us-gaap |
Increase (Decrease) in Other Receivables |
Amount of increase (decrease) in receivables classified as other. |
View
|
us-gaap |
Share-based Payment Arrangement, Noncash Expense |
Amount of noncash expense for share-based payment arrangement. |
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
|
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
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
|
srt |
Previously Estimated Development Costs Incurred |
Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred. |
View
|
srt |
Proved Developed and Undeveloped Reserve, Production (Energy) |
Energy measure of decrease in quantity of proved reserve of oil and gas resulting from production, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). |
View
|
srt |
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
|
srt |
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
|
srt |
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount |
Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves. |
View
|
srt |
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 |
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 |
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 Payable, Trade, Current |
Carrying value as of the balance sheet date of obligations 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 |
Accretion of Discount (Deprecated 2016-01-31) |
Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time. |
View
|
us-gaap |
Accrued Income Taxes, Current |
Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. |
View
|
us-gaap |
Accrued Liabilities, Current |
Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
View
|
us-gaap |
Accrued Payroll Taxes |
Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. |
View
|
us-gaap |
Accrued Royalties, Current |
Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. 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 Depreciation, Depletion and Amortization, Property, Plant, and Equipment |
Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. |
View
|
us-gaap |
Acquisition Costs, Cumulative |
The capitalized costs incurred (excluded from amortization), as of the date of the balance sheet, 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 |
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 |
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 |
Adjustments to Additional Paid in Capital, Other |
Amount of other increase (decrease) in additional paid in capital (APIC). |
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 |
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net |
Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP). |
View
|
us-gaap |
Share-based Payment Arrangement, Expense |
Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. |
View
|
us-gaap |
Amortization Expense Per Physical Unit of Production |
Amortization computed on the basis of physical units, with oil and gas converted to a common unit of measure on the basis of their approximate relative energy content. |
View
|
us-gaap |
Amortization of Debt Discount (Premium) |
Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. |
View
|
us-gaap |
Amortization of Debt Issuance Costs |
Amount of amortization expense attributable to debt issuance costs. |
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 |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. |
View
|
us-gaap |
Asset Retirement Obligation |
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 |
Business Acquisition, Cost of Acquired Entity, Cash Paid (Deprecated 2013-01-31) |
Amount of cash paid to acquire the entity. |
View
|
us-gaap |
Business Acquisition, Purchase Price Allocation, Other Assets (Deprecated 2013-01-31) |
Amount of acquisition cost of a business combination allocated to other assets not separately disclosed in the balance sheet. |
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, Consideration Transferred |
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. |
View
|
us-gaap |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |
Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. |
View
|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |
Amount of assets acquired at the acquisition date. |
View
|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |
Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. |
View
|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |
Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. |
View
|
us-gaap |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |
Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. |
View
|
us-gaap |
Business Combination, Separately Recognized Transactions, Assets Recognized |
The assets recognized for each amount of assets recorded in a transaction with the acquiree that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. |
View
|
us-gaap |
Capital Expenditures Incurred but Not yet Paid |
Future cash outflow to pay for purchases of fixed assets that have occurred. |
View
|
us-gaap |
Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost |
The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs. |
View
|
us-gaap |
Capitalized Costs 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 |
Depreciation, Amortization and Accretion, Net |
The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method. |
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 |
Capital Leases, Future Minimum Payments Due, Next Twelve Months |
Amount of minimum lease payments for capital leases 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 |
Capital Leases, Future Minimum Payments Due in Five Years |
Amount of minimum lease payments for capital leases 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 |
Capital Leases, Future Minimum Payments Due in Four Years |
Amount of minimum lease payments for capital leases 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 |
Capital Leases, Future Minimum Payments Due in Three Years |
