-gaap	Deferred Tax Assets, Gross	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Gross, Current	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.	View
us-gaap	Deferred Tax Assets, Net	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.	View
us-gaap	Deferred Tax Assets, Net, Current	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.	View
us-gaap	Deferred Tax Assets, Net, Noncurrent	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, Domestic	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, State and Local	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.	View
us-gaap	Deferred Tax Assets, Valuation Allowance	Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.	View
us-gaap	Deferred Tax Assets, Valuation Allowance, Current	Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as current.	View
us-gaap	Deferred Tax Liabilities, Net	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.	View
us-gaap	Deferred Tax Liabilities, Net, Current	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.	View
us-gaap	Deferred Tax Liabilities, Derivatives	Amount of deferred tax liability attributable to taxable temporary differences from derivatives.	View
us-gaap	Depreciation, Depletion and Amortization	The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.	View
us-gaap	Derivative Asset, Fair Value, Gross Liability	Fair value of liability associated with 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.	View
us-gaap	Derivative Asset, Not Subject to Master Netting Arrangement	Fair value of 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, not subject to a master netting arrangement.	View
us-gaap	Derivative Asset	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. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Asset, Current	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.	View
us-gaap	Derivative Assets (Liabilities), at Fair Value, Net	Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.	View
us-gaap	Derivative Asset, Noncurrent	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.	View
us-gaap	Derivative, Cash Received on Hedge	The amount of cash received during the period on settlement of a hedge.	View
us-gaap	Derivative, Cost of Hedge Net of Cash Received	The premium (cost) of a hedge, net of any cash received on settlement during the period.	View
us-gaap	Derivative Asset, Fair Value, Gross Asset	Fair value, before 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. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.	View
us-gaap	Derivative Asset, Fair Value, Amount Not Offset Against Collateral	Fair value, after offset of derivative liability, of 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.	View
us-gaap	Derivative Liability, Fair Value, Gross Liability	Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement.	View
us-gaap	Derivative, Gain (Loss) on Derivative, Net	Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.	View
us-gaap	Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.	View
us-gaap	Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.	View
us-gaap	Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.	View
us-gaap	Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31)	The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.	View
us-gaap	Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31)	The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.	View
us-gaap	Derivative Instruments, Loss Recognized in Income (Deprecated 2013-01-31)	The amount of loss recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.	View
us-gaap	Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.	View
us-gaap	Derivative Liability	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.	View
us-gaap	Derivative Liability, Current	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 within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative, Loss on Derivative	Amount of decrease in the fair value of derivatives recognized in the income statement.	View
us-gaap	Derivative, Net Hedge Ineffectiveness Gain (Loss)	Amount of gain (loss) from the ineffectiveness of the hedge.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31)	This is the amount that is derived from using a discount rate of ten percent a year to reflect the timing of the future net cash flows relating to proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31)	Amount of estimated future cash inflows from sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31)	The future cost of developing oil and gas from proved reserves located in this geographic region.	View
us-gaap	Disposal Group, Including Discontinued Operation, Revenue	Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Dividends, Common Stock	Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).	View
us-gaap	Dividends, Preferred Stock	Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).	View
us-gaap	Dividends, Preferred Stock, Stock	Amount of paid and unpaid preferred stock dividends declared with the form of settlement in stock.	View
us-gaap	Due from Related Parties	For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.	View
us-gaap	Due from Related Parties, Current	The aggregate amount of receivables to be collected from related parties 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, at the financial statement date. which are usually due within one year (or one business cycle).	View
us-gaap	Due to Affiliate, Current	Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Due to Related Parties, Current	Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Earnings Per Share, Basic	The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.	View
us-gaap	Earnings Per Share, Basic and Diluted	The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. 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 period.	View
us-gaap	Earnings Per Share, Diluted	The amount of net income (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 period.	View
us-gaap	Effective Income Tax Rate Reconciliation, Percent	Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	Percentage of domestic federal statutory tax rate applicable to pretax income (loss).	View
us-gaap	Employee-related Liabilities, Current	Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	Amount of cost not yet recognized for nonvested award under share-based payment arrangement.	View
us-gaap	Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	Amount of cost to be recognized for option under share-based payment arrangement.	View
us-gaap	Employee Stock Ownership Plan (ESOP), Deferred Shares	Represents the carrying amount of shares held by the ESOP as of the balance sheet date in which no ESOP participant has a vested interest and no lender has a claim.	View
