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Company Name: EPL OIL & GAS, INC.

CIK: 750199

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2011-08-03

Last Filing Date: 2016-05-16

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

2013-07-01	2013-09-30	CY2014Q3I	2014-11-12	0001144204-14-067242	$ 38,589,000	View
2013-10-01	2013-12-31	CY2013Q4	2015-02-13	0001144204-15-008842	$ 38,641,000	View
2015-07-01	2015-09-30	CY2015Q3	2015-11-13	0001144204-15-065083	$ 2,064,000	View
2015-10-01	2015-12-31	CY2015Q4	2016-02-16	0001144204-16-081969	$ -491,000	View
2015-07-01	2016-03-31	CY2015Q1	2016-05-16	0001144204-16-102037	$ 1,573,000	View
2012-01-01	2012-03-31	CY2011Q1	2012-05-03	0001193125-12-207513	$ 39,121,000	View
2012-01-01	2012-12-31	CY2010	2013-03-07	0000750199-13-000004	$ 38,885,000	View
2013-01-01	2013-03-31	CY2012Q1	2013-05-02	0000750199-13-000014	$ 38,823,000	View
2013-04-01	2013-06-30	CY2013Q2	2013-08-01	0000750199-13-000032	$ 38,871,000	View
2013-07-01	2013-09-30	CY2012Q3	2013-10-31	0000750199-13-000037	$ 38,589,000	View
2013-01-01	2013-12-31	CY2013	2014-02-28	0000750199-14-000021	$ 38,730,000	View
2014-01-01	2014-03-31	CY2014Q1	2014-05-08	0000750199-14-000026	$ 38,714,000	View
2014-01-01	2014-06-03	CY2013	2014-09-24	0001144204-14-057428	$ 38,730,000	View
2014-01-01	2014-06-03	CY2013Q3	2015-10-13	0001144204-15-059063	$ 38,730,000	View
2011-04-01	2011-06-30	CY2010Q2	2011-08-03	0001193125-11-207908	$ 40,109,000	View
2011-07-01	2011-09-30	CY2010Q3	2011-11-03	0001193125-11-294658	$ 40,093,000	View
2012-04-01	2012-06-30	CY2011Q2	2012-08-02	0001193125-12-331251	$ 38,914,000	View
2012-07-01	2012-09-30	CY2011Q3	2012-11-01	0000750199-12-000006	$ 38,743,000	View
2015-01-01	2015-03-31	CY2015Q1I	2015-05-15	0001144204-15-031217	$ 530,402,000	View
	2011-12-31	CY2010Q4I	2012-03-08	0001193125-12-104001	$ 11,361,000	View