Amount of minimum lease payments for capital leases 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 |
Capital Leases, Future Minimum Payments Due in Two Years |
Amount of minimum lease payments for capital leases 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 |
Capital Leases, Future Minimum Payments Due Thereafter |
Amount of minimum lease payments for capital leases 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 |
Cash Acquired in Excess of Payments to Acquire Business |
The cash inflow associated with the acquisition of a business when the cash held by the acquired business exceeds the cash payments to acquire the business. |
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 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. 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 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect |
Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. 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 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |
Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. 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 |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. |
View
|
us-gaap |
Class of Warrant or Right, Outstanding |
Number of warrants or rights outstanding. |
View
|
us-gaap |
Common Stock, Par or Stated Value Per Share |
Face amount or stated value per share of common stock. |
View
|
us-gaap |
Common Stock, Shares Authorized |
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. |
View
|
us-gaap |
Common Stock, Shares, 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 |
Construction and Development Costs (Deprecated 2018-01-31) |
The aggregate costs related to construction and development services during the reporting period. |
View
|
us-gaap |
Contract with Customer, Asset, after Allowance for Credit Loss, Current |
Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. |
View
|
us-gaap |
Costs Incurred, Asset Retirement Obligation Incurred |
Amount of asset retirement obligations (ARO) costs incurred (whether capitalized or charged to expense) during the period. |
View
|
us-gaap |
Costs Incurred, Development Costs |
Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. |
View
|
us-gaap |
Costs Incurred, Exploration Costs |
Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. |
View
|
us-gaap |
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities |
Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense. |
View
|
us-gaap |
Credit Derivative, Liquidation Proceeds, Monetary Amount |
Estimated amount to which the maximum potential amount of future payments under the credit derivative would be covered by the proceeds from liquidation of assets held either as collateral or by third parties. |
View
|
us-gaap |
Current Federal Tax Expense (Benefit) |
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. |
View
|
us-gaap |
Current Income Tax Expense (Benefit) |
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. |
View
|
us-gaap |
Current State and Local Tax Expense (Benefit) |
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. |
View
|
us-gaap |
Debt Conversion, Converted Instrument, Amount |
"The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." |
View
|
us-gaap |
Debt Conversion, Converted Instrument, Shares Issued |
"The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or payments in the period." |
View
|
us-gaap |
Debt Conversion, Original Debt, Amount |
"The amount of the original debt being converted in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." |
View
|
us-gaap |
Debt Instrument, Basis Spread on Variable Rate (Deprecated 2013-01-31) |
The percentage points added to the reference rate to compute the variable rate on the debt instrument. |
View
|
us-gaap |
Debt Instrument, Basis Spread on Variable Rate |
Percentage points added to the reference rate to compute the variable rate on the debt instrument. |
View
|
us-gaap |
Debt Instrument, Convertible, Conversion Price |
The price per share of the conversion feature embedded in the debt instrument. |
View
|
us-gaap |
Debt Instrument, Face Amount |
Face (par) amount of debt instrument at time of issuance. |
View
|
us-gaap |
Debt Instrument, Interest Rate, Stated Percentage |
Contractual interest rate for funds borrowed, under the debt agreement. |
View
|
us-gaap |
Debt Instrument, Unamortized Discount |
Amount, after accumulated amortization, of debt discount. |
View
|
us-gaap |
Deferred Federal Income Tax Expense (Benefit) |
Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. |
View
|
us-gaap |
Deferred Income Tax Expense (Benefit) |
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. |
View
|
us-gaap |
Deferred Income Taxes and Tax Credits |
Amount of deferred income tax expense (benefit) and income tax credits. |
View
|
us-gaap |
Deferred Tax Liabilities, Gross |
Amount of deferred tax liability attributable to taxable temporary differences. |
View
|
us-gaap |
Deferred Income Tax Liabilities, Net |
Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. |
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, 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 of Valuation Allowance |
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. |
View
|
us-gaap |
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent |
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent. |
View
|
us-gaap |
Deferred Tax Assets, Operating Loss Carryforwards |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. |
View
|
us-gaap |
Deferred Tax Assets, Other |
Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. |
View
|
us-gaap |
Deferred Tax Assets, Other Loss Carryforwards |
Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible loss carryforwards, classified as other. |
View
|
us-gaap |
Deferred Tax Assets, Property, Plant and Equipment |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. |
View
|
us-gaap |