us-gaap	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3	Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3	Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
us-gaap	Gain (Loss) on Hedging Activity	Gain (loss) incurred in hedging activities.	View
us-gaap	Gain (Loss) on Repurchase of Debt Instrument	Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.	View
us-gaap	Gain (Loss) on Sale of Commodity Contracts	The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds.	View
us-gaap	Gain (Loss) on Sale of Derivatives	The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.	View
us-gaap	Gain (Loss) on Sale of Other Investments	Amount of gain (loss) included in earnings for investments classified as other.	View
us-gaap	Gain (Loss) on Extinguishment of Debt	Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.	View
us-gaap	Goodwill	Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Goodwill, Impairment Loss	Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Impairment of Oil and Gas Properties	The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Domestic	The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Foreign	The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.	View
us-gaap	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.	View
us-gaap	Income (Loss) from Equity Method Investments	Amount of income (loss) for proportionate share of equity method investee's income (loss).	View
us-gaap	Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Income Taxes Paid	The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.	View
us-gaap	Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).	View
us-gaap	Increase (Decrease) in Accounts Receivable	The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.	View
us-gaap	Increase (Decrease) in Asset Retirement Obligations	The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations.	View
us-gaap	Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves.	View
us-gaap	Increase (Decrease) in Inventories and Other Operating Assets	Amount of increase (decrease) in inventory, and assets classified as other.	View
us-gaap	Increase (Decrease) in Operating Capital	The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.	View
us-gaap	Increase (Decrease) in Other Financial Instruments Used in Operating Activities	Amount of increase (decrease) in fair value of other financial instruments used in operating activities.	View
us-gaap	Increase (Decrease) in Prepaid Expense and Other Assets	Amount of increase (decrease) in prepaid expenses, and assets classified as other.	View
us-gaap	Increase (Decrease) in Prepaid Rent	Amount of increase (decrease) of consideration paid in advance for rent that provides economic benefits in future periods.	View
us-gaap	Increase (Decrease) in Restricted Cash	The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.	View
us-gaap	Increase Due to Purchases of Minerals in Place	Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place.	View
us-gaap	Increase in Restricted Cash	Amount of cash outflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.	View
us-gaap	Insurance Settlements Receivable, Current	Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.	View
us-gaap	Interest and Dividends Payable, Current	Sum of the carrying values as of the balance sheet date of (a) interest payable on all forms of debt, including trade payables, that has been incurred, and (b) dividends declared but unpaid on equity securities issued by the entity and outstanding (also includes dividends collected on behalf of another owner of securities that are being held by the entity). Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Interest Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.	View
us-gaap	Interest Payable, Current	Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.	View
us-gaap	Inventory, Net	Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.	View
us-gaap	Operating Leases, Rent Expense	Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.	View
us-gaap	Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	Amount of lease operating expense related to property used in oil and gas production.	View
us-gaap	Letters of Credit Outstanding, Amount	The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.	View
us-gaap	Liabilities	Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.	View
us-gaap	Line of Credit Facility, Remaining Borrowing Capacity	Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).	View
us-gaap	Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	Percentage discount rate used to calculate present value of an expected stream of future payments, which is included in the calculation of the amount of the specified guaranteed benefit obligation as of the balance sheet date.	View
us-gaap	Long-term Debt	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.	View
us-gaap	Long-term Debt, Current Maturities	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.	View
us-gaap	Long-term Debt, Fair Value	The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.	View
us-gaap	Long-Term Debt, Maturity, after Year Five	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 after fifth 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).	View
us-gaap	Long-Term Debt, Maturity, Year One	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).	View
us-gaap	Long-Term Debt, Maturity, Year Five	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 fifth 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).	View
us-gaap	Long-Term Debt, Maturity, Year Four	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).	View
us-gaap	Long-Term Debt, Maturity, Year Three	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).	View
us-gaap	Long-Term Debt, Maturity, Year Two	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).	View
us-gaap	Long-term Debt, Excluding Current Maturities	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 obligations.	View
us-gaap	Loss Contingency, Damages Sought, Value	The value (monetary amount) of the award the plaintiff seeks in the legal matter.	View
us-gaap	Loss Contingency, Number of Plaintiffs	Number of plaintiffs that have filed claims pertaining to a loss contingency.	View
us-gaap	Loss Contingency, Pending Claims, Number	Number of pending claims pertaining to a loss contingency.	View