SEC Facts By Type

Type	Name	Description	View

us-gaap	Debt Instrument, Interest Rate, Stated Percentage	Contractual interest rate for funds borrowed, under the debt agreement.	View
us-gaap	Debt Instrument, Unamortized Premium	Amount, after accumulated amortization, of debt premium.	View
us-gaap	Accounts Payable and Accrued Liabilities, Current	Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.	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	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	Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Costs	For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs.	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	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, 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, Employer Discretionary Contribution Amount	Amount of discretionary contributions made by an employer to a defined contribution plan.	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 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	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	Exploration Expense	"Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells."	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	Increase (Decrease) in Prepaid Expense	The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.	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	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	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	Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization	Amount of accumulated depreciation, depletion and amortization of oil and gas property carried under the successful effort method. Oil and gas property include, but not limited to, the entity's wells and related equipment and facilities.	View
us-gaap	Other Oil and Gas Property, Successful Effort Method	Amount of oil and gas properties accounted for using the successful effort method, classified as other.	View
us-gaap	Other Significant Noncash Transaction, Value of Consideration Received	"The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period."	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	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	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.	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	Debt Instrument, Collateral Amount	Amount of assets pledged to secure a debt instrument.	View
us-gaap	Increase (Decrease) in Other Noncurrent Assets	Amount of increase (decrease) in noncurrent assets classified as other.	View
us-gaap	Increase (Decrease) in Other Receivables	Amount of increase (decrease) in receivables classified as other.	View
us-gaap	Other Notes Payable, Noncurrent	Amount of long-term notes classified as other, payable after one year or the normal operating cycle, if longer.	View
us-gaap	Proceeds from Stock Options Exercised	Amount of cash inflow from exercise of option under share-based payment arrangement.	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	Current Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.	View
us-gaap	Debt Instrument, Fair Value Disclosure	Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.	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
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	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	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 Bonuses, Current	Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. 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 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	Accumulated Amortization, Debt Issuance Costs, Noncurrent	Amount of accumulated amortization of debt issuance costs classified as noncurrent.	View
us-gaap	Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)	Amount of increase (decrease) in accumulated depreciation, depletion and amortization of property, plant and equipment.	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	Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities	The aggregate amount of adjustments to net income or loss necessary to remove the effects of all items whose cash effects are investing or financing cash flows. The aggregate amount also includes all noncash expenses and income items which reduce or increase net income and are thus added back or deducted when calculating cash provided by or used in operating activities.	View
us-gaap	Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.	View
us-gaap	APIC, Share-based Payment Arrangement, Recognition and Exercise	Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement.	View
us-gaap	APIC, Share-based Payment Arrangement, Increase for Cost Recognition	Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss	Amount of allowance for credit loss on accounts receivable.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss, Recovery	Amount of increase in allowance for credit loss on accounts receivable, from recovery.	View
us-gaap	Amortization of Debt Issuance Costs and Discounts	Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.	View
us-gaap	Area of Land	Area of land held.	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, 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	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	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	Assets Held-for-sale, Property, Plant and Equipment (Deprecated 2014-01-31)	Property, plant and equipment that is held for sale apart from normal operations and anticipated to be sold in less than one year.	View
us-gaap	Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)	The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.	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 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, Acquisition Related Costs	This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.	View
us-gaap	Business Combination, Consideration Transferred, Liabilities Incurred	Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.	View
us-gaap	Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed	For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed.	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	Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, Mineral Interests in Proved Properties	Capitalized costs of proved properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that interest.	View
us-gaap	Capitalized Costs, Mineral Interests in Unproved Properties	Capitalized costs of unproven properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that interest.	View