Deferred Tax Assets, Regulatory Assets and Liabilities |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities. |
View
|
us-gaap |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. |
View
|
us-gaap |
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, 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, 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, Property, Plant and Equipment |
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. |
View
|
us-gaap |
Defined Contribution Plan, Cost |
Amount of cost for defined contribution plan. |
View
|
us-gaap |
Depreciation |
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. |
View
|
us-gaap |
Derivative Asset, Fair Value, Net (Deprecated 2013-01-31) |
Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets. |
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, Cost of Hedge Net of Cash Received |
The premium (cost) of a hedge, net of any cash received on settlement during the period. |
View
|
us-gaap |
Derivative Asset, Fair Value, 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, Gain on Derivative |
Amount of increase in the fair value of derivatives recognized in the income statement. |
View
|
us-gaap |
Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31) |
The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments. |
View
|
us-gaap |
Derivative 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, Loss on Derivative |
Amount of decrease in the fair value of derivatives recognized in the income statement. |
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 |
Income Taxes Paid |
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. |
View
|
us-gaap |
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 |
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 |
Earnings Per Share, Diluted |
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Percent |
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. |
View
|
us-gaap |
Employee-related Liabilities, Current |
Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
View
|
us-gaap |
Share-based Payment Arrangement, Amount Capitalized |
Amount of cost capitalized for award under share-based payment arrangement. |
View
|
us-gaap |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |
Amount of cost not yet recognized for nonvested award under share-based payment arrangement. |
View
|
us-gaap |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (Deprecated 2012-01-31) |
The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. |
View
|
us-gaap |
Finance Lease, Liability, Payment, Due |
Amount of lessee's undiscounted obligation for lease payments for finance lease. |
View
|
us-gaap |
Finance Lease, Liability, to be Paid, after Year Five |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Finance Lease, Liability, to be Paid, Year Five |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Finance Lease, Liability, to be Paid, Year Four |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid 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 |
Finance Lease, Liability, to be Paid, Year Two |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year. |
View
|
us-gaap |
Finance Lease, Liability, Undiscounted Excess Amount |
Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. |
View
|
us-gaap |
Finance Lease, Principal Payments |
Amount of cash outflow for principal payment on finance lease. |
View
|
us-gaap |
Finance Lease, Right-of-Use Asset, Amortization |
Amount of amortization expense attributable to right-of-use asset from finance lease. |
View
|
us-gaap |
Finance Lease, Weighted Average Discount Rate, Percent |
Weighted average discount rate for finance lease calculated at point in time. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows |
Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs |
Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense |
Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows |
Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs |
Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves. |
View
|
us-gaap |
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows |
Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year. |
View
|
us-gaap |
Gain (Loss) on 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 Sale of Commodity Contracts |
The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds. |
View
|
us-gaap |
Gas and Oil Area, Undeveloped, Net |
Fractional interest owned based on working interests or other economic arrangements of lease area on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves. |
View
|
us-gaap |
Gas Gathering, Transportation, Marketing and Processing Costs (Deprecated 2018-01-31) |
Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products. |
View
|
us-gaap |
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 |
Impairment of Oil and Gas Properties |
The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. |
View
|
us-gaap |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest |
Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. |
View
|
us-gaap |
Income Tax Expense (Benefit) |
Amount 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, Amount |
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depletion. |
View
|
us-gaap |
Increase (Decrease) in Accounts Payable |
The increase (decrease) during the reporting period in the aggregate amount 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. |
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 Accrued Liabilities |
The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid. |
View
|
us-gaap |
Increase (Decrease) in Accrued Taxes Payable |
The increase (decrease) during the reporting period of all taxes owed but not paid, including income, property and other taxes. |
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 |
Increase (Decrease) in Earnest Money Deposits Outstanding |