us-gaap	Natural Gas Midstream Revenue (Deprecated 2018-01-31)	Midstream refers to those gas industry activities that fall between exploration and production (upstream) and refining and marketing (downstream). It may be applied to the gathering, processing, transmission and storage of natural gas; including the treating of natural gas to remove impurities, along with the sale of by-products such as residue gas, natural gas liquids and condensate.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities, Continuing Operations	Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities, Continuing Operations	Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Income (Loss) Attributable to Parent	The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.	View
us-gaap	Net Income (Loss) Available to Common Stockholders, Basic	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.	View
us-gaap	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
us-gaap	Nonoperating Income (Expense)	The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).	View
us-gaap	Notes Payable, Current	Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.	View
us-gaap	Notes Receivable, Related Parties	For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.	View
us-gaap	Number of Reporting Units	Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.	View
us-gaap	Oil and Condensate Revenue (Deprecated 2018-01-31)	Revenue from sale of residue oil and condensate, which normally exists in the reservoir as gas but condenses out as a liquid during production.	View
us-gaap	Oil and Gas Delivery Commitments and Contracts, Significant Supplies Dedicated or Contracted to Entity	Significant oil and gas supplies dedicated or contracted to the enterprise that can be used to fulfill existing contracts or agreements.	View
us-gaap	Oil and Gas Joint Interest Billing Receivables, Current	Current portion of accounts receivable attributable to joint interest partners in oil and gas properties. These are billings to the non-operators associated with the operation of wells and are based on those owners' working interests in the wells. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.	View
us-gaap	Oil and Gas Property, Full Cost Method, Depletion	Depletion of oil and gas property carried under the full cost method.	View
us-gaap	Oil and Gas Property, Full Cost Method, Net	Oil and gas properties, net of depletion, carried under the full cost method.	View
us-gaap	Oil and Gas Sales Payable	Carrying value as of the balance sheet date of obligations incurred and payable to third parties for oil and gas that has been sold but not delivered.	View
us-gaap	Oil and Gas Sales Revenue (Deprecated 2018-01-31)	Revenue from the sale of oil and gas during the period.	View
us-gaap	Operating Income (Loss)	The net result for the period of deducting operating expenses from operating revenues.	View
us-gaap	Operating Leases, Future Minimum Payments Due	Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.	View
us-gaap	Prepaid Expense and Other Assets, Current	Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Five Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Four Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Three Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Two Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due Thereafter	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable	Future minimum rental payments in aggregate as of the balance sheet date under operating leases.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, Current	Future rental payments receivable within one year of the balance sheet date under an operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, in Five Years	Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, in Four Years	Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, in Three Years	Future rental payments receivable within the third year from the balance sheet date under an operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, in Two Years	Future rental payments receivable within the second year from the balance sheet date under an operating lease.	View
us-gaap	Operating Leases, Future Minimum Payments Receivable, Thereafter	Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.	View
us-gaap	Other Accrued Liabilities, Current	Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.	View
us-gaap	Other Assets, Noncurrent	Amount of noncurrent assets classified as other.	View
us-gaap	Other Comprehensive Income (Loss), before Tax	Amount before tax, after reclassification adjustments of other comprehensive income (loss).	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax	Amount after tax and reclassification adjustments of other comprehensive income (loss).	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31)	Before tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.	View
us-gaap	Other Expenses	Amount of expense classified as other.	View
us-gaap	Other General and Administrative Expense	Amount of general and administrative expense classified as other.	View
us-gaap	Other Liabilities	Amount of liabilities classified as other.	View
us-gaap	Other Liabilities, Current	Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.	View
us-gaap	Other Liabilities, Noncurrent	Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.	View
us-gaap	Other Nonoperating Income	Amount of income related to nonoperating activities, classified as other.	View
us-gaap	Other Prepaid Expense, Current	Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Paid-in-Kind Interest	Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.	View
us-gaap	Payments for Repurchase of Common Stock	The cash outflow to reacquire common stock during the period.	View
us-gaap	Payments for Repurchase of Redeemable Convertible Preferred Stock	The cash outflow to reacquire callable preferred stock which is identified as being convertible to another type of financial security.	View
us-gaap	Payment for Debt Extinguishment or Debt Prepayment Cost	Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.	View
us-gaap	Payments of Debt Issuance Costs	The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.	View
us-gaap	Payments of Dividends	Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.	View
us-gaap	Payments of Ordinary Dividends, Common Stock	Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.	View
us-gaap	Payments of Ordinary Dividends, Preferred Stock and Preference Stock	Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.	View
us-gaap	Payments to Acquire Businesses, Net of Cash Acquired	The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.	View
us-gaap	Payments to Acquire Equity Method Investments	The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.	View
us-gaap	Payments to Acquire Oil and Gas Property and Equipment	The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.	View