us-gaap	Capitalized Costs of Unproved Properties Excluded from Amortization, Cumulative	The sum of the capitalized costs incurred, as of the balance sheet date, 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, 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	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 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	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, 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	Conversion of Stock, Shares Converted	"The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	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 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	Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.	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	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 Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Debt Issuance Costs, Noncurrent, Net	Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	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 Tax Liabilities, Gross	Amount of deferred tax liability attributable to taxable temporary differences.	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, Noncurrent	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.	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 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, Current	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.	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, 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 Credit Carryforwards, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, 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 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	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, Prepaid Expenses	Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.	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	The premium (cost) of a hedge, expensed 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 Asset, Fair Value, Amount Offset Against Collateral	Fair value, after effects of master netting arrangements, 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 offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.	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 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, Fair Value, Amount Offset Against Collateral	Fair value, after effects of master netting arrangements, 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 offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Financial Instruments, Liabilities, Fair Value Disclosure (Deprecated 2013-01-31)	Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.	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	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	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 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 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, 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, 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	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	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	Disposal Group, Including Discontinued Operation, Accrued Liabilities	Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.	View
us-gaap	Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.	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	Earnest Money Deposits	A deposit made by a purchaser of real estate to evidence good faith. It is customary for a buyer to give the seller earnest money at the time a sales contract is signed. The earnest money generally is credited to the down payment at closing, which is applied at closing as a component of payment against the purchase price.	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	Increase (Decrease) in Other Operating Liabilities	Amount of increase (decrease) in operating liabilities classified as other.	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	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	Percentage 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 changes in the valuation allowance for deferred tax assets.	View
us-gaap	Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	Percentage 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 changes in the income tax rates.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	Percentage 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, Depletion, Percent	Percentage 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 depletion.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	Percentage 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 impairment loss.	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	Percentage 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, State and Local Income Taxes, Percent	Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).	View
us-gaap	Share-based Payment Arrangement, Expense, Tax Benefit	Amount of tax benefit for recognition of expense of award under share-based payment arrangement.	View
us-gaap	Escrow Deposit	The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.	View
us-gaap	Excess Tax Benefit from Share-based Compensation, Financing Activities	Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.	View
us-gaap	Exploration Abandonment and Impairment Expense	The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project.	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	Federal Income Tax Expense (Benefit), Continuing Operations	Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.	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 Derivative Instruments, Net, Pretax	Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.	View
us-gaap	Gain (Loss) on Price Risk Derivative Instruments Not Designated as Hedging Instruments	Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.	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 Disposition of Other Assets	Amount of gain (loss) on sale or disposal of other assets.	View
us-gaap	Gain (Loss) on Sale of Properties, before Applicable Income Taxes (Deprecated 2020-01-31)	This element represents the amount of gain (loss) on sale of properties during the reporting period gross of the applicable income taxes realized.	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	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	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	Goodwill, Period Increase (Decrease)	Amount of increase (decrease) 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	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, Net of Tax, Attributable to Parent	Amount after tax of income (loss) from continuing operations attributable to the parent.	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 Tax Expense (Benefit)	Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)	The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.	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 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 Estimated Future Development Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.	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 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	Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.	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 Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Expense, Subordinated Notes and Debentures	Interest expense incurred during the reporting period on subordinated notes and debentures. Includes amortization of expenses incurred in the issuance of subordinated notes and debentures.	View
us-gaap	Interest Income (Expense), Nonoperating, Net	The net amount of nonoperating interest income (expense).	View
us-gaap	Interest Payable	Amount of interest payable on debt, including, but not limited to, trade payables.	View
us-gaap	Investment Income, Interest	Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.	View