The increase (decrease) during the reporting period in the amount of deposits given by the reporting entity to a seller which shows that the prospective buyer is serious about purchasing a property. |
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 |
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves |
Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. |
View
|
us-gaap |
Increase (Decrease) in Inventories |
The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. |
View
|
us-gaap |
Increase (Decrease) in Operating Capital |
The increase (decrease) during the reporting period of all assets and liabilities used in operating activities. |
View
|
us-gaap |
Increase (Decrease) in Other Accrued Liabilities |
The increase (decrease) during the reporting period in other expenses incurred but not yet paid. |
View
|
us-gaap |
Increase (Decrease) in Other Operating Assets and Liabilities, Net |
Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. |
View
|
us-gaap |
Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends |
Number of additional shares included in diluted EPS for potentially dilutive effect of nonvested equity-based payment award containing forfeitable rights to dividends or dividend equivalents, whether paid or unpaid. |
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 |
Capitalized Interest Costs, Including Allowance for Funds Used During Construction |
Amount of interest capitalized, including amount of allowance for funds used during construction. |
View
|
us-gaap |
Interest Expense |
Amount of the cost of borrowed funds accounted for as interest expense. |
View
|
us-gaap |
Interest Expense, Debt |
Amount of the cost of borrowed funds accounted for as interest expense for debt. |
View
|
us-gaap |
Interest Expense, Debt, Excluding Amortization |
Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs. |
View
|
us-gaap |
Interest Expense, Other |
Amount of interest expense classified as other. |
View
|
us-gaap |
Interest Expense, Related Party |
Amount of interest expense incurred on a debt or other obligation to related party. |
View
|
us-gaap |
Interest Income, Other |
Amount of interest income earned from interest bearing assets classified as other. |
View
|
us-gaap |
Interest Paid, Excluding Capitalized Interest, Operating Activities |
Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for 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. |
View
|
us-gaap |
Interest Payable, Current |
Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
View
|
us-gaap |
Inventory, Net |
Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. |
View
|
us-gaap |
Investment Income, Interest |
Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. |
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 |
Lease, Cost |
Amount of lease cost recognized by lessee for lease contract. |
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 |
Lessee, Operating Lease, Liability, to be Paid |
Amount of lessee's undiscounted obligation for lease payment for operating lease. |
View
|
us-gaap |
Lessee, Operating Lease, Liability, to be Paid, after Year Five |
Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Five |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Lessee, Operating Lease, Liability, to be Paid, Year Four |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid 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 |
Lessee, Operating Lease, Liability, to be Paid, Year Three |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid 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 |
Lessee, Operating Lease, Liability, to be Paid, Year Two |
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). |
View
|
us-gaap |
Proceeds from Sale of Oil and Gas Property and Equipment |
The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. |
View
|
us-gaap |
Lessee, Operating Lease, Liability, Undiscounted Excess Amount |
Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. |
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 |
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) |
Amount borrowed under the credit facility as of the balance sheet date. |
View
|
us-gaap |
Line of Credit Facility, Current Borrowing Capacity |
Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. |
View
|
us-gaap |
Line of Credit Facility, Interest Rate at Period End |
The effective interest rate at the end of the reporting period. |
View
|
us-gaap |
Line of Credit Facility, Interest Rate During Period |
The effective interest rate during the reporting period. |
View
|
us-gaap |
Line of Credit Facility, Maximum Borrowing Capacity |
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. |
View
|
us-gaap |
Line of Credit Facility, Remaining Borrowing Capacity |
Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). |
View
|
us-gaap |
Long-term Line of Credit, Noncurrent |
The carrying value as of the balance sheet date of the noncurrent portion 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 Purchase Commitment, Amount |
The minimum amount the entity agreed to spend under the long-term purchase commitment. |
View
|
us-gaap |
Net Cash Provided by (Used in) Financing Activities |
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. |
View
|
us-gaap |
Net Cash Provided by (Used in) Investing Activities |
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. |
View
|
us-gaap |
Net Cash Provided by (Used in) 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 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 |
Proceeds from Stock Options Exercised |
Amount of cash inflow from exercise of option under share-based payment arrangement. |
View
|
us-gaap |
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued |
"The number of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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 |
Noncash or Part Noncash Acquisition, Value of Assets Acquired |
"The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but 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 |