us-gaap	Payments to Explore and Develop Oil and Gas Properties	The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas).	View
us-gaap	Preferred Stock Conversions, Inducements	The excess of (1) the fair value of all securities and other consideration transferred in transactions by the registrant to the holders of the convertible preferred stock over (2) the fair value of securities issuable pursuant to the original conversion terms, during the accounting period.	View
us-gaap	Preferred Stock, Par or Stated Value Per Share	Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.	View
us-gaap	Preferred Stock, Shares Authorized	The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Preferred Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Proceeds from Sale of Oil and Gas Property and Equipment	The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.	View
us-gaap	Proceeds from Sales of Business, Affiliate and Productive Assets	Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.	View
us-gaap	Production Tax Expense	A tax assessed on oil and gas production.	View
us-gaap	Property, Plant and Equipment, Net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	View
us-gaap	Property, Plant and Equipment, Other, Gross	Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.	View
us-gaap	Property, Plant and Equipment, Other, Accumulated Depreciation	Amount of accumulated depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.	View
us-gaap	Property, Plant and Equipment, Other, Net	Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.	View
us-gaap	Proved Developed and Undeveloped Reserve, Net (Energy)	Energy measure of proved reserve of oil and gas, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Proved Developed and Undeveloped Reserve, Production (Energy)	Energy measure of decrease in quantity of proved reserve of oil and gas resulting from production, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Proved Developed and Undeveloped Reserve, Purchase of Mineral in Place (Energy)	Energy measure of increase in quantity of proved reserve of oil and gas resulting from purchase of mineral in place, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy)	Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from new information, except for an increase in proved acreage, or change in economic factors, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Proved Developed and Undeveloped Reserves, Sale of Mineral in Place (Energy)	Energy measure of decrease in quantity of proved reserve of oil and gas resulting from sale of mineral in place, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Accounts Receivable, Credit Loss Expense (Reversal)	Amount of expense (reversal of expense) for expected credit loss on accounts receivable.	View
us-gaap	Reorganization Items	Total amount of reorganization items.	View
us-gaap	Repayments of Assumed Debt	The cash outflow from the repayments of a long-term debt originally issued by another party but is assumed by the entity.	View
us-gaap	Repayments of Long-term Debt	The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.	View
us-gaap	Restricted Cash and Cash Equivalents	Amount of cash and cash equivalents restricted as to withdrawal or usage. 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 rates.	View
us-gaap	Restricted Cash and Cash Equivalents, Current	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 rates.	View
us-gaap	Results of Operations, Accretion of Asset Retirement Obligations	Accretion expense of asset retirement obligations related to oil and gas producing activities.	View
us-gaap	Retained Earnings (Accumulated Deficit)	The cumulative amount of the reporting entity's undistributed earnings or deficit.	View
us-gaap	Revisions of Previous Quantity Estimates	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves.	View
us-gaap	Sales and Transfers of Oil and Gas Produced, Net of Production Costs	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.	View
us-gaap	Sales of Oil and Gas Prospects (Deprecated 2018-01-31)	Revenue derived from sale of oil and gas exploratory and developmental prospects.	View
us-gaap	Share-based Payment Arrangement, Noncash Expense	Amount of noncash expense for share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	Net number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	Number of options outstanding, including both vested and non-vested options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares	Number of non-vested options forfeited.	View
us-gaap	Short-term Debt	Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.	View
us-gaap	Short-term Investments	Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.	View
us-gaap	Significant Costs Incurred to Acquire Mineral Interest of Proved Reserves	Significant costs that have been incurred, including capitalized costs and costs charged to expense, to acquire mineral interests that have proved reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	Stockholders' Equity Attributable to Parent	Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.	View
us-gaap	Stock Issued During Period, Shares, Employee Stock Purchase Plans	Number of shares issued during the period as a result of an employee stock purchase plan.	View
us-gaap	Stock Issued During Period, Shares, New Issues	Number of new stock issued during the period.	View
us-gaap	Stock Repurchased During Period, Value	Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.	View
us-gaap	Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)	Amount of a stock repurchase plan authorized by an entity's Board of Directors.	View
us-gaap	Stock Repurchase Program, Authorized Amount	Amount of stock repurchase plan authorized.	View
us-gaap	Stock Repurchase Program, Remaining Authorized Repurchase Amount (Deprecated 2014-01-31)	Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.	View
us-gaap	Stock Repurchase Program, Remaining Authorized Repurchase Amount	Amount remaining of a stock repurchase plan authorized.	View
us-gaap	Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.	View
us-gaap	Taxes, Other	Amount of tax expense classified as other.	View
us-gaap	Trading Securities, Restricted, Current (Deprecated 2013-01-31)	Total of all securities which are categorized as trading, are intended to be held for less than one year or the normal operating cycle, whichever is longer, and that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral.	View
us-gaap	Unrealized Gain (Loss) on Derivatives	The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.	View
us-gaap	Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.	View
us-gaap	Valuation Allowance, Amount (Deprecated 2013-01-31)	The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns.	View