us-gaap	Investments	Sum of the carrying amounts as of the balance sheet date of all investments.	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	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	Liabilities and Equity	Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.	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 of Assets Held-for-sale (Deprecated 2014-01-31)	Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset.	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, 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, 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	Long-term Purchase Commitment, Amount	The minimum amount the entity agreed to spend under the long-term purchase commitment.	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	Noncontrolling Interest, Ownership Percentage by Parent	The parent entity's interest in net assets of the subsidiary, expressed as a percentage.	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) 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) 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	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 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, Related Parties, Current	The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Notes Payable, Related Parties	The amount for notes payable (written promise to pay), due to related parties.	View
us-gaap	Notes Payable, Related Parties, Noncurrent	The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).	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 Property, Successful Effort Method, Gross	Oil and Gas properties, gross, carried under the successful effort method.	View
us-gaap	Oil and Gas Property, Successful Effort Method, Net	Oil and gas properties net of accumulated depreciation, depletion, amortization, impairment, and abandonment, carried under the successful effort method.	View
us-gaap	Oil and Gas Revenue (Deprecated 2018-01-31)	Aggregate revenue during the period related to oil and gas business activities.	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	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	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 Loss Carryforwards	Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.	View
us-gaap	Other Accrued Liabilities	Amount of expenses incurred but not yet paid classified as other.	View
us-gaap	Other Assets, Current	Amount of current assets classified as other.	View
us-gaap	Other Assets, Fair Value Disclosure	Fair value portion of other assets.	View
us-gaap	Other Assets, Noncurrent	Amount of noncurrent assets classified as other.	View
us-gaap	Other Cash Equivalents, at Carrying Value	Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates, classified as other. Excludes cash and cash equivalents within disposal group and discontinued operation.	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), Tax	Amount of tax expense (benefit) allocated to other comprehensive income (loss).	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	Other Cost and Expense, Operating	The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.	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 Operating Income (Expense), Net	The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.	View
us-gaap	Other Revenue, Net (Deprecated 2018-01-31)	Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.	View
us-gaap	Other Tax Expense (Benefit)	Amount of other income tax expense (benefit).	View
us-gaap	Participating Securities, Distributed and Undistributed Earnings (Deprecated 2014-01-31)	Aggregate of earnings distributed and earnings allocated to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed.	View
us-gaap	Payments for Deposits on Real Estate Acquisitions	Cash outflow related to amounts given in advance to show or confirm an intention to complete an acquisition of land, buildings, other structures, or any item classified as real estate.	View
us-gaap	Payments for Other Deposits	Amount of cash outflow for deposits classified as other.	View
us-gaap	Payments for (Proceeds from) Derivative Instrument, Financing Activities	The net cash outflow or inflow from derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.	View
us-gaap	Payments for Repurchase of Common Stock	The cash outflow to reacquire common stock during the period.	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 Financing Costs	The cash outflow for loan and debt issuance costs.	View
us-gaap	Payments to Acquire Furniture and Fixtures	The cash outflow for acquisition of furniture and fixtures.	View
us-gaap	Payments to Acquire Oil and Gas Property	The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and 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, 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, Shares Issued	Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.	View
us-gaap	Preferred Stock, Shares Outstanding	Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.	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	Prepaid Expense, Current	Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.	View
us-gaap	Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31)	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred.	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 (Repayments of) Other Long-term Debt	Amount of cash inflow (outflow) from other long-term debt.	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	Proceeds from Sales of Assets, Investing Activities	Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.	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	Proved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with proved reserves under the successful effort method.	View
us-gaap	Regulatory Liability, Noncurrent	The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.	View
us-gaap	Related Party Costs	Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.	View
us-gaap	Repayment of Notes Receivable from Related Parties	The cash inflow from a loan, supported by a promissory note, granted to 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.	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, Noncurrent	Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. 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, Transportation Costs	Includes the cost to prepare and move liquid hydrocarbons and natural gas to their points of sale.	View
us-gaap	Retained Earnings (Accumulated Deficit)	The cumulative amount of the reporting entity's undistributed earnings or deficit.	View
us-gaap	Revenues	Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).	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	Senior Notes, Noncurrent	Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.	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, Fair Value Assumptions, Expected Dividend Rate	The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	The risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	Number of shares authorized for issuance under share-based payment arrangement.	View
us-gaap	Share Price	Price of a single share of a number of saleable stocks of a company.	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	State and Local Income Tax Expense (Benefit), Continuing Operations	Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.	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, Value, Other	Value of shares of stock issued attributable to transactions classified as other.	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	Taxes, Miscellaneous	All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.	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, Acquired	Number of shares that have been repurchased during the period and are being held in treasury.	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	Treasury Stock, Value, Acquired, Cost Method	Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.	View
us-gaap	Unproved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with unproved reserves under the successful effort method.	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	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