Noncash or Part Noncash Acquisition, Value of Liabilities Assumed |
"The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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 |
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, Fair Value Disclosure |
Fair value portion of notes payable. |
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 |
Number of Operating Segments |
Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. |
View
|
us-gaap |
Number of Reportable Segments |
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. |
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 Gas Joint Interest Billing Receivables, Current |
Current portion of accounts receivable attributable to joint interest partners in oil and gas properties. These are billings to the non-operators associated with the operation of wells and are based on those owners' working interests in the wells. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. |
View
|
us-gaap |
Oil and Gas Property, Full Cost Method, Depletion |
Depletion of oil and gas property carried under the full cost method. |
View
|
us-gaap |
Oil and Gas Property, Full Cost Method, Gross |
Oil and gas properties, gross, carried under the full cost method. |
View
|
us-gaap |
Oil and Gas Property, Full Cost Method, Net |
Oil and gas properties, net of depletion, carried under the full cost method. |
View
|
us-gaap |
Oil and Gas 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 |
Oil and Gas Sales Payable, Current |
Carrying value as of the balance sheet date of obligations incurred and payable to third parties for oil and gas that has been sold but not delivered. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
View
|
us-gaap |
Operating Expenses |
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. |
View
|
us-gaap |
Operating Income (Loss) |
The net result for the period of deducting operating expenses from operating revenues. |
View
|
us-gaap |
Proceeds from Warrant Exercises |
The cash inflow associated with the amount received from holders exercising their stock warrants. |
View
|
us-gaap |
Operating Lease, Expense |
Amount of operating lease expense. Excludes sublease income. |
View
|
us-gaap |
Operating Lease, Liability |
Present value of lessee's discounted obligation for lease payments from operating lease. |
View
|
us-gaap |
Operating Lease, Liability, Current |
Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. |
View
|
us-gaap |
Operating Lease, Payments |
Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. |
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 Leases, Future Minimum Payments, Remainder of Fiscal Year |
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 remainder of the 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 Lease, Weighted Average Discount Rate, Percent |
Weighted average discount rate for operating lease calculated at point in time. |
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, Current |
Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. |
View
|
us-gaap |
Other Assets, Current |
Amount of current assets classified as other. |
View
|
us-gaap |
Other Assets, Noncurrent |
Amount of noncurrent assets classified as other. |
View
|
us-gaap |
Other Commitment |
Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. |
View
|
us-gaap |
Other Liabilities, Current |
Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. |
View
|
us-gaap |
Other Liabilities, Noncurrent |
Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. |
View
|
us-gaap |
Other Nonoperating Income (Expense) |
Amount of income (expense) related to nonoperating activities, classified as other. |
View
|
us-gaap |
Payments for Derivative Instrument, Investing Activities |
The cash outflow for derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments. |
View
|
us-gaap |
Payments for Other Taxes |
Amount of cash outflow for taxes classified as other. |
View
|
us-gaap |
Production Tax Expense |
A tax assessed on oil and gas production. |
View
|
us-gaap |
Productive Oil Wells, Number of Wells, Gross |
The total number of producing oil wells and oil wells capable of production, in which the entity owns an undivided working interest. |
View
|
us-gaap |
Payments of Debt Issuance Costs |
The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. |
View
|
us-gaap |
Payments of Derivative Issuance Costs |
The cash outflow for cost incurred directly with the issuance of a derivative security. |
View
|
us-gaap |
Payments of Financing Costs |
The cash outflow for loan and debt issuance costs. |
View
|
us-gaap |
Payments of Stock Issuance Costs |
The cash outflow for cost incurred directly with the issuance of an equity security. |
View
|
us-gaap |
Payment, Tax Withholding, Share-based Payment Arrangement |
Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. |
View
|
us-gaap |
Payments to Acquire Businesses, Gross |
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. |
View
|
us-gaap |
Payments to Acquire Land Held-for-use |
The cash outflow for acquisition of land for use; excludes purchases of land held as inventory or as investments. |
View
|
us-gaap |
Payments to Acquire Other Productive Assets |
Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other. |
View
|
us-gaap |
Payments to Acquire Other Property, Plant, and Equipment |
Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. |
View
|
us-gaap |
Payments to Acquire Property, Plant, and Equipment |
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. |
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 |
Previously Estimated Development Costs Incurred |
Amount of increase in standardized measure of discounted future net cash flow as a result of previously estimated development costs incurred. |
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 Convertible Debt |
The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. |
View
|
us-gaap |