us-gaap	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.	View
us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment	The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.	View
us-gaap	Weighted Average Number of Shares Outstanding, Diluted	The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic and Diluted	Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic	Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.	View
us-gaap	Wells in Process of Drilling	The number of wells in the process of being drilled in each geographic area as of the date listed.	View
dei	Entity Common Stock, Shares Outstanding	Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.	View
us-gaap	Accounts Payable, Current	Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts Receivable, after Allowance for Credit Loss, Current	Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.	View
us-gaap	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.	View
us-gaap	Asset Retirement Obligation, Current	Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Assets, Current	Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Capitalized Costs, Proved Properties	Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.	View
us-gaap	Cash and Cash Equivalents, at Carrying Value	Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Debt Conversion, Converted Instrument, Amount	"The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.	View
us-gaap	Deferred Tax Liabilities, Gross, Current	Amount of deferred tax liability attributable to taxable temporary differences classified as current.	View
us-gaap	Deferred Tax Liabilities, Net, Noncurrent	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.	View
us-gaap	Deferred Tax Liabilities, Other	Amount of deferred tax liability attributable to taxable temporary differences classified as other.	View
us-gaap	Deferred Tax Liabilities, Property, Plant and Equipment	Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.	View
us-gaap	Defined Contribution Plan, Cost	Amount of cost for defined contribution plan.	View
us-gaap	Derivative Liability, Fair Value, Amount Not Offset Against Collateral	Fair value, after offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.	View
us-gaap	Derivative Liability, Noncurrent	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.	View
us-gaap	Derivative Liability, Fair Value, Gross Asset	Fair value of asset associated with 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.	View
us-gaap	Derivative Liability, Not Subject to Master Netting Arrangement	Fair value of 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, not subject to a master netting arrangement.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31)	The estimated future income tax expenses that will be incurred based on the future income less future expenses derived from production and sale of proved oil and gas reserves in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31)	Amount of estimated future income tax expense to be incurred based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31)	Amount of estimated net future cash inflows, after subtracting future development and production costs and future income tax expenses, from sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	The future cost of producing oil and gas from proved reserves located in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31)	Amount of estimated future cost to be incurred in producing proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	This amount is the future net cash flows less the computed discount.	View
us-gaap	Equity Method Investments	This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.	View
us-gaap	Exploration Costs, Period Cost	"The capitalized costs incurred during the period (excluded from amortization) 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."	View
us-gaap	Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.	View
us-gaap	Gain (Loss) on Derivative Instruments, Net, Pretax	Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.	View
us-gaap	General and Administrative Expense	The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.	View
us-gaap	Income Taxes Receivable, Current	Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.	View
us-gaap	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.	View
us-gaap	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses.	View
us-gaap	Increase (Decrease) in Accounts Payable and Accrued Liabilities	The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.	View
us-gaap	Increase (Decrease) in Fair Value of Hedged Item in Price Risk Fair Value Hedge (Deprecated 2012-01-31)	Amount of unrealized gain (loss) recognized in earnings in the period related to the fair value of the hedged item in a price risk fair value hedge, as offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective.	View
us-gaap	Long-term Line of Credit	The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. 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. 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.	View
us-gaap	Natural Gas Production Revenue (Deprecated 2018-01-31)	Revenue from natural gas production during the reporting period. Natural gas consists largely of the hydrocarbon methane, and is found in underground formations either by itself or with crude oil.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities	Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities	Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities, Continuing Operations	Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities	Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Operating Leases, Future Minimum Payments Due, Next Twelve Months	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31)	Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.	View
us-gaap	Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).	View
us-gaap	Payments for Other Deposits	Amount of cash outflow for deposits classified as other.	View
us-gaap	Payments for (Proceeds from) Investments	The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.	View
us-gaap	Payments for (Proceeds from) Other Deposits	Amount of cash (inflow) outflow from deposits classified as other.	View
us-gaap	Payments for (Proceeds from) Other Investing Activities	Amount of cash (inflow) outflow from investing activities classified as other.	View
us-gaap	Proceeds from Sale of Equity Method Investments	The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.	View