Chart of Accounts => Accounts

Name	View

Business Combination, Consideration Transferred, Liabilities Incurred	View
Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	View
Defined Contribution Plan, Employer Discretionary Contribution Amount	View
Depreciation, Depletion and Amortization	View
Derivative Asset, Not Subject to Master Netting Arrangement	View
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	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, Ten Percent Annual Discount for Estimated Timing of Cash Flows	View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	View
Property, Plant and Equipment, Other, Gross	View
Property, Plant and Equipment, Other, Accumulated Depreciation	View
Weighted Average Number of Shares Outstanding, Basic	View
Accounts Payable and Accrued Liabilities, Current	View
Accounts Payable, Current	View
Accounts Receivable, after Allowance for Credit Loss, Current	View
Accretion of Discount (Deprecated 2016-01-31)	View
Accrued Bonuses, Current	View
Accrued Liabilities, Current	View
Accumulated Amortization, Debt Issuance Costs, Noncurrent	View
Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)	View
Accumulated Other Comprehensive Income (Loss), Net of Tax	View
Acquisition Costs, Period Cost	View
Additional Paid in Capital	View
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities	View
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	View
APIC, Share-based Payment Arrangement, Recognition and Exercise	View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	View
Accounts Receivable, Allowance for Credit Loss	View
Accounts Receivable, Allowance for Credit Loss, Recovery	View
Amortization of Debt Issuance Costs and Discounts	View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	View
Area of Land	View
Asset Retirement Obligation	View
Asset Retirement Obligation, Accretion Expense	View
Asset Retirement Obligation, Current	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
Assets Held-for-sale, Property, Plant and Equipment (Deprecated 2014-01-31)	View
Business Acquisition, Cost of Acquired Entity, Purchase Price (Deprecated 2013-01-31)	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 Net Income (Loss)	View
Business Acquisition, Pro Forma Revenue	View
Business Combination, Acquisition Related Costs	View
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed	View
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Costs	View
Capitalized Costs, Mineral Interests in Proved Properties	View
Capitalized Costs, Mineral Interests in Unproved Properties	View
Capitalized Costs of Unproved Properties Excluded from Amortization, Cumulative	View
Capitalized Costs, Oil and Gas Producing Activities, Net	View
Capitalized Costs, Proved Properties	View
Capitalized Costs, Unproved Properties	View
Cash and Cash Equivalents, at Carrying Value	View
Cash and Cash Equivalents, Period Increase (Decrease)	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
Conversion of Stock, Shares Converted	View
Costs and Expenses	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
Current Income Tax Expense (Benefit)	View
Long-term Debt, Gross	View
Debt Instrument, Collateral Amount	View
Debt Instrument, Fair Value Disclosure	View
Debt Instrument, Interest Rate, Stated Percentage	View
Debt Instrument, Unamortized Premium	View
Debt Issuance Cost (Deprecated 2016-01-31)	View
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	View
Debtor Reorganization Items, Legal and Advisory Professional Fees	View
Decrease Due to Sales of Minerals in Place	View
Deferred Federal Income Tax Expense (Benefit)	View
Debt Issuance Costs, Noncurrent, Net	View
Deferred Income Tax Expense (Benefit)	View
Deferred Tax Liabilities, Gross	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, Noncurrent	View
Deferred Tax Assets, Net	View
Deferred Tax Assets, Net, Current	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Current	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, State Taxes	View
Deferred Tax Assets, Tax Credit Carryforwards, Other	View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	View
Deferred Tax Assets, Valuation Allowance	View
Deferred Tax Liabilities, Net	View
Deferred Tax Liabilities, Net, Current	View
Deferred Tax Liabilities, Derivatives	View
Deferred Tax Liabilities, Net, Noncurrent	View
Deferred Tax Liabilities, Other	View
Deferred Tax Liabilities, Prepaid Expenses	View
Deferred Tax Liabilities, Property, Plant and Equipment	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	View
Derivative Asset, Fair Value, Gross Asset	View
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	View
Derivative Asset, Fair Value, Amount Offset Against Collateral	View
Derivative Liability, Fair Value, Gross Liability	View
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	View
Derivative Liability, Fair Value, Amount Offset Against Collateral	View
Derivative Financial Instruments, Liabilities, Fair Value Disclosure (Deprecated 2013-01-31)	View
Derivative, Gain (Loss) on Derivative, Net	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 Liability	View
Derivative Liability, Current	View
Derivative Liability, Noncurrent	View
Derivative Liability, Not Subject to Master Netting Arrangement	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
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
Disposal Group, Including Discontinued Operation, Accrued Liabilities	View
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	View
Due to Related Parties, Current	View
Earnest Money Deposits	View
Earnings Per Share, Basic	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
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	View
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Percent	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	View
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	View
Share-based Payment Arrangement, Expense, Tax Benefit	View
Escrow Deposit	View
Excess Tax Benefit from Share-based Compensation, Financing Activities	View
Exploration Abandonment and Impairment Expense	View
Exploration Expense	View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	View
Federal Income Tax Expense (Benefit), Continuing Operations	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