Proceeds from Issuance of Common Stock |
The cash inflow from the additional capital contribution to the entity. |
View
|
us-gaap |
Proceeds from Issuance of Senior Long-term Debt |
The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). |
View
|
us-gaap |
Proceeds from Issuance of Warrants |
The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). |
View
|
us-gaap |
Proceeds from Issuance or Sale of Equity |
The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. |
View
|
us-gaap |
Proceeds from Lines of Credit |
Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. |
View
|
us-gaap |
Proceeds from Other Equity |
Amount of cash inflow from the issuance of equity classified as other. |
View
|
us-gaap |
Property, Plant and Equipment, Other, Net |
Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. |
View
|
us-gaap |
Proved Developed and Undeveloped Reserve, Production (Energy) |
Energy measure of decrease in quantity of proved reserve of oil and gas resulting from production, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe). |
View
|
us-gaap |
Related Party Transaction, Rate |
Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties. |
View
|
us-gaap |
Repayments of Lines of Credit |
Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. |
View
|
us-gaap |
Repayments of Long-term Capital Lease Obligations |
The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). |
View
|
us-gaap |
Repayments of Related Party Debt |
The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. |
View
|
us-gaap |
Results of Operations, Impairment of Oil and Gas Properties |
Costs related to the impairment of oil and gas properties |
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 |
Revenue from Contract with Customer, Excluding Assessed Tax |
Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. |
View
|
us-gaap |
Revenue from Purchased Oil and Gas (Deprecated 2018-01-31) |
Revenue from sale of oil and gas purchased from other sources. |
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 |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability |
Amount of increase in right-of-use asset obtained in exchange for finance lease liability. |
View
|
us-gaap |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |
Amount of increase in right-of-use asset obtained in exchange for operating lease liability. |
View
|
us-gaap |
Royalty Expense |
Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. |
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 |
Settlement of Asset Retirement Obligations Through Noncash Payments, Amount |
Amount of asset retirement obligations settled through noncash transactions. 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 |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Deprecated 2012-01-31) |
The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Maximum (Deprecated 2012-01-31) |
The maximum period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Minimum (Deprecated 2012-01-31) |
The minimum period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum |
The estimated measure of the maximum 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, Expected Volatility Rate, Minimum |
The estimated measure of the minimum 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, Fair Value Assumptions, Risk Free Interest Rate, Maximum |
The maximum 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, Fair Value Assumptions, Risk Free Interest Rate, Minimum |
The minimum 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-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 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value |
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period |
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period |
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) |
The weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |
Net number of share options (or share units) granted during the period. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |
Number of options outstanding, including both vested and non-vested options. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price |
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value |
Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number |
Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price |
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. |
View
|
us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price |
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. |
View
|
us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. |
View
|
us-gaap |
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding |
The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. |
View
|
us-gaap |
Share-based Payment Arrangement, Expensed and Capitalized, Amount |
Amount of cost expensed and capitalized for award under share-based payment arrangement. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) |
The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. |
View
|
us-gaap |
Share Price |
Price of a single share of a number of saleable stocks of a company. |
View
|
us-gaap |
Short-term Lease, Cost |
Amount of short-term lease cost, excluding expense for lease with term of one month or less. |
View
|
us-gaap |
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount |
Amount of accretion of discount for the standardized measure of discounted future net cash flow related 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 |
Stock Issued During Period, Shares, Acquisitions |
Number of shares of stock issued during the period pursuant to acquisitions. |
View
|
us-gaap |
Stock Issued During Period, Shares, Conversion of Convertible Securities |
Number of shares issued during the period as a result of the conversion of convertible securities. |
View
|
us-gaap |
Stock Issued During Period, Shares, Employee Benefit Plan |
Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. |
View
|
us-gaap |