us-gaap	Proved Developed and Undeveloped Reserve, Extension and Discovery (Energy)	Energy measure of increase in quantity of proved reserve of oil and gas resulting from the extension of the proved acreage of previously discovered reservoir or discovery of new field with proved reserve or of new reservoir of proved reserve in old field, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	View
us-gaap	Revenue from Related Parties	Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.	View
us-gaap	Stock Repurchased During Period, Shares	Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.	View
us-gaap	Treasury Stock Acquired, Average Cost Per Share	Total cost of shares repurchased divided by the total number of shares repurchased.	View
us-gaap	Treasury Stock Reissued at Lower than Repurchase Price	In cases when treasury stock is reissued at a price lower than the cost to repurchase, the excess difference between the selling price and cost to repurchase is charged against retained earnings (assuming that all APIC arising from treasury stock transactions has first been exhausted).	View
us-gaap	Treasury Stock, Shares	Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.	View
us-gaap	Treasury Stock, Shares, Retired	Number of shares of common and preferred stock retired from treasury during the period.	View
us-gaap	Treasury Stock, Value	The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.	View
us-gaap	Unamortized Debt Issuance Expense	The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.	View

Chart of Accounts => Accounts

Name	View

Accounts Payable, Current	View
Accounts Receivable, after Allowance for Credit Loss, Current	View
Accretion of Discount (Deprecated 2016-01-31)	View
Accrued Income Taxes	View
Accrued Liabilities, Current	View
Accrued Professional Fees, Current	View
Accrued Professional Fees	View
Accumulated Other Comprehensive Income (Loss), Net of Tax	View
Acquisition Costs, Period Cost	View
Additional Paid in Capital	View
Advances to Affiliate	View
Share-based Payment Arrangement, Expense	View
Accounts Receivable, Allowance for Credit Loss, Current	View
Amortization of Debt Discount (Premium)	View
Amortization of Deferred Leasing Fees	View
Amortization of Debt Issuance Costs	View
Asset Impairment Charges	View
Asset Retirement Obligation	View
Asset Retirement Obligation, Accretion Expense	View
Asset Retirement Obligation, Cash Paid to Settle	View
Asset Retirement Obligation, Liabilities Incurred	View
Asset Retirement Obligation, Liabilities Settled	View
Asset Retirement Obligation, Revision of Estimate	View
Asset Retirement Obligations, Noncurrent	View
Assets	View
Assets, Current	View
Bridge Loan	View
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	View
Business Acquisition, Pro Forma Earnings Per Share, Basic	View
Business Acquisition, Pro Forma Earnings Per Share, Diluted	View
Business Acquisition, Purchase Price Allocation, Liabilities Assumed (Deprecated 2013-01-31)	View
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax	View
Business Acquisition, Pro Forma Net Income (Loss)	View
Business Acquisition, Pro Forma Revenue	View
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	View
Capital Expenditures Incurred but Not yet Paid	View
Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost	View
Capitalized Costs, Oil and Gas Producing Activities, Net	View
Capitalized Costs, Proved Properties	View
Capitalized Costs, Uncompleted Wells, Equipment and Facilities	View
Capitalized Costs, Unproved Properties	View
Cash	View
Cash and Cash Equivalents, at Carrying Value	View
Cash and Cash Equivalents, Period Increase (Decrease)	View
Common Stock, Dividends, Per Share, Cash Paid	View
Common Stock, Dividends, Per Share, Declared	View
Common Stock, Par or Stated Value Per Share	View
Common Stock, Shares Authorized	View
Common Stock, Shares, Issued	View
Common Stock, Shares, Outstanding	View
Common Stock, Value, Issued	View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	View
Convertible Preferred Stock Converted to Other Securities	View
Costs Incurred, Acquisition of Oil and Gas Properties	View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	View
Costs Incurred, Acquisition of Unproved Oil and Gas Properties	View
Costs Incurred, Asset Retirement Obligation Incurred	View
Costs Incurred, Development Costs	View
Costs Incurred, Exploration Costs	View
Cumulative Effect on Retained Earnings, before Tax (Deprecated 2020-01-31)	View
Cumulative Effect on Retained Earnings, Net of Tax (Deprecated 2020-01-31)	View
Cumulative Effect on Retained Earnings, Tax (Deprecated 2020-01-31)	View
Current Federal Tax Expense (Benefit)	View
Current Income Tax Expense (Benefit)	View
Current State and Local Tax Expense (Benefit)	View
Debt Conversion, Converted Instrument, Amount	View
Long-term Debt, Gross	View
Debt Instrument, Face Amount	View
Debt Instrument, Interest Rate, Stated Percentage	View
Debt Instrument, Redemption Price, Percentage	View
Debt Instrument, Repurchase Amount	View
Debt Instrument, Unamortized Discount (Premium), Net	View
Debt Issuance Cost (Deprecated 2016-01-31)	View
Debtor Reorganization Items, Legal and Advisory Professional Fees	View
Debt Related Commitment Fees and Debt Issuance Costs	View
Decrease Due to Sales of Minerals in Place	View
Deferred Federal Income Tax Expense (Benefit)	View
Deferred Income Tax Expense (Benefit)	View
Deferred Revenue, Revenue Recognized (Deprecated 2016-01-31)	View
Deferred State and Local Income Tax Expense (Benefit)	View
Deferred Tax Assets, Derivative Instruments	View
Deferred Tax Assets, Gross	View
Deferred Tax Assets, Gross, Current	View
Deferred Tax Assets, Net	View
Deferred Tax Assets, Net, Current	View
Deferred Tax Assets, Net, Noncurrent	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	View
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	View
Deferred Tax Assets, Other	View
Deferred Tax Assets, Property, Plant and Equipment	View
Deferred Tax Assets, State Taxes	View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	View
Deferred Tax Assets, Valuation Allowance	View
Deferred Tax Assets, Valuation Allowance, Current	View
Deferred Tax Liabilities, Net	View
Deferred Tax Liabilities, Net, Current	View
Deferred Tax Liabilities, Derivatives	View
Depreciation, Depletion and Amortization	View
Derivative Asset, Fair Value, Gross Liability	View
Derivative Asset, Not Subject to Master Netting Arrangement	View
Derivative Asset	View
Derivative Asset, Current	View
Derivative Assets (Liabilities), at Fair Value, Net	View
Derivative Asset, Noncurrent	View
Derivative, Cash Received on Hedge	View
Derivative, Cost of Hedge Net of Cash Received	View
Derivative Asset, Fair Value, Gross Asset	View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	View