Gain (Loss) on Derivative Instruments, Net, Pretax	View
Gain (Loss) on Price Risk Derivative Instruments Not Designated as Hedging Instruments	View
Gain (Loss) on Sale of Derivatives	View
Gain (Loss) on Disposition of Other Assets	View
Gain (Loss) on Sale of Properties, before Applicable Income Taxes (Deprecated 2020-01-31)	View
Gain (Loss) on Extinguishment of Debt	View
General and Administrative Expense	View
Goodwill	View
Goodwill, Impairment Loss	View
Goodwill, Period Increase (Decrease)	View
Impairment of Oil and Gas Properties	View
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	View
Income Tax Expense (Benefit)	View
Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)	View
Increase (Decrease) in Accounts Payable and Accrued Liabilities	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Asset Retirement Obligations	View
Changes in Estimated Future Development Costs	View
Increase (Decrease) in Other Financial Instruments Used in Operating Activities	View
Increase (Decrease) in Other Noncurrent Assets	View
Increase (Decrease) in Other Operating Liabilities	View
Increase (Decrease) in Other Receivables	View
Increase (Decrease) in Prepaid Expense	View
Increase (Decrease) in Restricted Cash	View
Increase Due to Purchases of Minerals in Place	View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	View
Insurance Settlements Receivable, Current	View
Interest Expense	View
Interest Expense, Subordinated Notes and Debentures	View
Interest Income (Expense), Nonoperating, Net	View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	View
Interest Payable	View
Investment Income, Interest	View
Investments	View
Operating Leases, Rent Expense	View
Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	View
Liabilities	View
Liabilities and Equity	View
Liabilities, Current	View
Liabilities of Assets Held-for-sale (Deprecated 2014-01-31)	View
Long-term Line of Credit	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, Maturity, Year One	View
Long-Term Debt, Maturity, Year Four	View
Long-Term Debt, Maturity, Year Three	View
Long-term Debt, Excluding Current Maturities	View
Long-term Purchase Commitment, Amount	View
Loss Contingency, Number of Plaintiffs	View
Loss Contingency, Pending Claims, Number	View
Noncontrolling Interest, Ownership Percentage by Parent	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) Operating Activities	View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	View
Net Income (Loss) Attributable to Parent	View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	View
Nonoperating Income (Expense)	View
Notes Payable, Related Parties, Current	View
Notes Payable, Related Parties	View
Notes Payable, Related Parties, Noncurrent	View
Number of Reporting Units	View
Oil and Condensate Revenue (Deprecated 2018-01-31)	View
Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization	View
Oil and Gas Property, Successful Effort Method, Gross	View
Oil and Gas Property, Successful Effort Method, Net	View
Oil and Gas 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 Loss Carryforwards	View
Other Accrued Liabilities	View
Other Assets, Current	View
Other Assets, Fair Value Disclosure	View
Other Assets, Noncurrent	View
Other Cash Equivalents, at Carrying Value	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), Tax	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	View
Other Cost and Expense, Operating	View
Other Liabilities, Noncurrent	View
Other Notes Payable, Noncurrent	View
Other Oil and Gas Property, Successful Effort Method	View
Other Operating Income (Expense), Net	View
Other Revenue, Net (Deprecated 2018-01-31)	View
Other Significant Noncash Transaction, Value of Consideration Received	View
Other Tax Expense (Benefit)	View
Participating Securities, Distributed and Undistributed Earnings (Deprecated 2014-01-31)	View
Payments for Deposits on Real Estate Acquisitions	View
Payments for Other Deposits	View
Payments for (Proceeds from) Derivative Instrument, Financing Activities	View
Payments for Repurchase of Common Stock	View
Payments of Debt Issuance Costs	View
Payments of Financing Costs	View
Payments to Acquire Furniture and Fixtures	View
Payments to Acquire Oil and Gas Property	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, Shares Issued	View
Preferred Stock, Shares Outstanding	View
Preferred Stock, Value, Issued	View
Prepaid Expense, Current	View
Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31)	View
Proceeds from Issuance of Long-term Debt	View
Proceeds from (Repayments of) Other Long-term Debt	View
Proceeds from Sale of Equity Method Investments	View
Proceeds from Sales of Assets, Investing Activities	View
Proceeds from Stock Options Exercised	View
Property, Plant and Equipment, Net	View
Proved Oil and Gas Property, Successful Effort Method	View
Regulatory Liability, Noncurrent	View
Related Party Costs	View
Repayment of Notes Receivable from Related Parties	View
Repayments of Long-term Debt	View
Restricted Cash and Cash Equivalents	View
Restricted Cash and Cash Equivalents, Current	View
Restricted Cash and Cash Equivalents, Noncurrent	View
Results of Operations, Transportation Costs	View
Retained Earnings (Accumulated Deficit)	View
Revenues	View
Revisions of Previous Quantity Estimates	View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	View
Senior Notes, Noncurrent	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	View
Share Price	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
State and Local Income Tax Expense (Benefit), Continuing Operations	View
Stockholders' Equity Attributable to Parent	View
Stock Issued During Period, Value, Other	View
Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)	View
Stock Repurchase Program, Authorized Amount	View
Taxes, Miscellaneous	View
Treasury Stock, Shares	View
Treasury Stock, Shares, Acquired	View
Treasury Stock, Value	View
Treasury Stock, Value, Acquired, Cost Method	View
Unproved Oil and Gas Property, Successful Effort Method	View
Unrealized Gain (Loss) on Derivatives	View
Weighted Average Number Diluted Shares Outstanding Adjustment	View
Weighted Average Number of Shares Outstanding, Diluted	View

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