Stock Issued During Period, Shares, Employee Stock Ownership Plan |
Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan. |
View
|
us-gaap |
Development Stage Entities, Stock Issued, Shares, Issued for Noncash Consideration (Deprecated 2015-01-31) |
Number of shares issued for noncash consideration for development stage entities. |
View
|
us-gaap |
Stock Issued During Period, Shares, New Issues |
Number of new stock issued during the period. |
View
|
us-gaap |
Stock Issued During Period, Shares, Other |
Number of shares of stock issued attributable to transactions classified as other. |
View
|
us-gaap |
Stock Issued During Period, Shares, Purchase of Assets |
Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |
Number of share options (or share units) exercised during the current period. |
View
|
us-gaap |
Stock Issued During Period, Value, Acquisitions |
Value of stock issued pursuant to acquisitions during the period. |
View
|
us-gaap |
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments |
The net amount of stock issued during the period upon the conversion of convertible securities, net of adjustments (for example, to additional paid in capital) including the write-off of an equity component recognized to record the convertible debt instrument as two separate components - a debt component and an equity component. This item is meant to disclose the value of shares issued on conversion of convertible securities that were recorded as two separate (debt and equity) components. |
View
|
us-gaap |
Stock Issued During Period, Value, Employee Stock Ownership Plan |
Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP). |
View
|
us-gaap |
Stock Issued During Period, Value, New Issues |
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. |
View
|
us-gaap |
Stock Issued During Period, Value, Other |
Value of shares of stock issued attributable to transactions classified as other. |
View
|
us-gaap |
Stock Issued During Period, Value, Purchase of Assets |
Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination. |
View
|
us-gaap |
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture |
Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). |
View
|
us-gaap |
Stock Issued During Period, Value, Stock Options Exercised |
Value of stock issued as a result of the exercise of stock options. |
View
|
us-gaap |
Taxes Payable, Current |
Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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 |
Unrecognized Tax Benefits |
Amount of unrecognized tax benefits. |
View
|
us-gaap |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. |
View
|
us-gaap |
Variable Lease, Cost |
Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. |
View
|
us-gaap |
Warrants and Rights Outstanding |
Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. |
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 |
Derivative, Gain (Loss) on Derivative, Net |
Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. |
View
|
srt |
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves |
Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in the estimated future income tax on future pretax net cash flows related to the entity's proved oil and gas reserves. |
View
|
us-gaap |
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 |
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 to Additional Paid in Capital, Stock Issued, Issuance Costs |
Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. |
View
|
us-gaap |
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities |
The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method. |
View
|
us-gaap |
Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable (Deprecated 2013-01-31) |
The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination. |
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, Transaction Costs |
Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. |
View
|
us-gaap |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |
Number of shares of equity interests issued or issuable to acquire entity. |
View
|
us-gaap |
Business Acquisition, Pro Forma Earnings Per Share, Basic |
The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. |
View
|
us-gaap |
Business Acquisition, Pro Forma Earnings Per Share, Diluted |
The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. |
View
|
us-gaap |
Business Acquisition, Purchase Price Allocation, Assets Acquired (Deprecated 2013-01-31) |
The amount of acquisition cost of a business combination allocated to assets acquired. |
View
|
us-gaap |
Business Acquisition, Purchase Price Allocation, Current Assets, Receivables (Deprecated 2013-01-31) |
The amount of acquisition cost of a business combination allocated to receivables. |
View
|
us-gaap |
Business Acquisition, Purchase Price Allocation, Current Liabilities, Accrued Liabilities (Deprecated 2013-01-31) |
The amount of acquisition cost of a business combination allocated to accrued expenses of the acquired entity. |
View
|
us-gaap |
Capitalized Costs, Support Equipment and Facilities |
Capitalized costs incurred for support equipment and facilities used in oil and gas producing activities (such as seismic equipment, drilling equipment, construction and grading equipment, vehicles, repair shops, warehouses, supply points, camps, and division, district, or field offices). |
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 |
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 |
Cost of Goods and Services Sold |
The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. |
View
|
us-gaap |
Cost of Purchased Oil and Gas (Deprecated 2018-01-31) |
Cost of oil and gas purchased during the reporting period. |
View
|
us-gaap |
Costs Incurred, Acquisition of Oil and Gas Properties |
Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties. |
View
|
us-gaap |
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves |
Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves. |
View
|
us-gaap |
Costs Incurred, Acquisition of Unproved Oil and Gas Properties |
Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves. |
View
|
us-gaap |
Deferred Compensation Arrangement with Individual, Allocated Share-based Compensation Expense |
Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). |
View
|
us-gaap |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. |
View
|
us-gaap |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |
Percentage employer matches of the employee's percentage contribution matched. |
View
|
us-gaap |
Depletion |
The noncash expense charged against earnings to recognize the consumption of natural resources. |
View
|
us-gaap |
Depreciation, Depletion and Amortization |
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. |
View
|
us-gaap |
Derivative Asset, 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 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 |
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 |
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |
Amount of cost to be recognized for option under share-based payment arrangement. |
View
|
us-gaap |
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 |
Exploratory Wells Drilled, Net Productive |
The number of productive exploratory wells drilled in the geographic area. A productive well is a well that is not a dry well. The number of wells drilled refers to the number of wells (holes) completed at any time during the fiscal years, regardless when drilling was initiated. |
View
|
us-gaap |
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs |
Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves. |
View
|
us-gaap |
Fair Value Assumptions, Risk Free Interest Rate (Deprecated 2018-01-31) |
Risk-free interest rate assumption used in valuing an instrument. |
View
|
us-gaap |
Finance Lease, Interest Expense |
Amount of interest expense on finance lease liability. |
View
|
us-gaap |
Finance Lease, Liability |
Present value of lessee's discounted obligation for lease payments from finance lease. |
View
|
us-gaap |
Finance Lease, Liability, to be Paid, Year Three |
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid 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 |
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 |
Gas and Oil Area, Undeveloped, Gross |
Lease area in which a working interest is owned and on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves. |
View
|
us-gaap |
Income Taxes Paid, Net |
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount |
Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. |
View
|
us-gaap |
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). |
View
|
us-gaap |
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants |
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. |
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 |
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year |
Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number |
Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
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 |
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 |
Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) |
"The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but 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. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future." |
View
|
us-gaap |
Operating Lease, Cost |
Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. |
View
|
us-gaap |
Payments for (Proceeds from) Short-term Investments |
The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. |
View
|
us-gaap |
Property, Plant and Equipment, Net |
Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. |
View
|
us-gaap |
Property, Plant and Equipment, Other, Gross |
Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. |
View
|
us-gaap |
Repayments of Senior Debt |
The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. |
View
|
us-gaap |
Restricted Cash, Noncurrent |
Amount of cash 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. |
View
|
us-gaap |
Results of Operations, Accretion of Asset Retirement Obligations |
Accretion expense of asset retirement obligations related to oil and gas producing activities. |
View
|
us-gaap |
Results of Operations, Depreciation, Depletion, Amortization and Accretion |
Depreciation, depletion, amortization, and accretion related to oil and gas producing activities. |
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, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31) |
The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price |
Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value |
Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |
Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. |
View
|
us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31) |
The weighted-average period between the balance sheet date and expiration date for fully vested and expected to vest options outstanding, which may be expressed in a decimal value for number of years. |
View
|
us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price |
Weighted average price at which option holders acquired shares when converting their stock options into shares. |
View
|
us-gaap |
Short-term Investments |
Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. |
View
|
us-gaap |
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 |
Unrealized Gain (Loss) on Commodity Contracts |
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open agreements to purchase or sell mineral resources, energy, and agricultural products at some future point held at each balance sheet date, that was included in earnings for the period. |
View
|
us-gaap |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued |
Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. |
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
|