Derivative Liability, Fair Value, Gross Liability	View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	View
Derivative, Gain (Loss) on Derivative, Net	View
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	View
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	View
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	View
Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31)	View
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net (Deprecated 2018-01-31)	View
Derivative Instruments, Loss Recognized in Income (Deprecated 2013-01-31)	View
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	View
Derivative Liability	View
Derivative Liability, Current	View
Derivative Liability, Noncurrent	View
Derivative Liability, Fair Value, Gross Asset	View
Derivative Liability, Not Subject to Master Netting Arrangement	View
Derivative, Loss on Derivative	View
Derivative, Net Hedge Ineffectiveness Gain (Loss)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31)	View
Net Cash Provided by (Used in) Operating Activities	View
Disposal Group, Including Discontinued Operation, Revenue	View
Dividends, Common Stock	View
Dividends, Preferred Stock	View
Dividends, Preferred Stock, Stock	View
Due from Related Parties	View
Due from Related Parties, Current	View
Due to Affiliate, Current	View
Due to Related Parties, Current	View
Earnings Per Share, Basic	View
Earnings Per Share, Basic and Diluted	View
Earnings Per Share, Diluted	View
Effective Income Tax Rate Reconciliation, Percent	View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	View
Employee-related Liabilities, Current	View
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	View
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	View
Employee Stock Ownership Plan (ESOP), Deferred Shares	View
Development Stage Entities, Equity Issuance, Per Share Amount (Deprecated 2015-01-31)	View
Equity Method Investments	View
Exploration Costs, Period Cost	View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	View
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	View
Gain (Loss) on Derivative Instruments, Net, Pretax	View
Gain (Loss) on Hedging Activity	View
Gain (Loss) on Repurchase of Debt Instrument	View
Gain (Loss) on Sale of Commodity Contracts	View
Gain (Loss) on Sale of Derivatives	View
Gain (Loss) on Sale of Other Investments	View
Gain (Loss) on Extinguishment of Debt	View
Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31)	View
General and Administrative Expense	View
Goodwill	View
Goodwill, Impairment Loss	View
Impairment of Oil and Gas Properties	View
Income (Loss) from Continuing Operations before Income Taxes, Domestic	View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	View
Income (Loss) from Continuing Operations before Income Taxes, Foreign	View
Income (Loss) from Equity Method Investments	View
Income Tax Expense (Benefit)	View
Income Taxes Paid	View
Income Taxes Receivable, Current	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	View
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	View
Increase (Decrease) in Accounts Payable and Accrued Liabilities	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Asset Retirement Obligations	View
Increase (Decrease) in Fair Value of Hedged Item in Price Risk Fair Value Hedge (Deprecated 2012-01-31)	View
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	View
Increase (Decrease) in Inventories and Other Operating Assets	View
Increase (Decrease) in Operating Capital	View
Increase (Decrease) in Other Financial Instruments Used in Operating Activities	View
Increase (Decrease) in Prepaid Expense and Other Assets	View
Increase (Decrease) in Prepaid Rent	View
Increase (Decrease) in Restricted Cash	View
Increase Due to Purchases of Minerals in Place	View
Increase in Restricted Cash	View
Insurance Settlements Receivable, Current	View
Interest and Dividends Payable, Current	View
Interest Expense	View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	View
Interest Payable, Current	View
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	View
Inventory, Net	View
Operating Leases, Rent Expense	View
Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	View
Letters of Credit Outstanding, Amount	View
Liabilities	View
Liabilities and Equity	View
Liabilities, Current	View
Liabilities Subject to Compromise	View
Liabilities Subject to Compromise, Debt and Accrued Interest	View
Long-term Line of Credit	View
Line of Credit Facility, Remaining Borrowing Capacity	View
Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate	View
Long-term Debt	View
Long-term Debt, Current Maturities	View
Long-term Debt, Fair Value	View
Long-Term Debt, Maturity, after Year Five	View
Long-Term Debt, Maturity, Year One	View
Long-Term Debt, Maturity, Year Five	View
Long-Term Debt, Maturity, Year Four	View
Long-Term Debt, Maturity, Year Three	View
Long-Term Debt, Maturity, Year Two	View
Long-term Debt, Excluding Current Maturities	View
Loss Contingency, Damages Sought, Value	View
Loss Contingency, Number of Plaintiffs	View
Loss Contingency, Pending Claims, Number	View
Natural Gas Midstream Revenue (Deprecated 2018-01-31)	View
Natural Gas Production Revenue (Deprecated 2018-01-31)	View
Net Cash Provided by (Used in) Financing Activities	View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	View
Net Cash Provided by (Used in) Investing Activities	View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	View
Net Income (Loss) Attributable to Parent	View
Net Income (Loss) Available to Common Stockholders, Basic	View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	View
Nonoperating Income (Expense)	View
Notes Payable, Current	View
Notes Receivable, Related Parties	View
Number of Reporting Units	View
Oil and Condensate Revenue (Deprecated 2018-01-31)	View
Oil and Gas Delivery Commitments and Contracts, Significant Supplies Dedicated or Contracted to Entity	View
Oil and Gas Joint Interest Billing Receivables, Current	View
Oil and Gas Property, Full Cost Method, Depletion	View
Oil and Gas Property, Full Cost Method, Net	View
Oil and Gas Sales Payable	View
Oil and Gas Sales Revenue (Deprecated 2018-01-31)	View
Operating Income (Loss)	View
Operating Leases, Future Minimum Payments Due	View
Operating Leases, Future Minimum Payments Due, Next Twelve Months	View
Operating Leases, Future Minimum Payments, Due in Five Years	View
Operating Leases, Future Minimum Payments, Due in Four Years	View
Operating Leases, Future Minimum Payments, Due in Three Years	View
Operating Leases, Future Minimum Payments, Due in Two Years	View
Operating Leases, Future Minimum Payments, Due Thereafter	View
Operating Leases, Future Minimum Payments Receivable	View
Operating Leases, Future Minimum Payments Receivable, Current	View
Operating Leases, Future Minimum Payments Receivable, in Five Years	View
Operating Leases, Future Minimum Payments Receivable, in Four Years	View
Operating Leases, Future Minimum Payments Receivable, in Three Years	View
Operating Leases, Future Minimum Payments Receivable, in Two Years	View
Operating Leases, Future Minimum Payments Receivable, Thereafter	View
Other Accrued Liabilities, Current	View
Other Assets, Noncurrent	View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), before Tax	View
Other Comprehensive Income (Loss), Net of Tax	View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	View
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2013-01-31)	View
Other Comprehensive Income (Loss), Tax	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	View
Other Expenses	View
Other General and Administrative Expense	View
Other Liabilities	View
Other Liabilities, Current	View
Other Liabilities, Noncurrent	View
Other Nonoperating Income	View
Other Prepaid Expense, Current	View
Paid-in-Kind Interest	View
Payments for Repurchase of Common Stock	View
Payments for Repurchase of Redeemable Convertible Preferred Stock	View
Payment for Debt Extinguishment or Debt Prepayment Cost	View
Payments of Debt Issuance Costs	View
Payments of Dividends	View
Payments of Ordinary Dividends, Common Stock	View
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	View
Payments to Acquire Businesses, Net of Cash Acquired	View
Payments to Acquire Equity Method Investments	View
Payments to Acquire Oil and Gas Property and Equipment	View
Payments to Explore and Develop Oil and Gas Properties	View
Preferred Stock, Par or Stated Value Per Share	View
Preferred Stock, Shares Authorized	View
Preferred Stock, Value, Issued	View
Prepaid Expense and Other Assets, Current	View
Prepaid Insurance	View
Prepaid Royalties	View
Proceeds from Hedge, Investing Activities	View
Proceeds from Issuance of Common Stock	View
Proceeds from Issuance or Sale of Equity	View
Proceeds from (Payments for) Other Financing Activities	View
Proceeds from Sale of Equity Method Investments	View
Proceeds from Sale of Oil and Gas Property and Equipment	View
Proceeds from Sales of Business, Affiliate and Productive Assets	View
Production Tax Expense	View
Property, Plant and Equipment, Net	View
Property, Plant and Equipment, Other, Gross	View
Property, Plant and Equipment, Other, Accumulated Depreciation	View
Property, Plant and Equipment, Other, Net	View
Proved Developed and Undeveloped Reserve, Extension and Discovery (Energy)	View
Proved Developed and Undeveloped Reserve, Net (Energy)	View
Proved Developed and Undeveloped Reserve, Production (Energy)	View
Proved Developed and Undeveloped Reserve, Purchase of Mineral in Place (Energy)	View
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy)	View
Proved Developed and Undeveloped Reserves, Sale of Mineral in Place (Energy)	View
Accounts Receivable, Credit Loss Expense (Reversal)	View
Reorganization Items	View
Repayments of Assumed Debt	View
Repayments of Long-term Debt	View
Restricted Cash and Cash Equivalents	View
Restricted Cash and Cash Equivalents, Current	View
Results of Operations, Accretion of Asset Retirement Obligations	View
Retained Earnings (Accumulated Deficit)	View
Revenue from Related Parties	View
Revisions of Previous Quantity Estimates	View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	View
Sales of Oil and Gas Prospects (Deprecated 2018-01-31)	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares	View
Short-term Debt	View
Short-term Investments	View
Significant Costs Incurred to Acquire Mineral Interest of Proved Reserves	View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other	View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	View
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	View
Stockholders' Equity Attributable to Parent	View
Stock Issued During Period, Shares, New Issues	View
Stock Issued During Period, Shares, Treasury Stock Reissued	View
Stock Issued During Period, Value, Employee Stock Purchase Plan	View
Stock Issued During Period, Value, New Issues	View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	View
Stock Issued During Period, Value, Treasury Stock Reissued	View
Stock Repurchased During Period, Shares	View
Stock Repurchased During Period, Value	View
Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)	View
Stock Repurchase Program, Authorized Amount	View
Stock Repurchase Program, Remaining Authorized Repurchase Amount (Deprecated 2014-01-31)	View
Stock Repurchase Program, Remaining Authorized Repurchase Amount	View
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	View
Taxes, Other	View
Trading Securities, Restricted, Current (Deprecated 2013-01-31)	View
Unrealized Gain (Loss) on Derivatives	View
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	View
Valuation Allowance, Amount (Deprecated 2013-01-31)	View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	View
Weighted Average Number Diluted Shares Outstanding Adjustment	View
Weighted Average Number of Shares Outstanding, Diluted	View
Weighted Average Number of Shares Outstanding, Basic and Diluted	View
Weighted Average Number of Shares Outstanding, Basic	View
Wells in Process of Drilling	View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	View
Asset Retirement Obligation, Current	View
Convertible Preferred Stock, Shares Issued upon Conversion	View
Costs and Expenses	View
Deferred Compensation Arrangement with Individual, Shares Issued	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	View
Deferred Tax Liabilities, Gross, Current	View
Deferred Tax Liabilities, Net, Noncurrent	View
Deferred Tax Liabilities, Other	View
Deferred Tax Liabilities, Property, Plant and Equipment	View
Defined Contribution Plan, Cost	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	View
Payments for Other Deposits	View
Payments for (Proceeds from) Investments	View
Payments for (Proceeds from) Other Deposits	View
Payments for (Proceeds from) Other Investing Activities	View
Preferred Stock Conversions, Inducements	View
Proceeds from Deposits with Other Institutions	View
Proceeds from Hedge, Financing Activities	View
Proceeds from Insurance Settlement, Investing Activities	View
Proceeds from Issuance of Long-term Debt	View
Stock Issued During Period, Shares, Employee Stock Purchase Plans	View
Treasury Stock Acquired, Average Cost Per Share	View
Treasury Stock Reissued at Lower than Repurchase Price	View
Treasury Stock, Shares	View
Treasury Stock, Shares, Retired	View
Treasury Stock, Value	View
Unamortized Debt Issuance Expense	View

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