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Company Name: WHITING HOLDINGS LLC

CIK: 1255474

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2010-07-30

Last Filing Date: 2022-05-04

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

2017-01-01	2017-03-31	CY2016Q1	2017-04-27	0001255474-17-000010	$ 362,610,000	View
2017-04-01	2017-06-30	CY2016Q2	2017-07-27	0001255474-17-000020	$ 362,734,000	View
2010-04-01	2010-06-30	CY2009Q2	2010-07-30	0001255474-10-000014	$ 50,995,000	View
2010-07-01	2010-09-30	CY2009Q3	2010-10-29	0001255474-10-000017	$ 52,148,000	View
2010-01-01	2010-12-31	CY2008	2011-02-24	0001255474-11-000004	$ 106,338,000	View
2011-01-01	2011-03-31	CY2010Q1	2011-04-29	0001255474-11-000009	$ 117,243,000	View
2016-01-01	2016-03-31	CY2015Q1	2016-04-28	0001255474-16-000030	$ 204,367,000	View
2016-04-01	2016-06-30	CY2015Q2	2016-07-28	0001255474-16-000036	$ 226,039,000	View
2016-07-01	2016-09-30	CY2015Q3	2016-10-27	0001255474-16-000041	$ 280,418,000	View
2017-07-01	2017-09-30	CY2016Q3	2017-10-26	0001255474-17-000029	$ 362,794,000	View
2017-01-01	2017-12-31	CY2015	2018-02-22	0001255474-18-000008	$ 90,683,000	View
2018-01-01	2018-03-31	CY2017Q1	2018-05-01	0001255474-18-000015	$ 90,892,000	View
2018-04-01	2018-06-30	CY2017Q2	2018-08-01	0001255474-18-000024	$ 90,940,000	View
2018-07-01	2018-09-30	CY2017Q3	2018-10-31	0001255474-18-000031	$ 90,967,000	View
2018-01-01	2018-12-31	CY2016	2019-02-28	0001255474-19-000009	$ 90,953,000	View
2019-01-01	2019-03-31	CY2018Q1	2019-05-02	0001255474-19-000017	$ 91,235,000	View
2019-04-01	2019-06-30	CY2018Q2	2019-08-01	0001255474-19-000026	$ 91,286,000	View
2019-07-01	2019-09-30	CY2018Q3	2019-11-06	0001255474-19-000033	$ 91,299,000	View
2019-01-01	2019-12-31	CY2017	2020-02-27	0001255474-20-000007	$ 91,285,000	View
2020-01-01	2020-03-31	CY2019Q1	2020-05-07	0001255474-20-000011	$ 91,390,000	View
2020-04-01	2020-06-30	CY2019Q2	2020-08-07	0001255474-20-000014	$ 91,429,000	View
2020-09-01	2020-09-30	CY2019Q3	2020-11-06	0001255474-20-000026	$ 38,051,000	View
2020-09-01	2020-12-31	CY2018	2021-02-25	0001255474-21-000009	$ 38,080	View
2021-01-01	2021-03-31	CY2020Q1	2021-05-05	0001255474-21-000019	$ 38,698,000	View
2021-04-01	2021-06-30	CY2021Q2	2021-08-04	0001255474-21-000025	$ 39,067,000	View
2021-07-01	2021-09-30	CY2021Q3	2021-11-03	0001255474-21-000039	$ 39,121,000	View
2011-04-01	2011-06-30	CY2010Q2	2011-07-29	0001255474-11-000013	$ 492,000	View
2011-07-01	2011-09-30	CY2010Q3	2011-11-03	0001255474-11-000018	$ 364,000	View
2011-01-01	2011-12-31	CY2009	2012-02-23	0001255474-12-000005	$ 529,000	View
2012-01-01	2012-03-31	CY2011Q1	2012-04-27	0001255474-12-000010	$ 585,000	View
2012-04-01	2012-06-30	CY2011Q2	2012-07-27	0001255474-12-000014	$ 437,000	View
2012-07-01	2012-09-30	CY2011Q3	2012-10-25	0001255474-12-000020	$ 499,000	View
2012-01-01	2012-12-31	CY2010	2013-02-28	0001255474-13-000005	$ 633,000	View
2013-01-01	2013-03-31	CY2012Q1	2013-04-26	0001255474-13-000011	$ 682,000	View
2013-04-01	2013-06-30	CY2012Q2	2013-07-26	0001255474-13-000015	$ 267,000	View
2013-07-01	2013-09-30	CY2012Q3	2013-10-25	0001255474-13-000021	$ 853,000	View
2013-01-01	2013-12-31	CY2011	2014-02-28	0001255474-14-000005	$ 957,000	View
2014-01-01	2014-03-31	CY2013Q1	2014-05-01	0001255474-14-000010	$ 1,008,000	View
2014-01-01	2014-03-31	CY2014Q1	2015-04-30	0001255474-15-000010	$ 1,008,000	View
2014-04-01	2014-06-30	CY2013Q2	2014-07-31	0001562762-14-000190	$ 1,059,000	View
2014-04-01	2014-06-30	CY2014Q2	2015-07-30	0001255474-15-000014	$ 1,059,000	View
2014-07-01	2014-09-30	CY2013Q3	2014-10-30	0001255474-14-000015	$ 1,042,000	View
2014-07-01	2014-09-30	CY2014Q3	2015-10-29	0001255474-15-000019	$ 1,042,000	View
2014-01-01	2014-12-31	CY2012	2015-02-27	0001255474-15-000004	$ 381,000	View
2014-01-01	2014-12-31	CY2013	2016-02-25	0001255474-16-000024	$ 381,000	View
2014-01-01	2014-12-31	CY2014	2017-02-23	0001255474-17-000005	$ 381,000	View
2021-01-01	2020-09-01	None	2022-02-23	0001255474-22-000008	$ -1,145,631,000	View
2021-01-01	2020-09-01	CY2020Q3I	2022-03-04	0001255474-22-000012	$ -1,145,631,000	View
2022-01-01	2022-03-31	CY2022Q1	2022-05-04	0001255474-22-000024	$ 9,810,000	View
	2021-06-30	CY2021Q2I	2022-04-14	0001255474-22-000018	$ 2,126,000,000	View

SEC Facts By Type

Type	Name	Description	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 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	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	Disposal Group, Including Discontinued Operation, Assets, Current	Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Auction Market Preferred Securities, Stock Series, Liquidation Value	The amount of the liquidation value for auction market preferred securities.	View
us-gaap	Capitalized Costs, Uncompleted Wells, Equipment and Facilities	Capitalized costs of which include those incurred to (1) drill and equip wells that are not yet completed (2) acquire or construct equipment and facilities that are not yet installed.	View
us-gaap	Capitalized Costs, Wells and Related Equipment and Facilities	Capitalized costs which include those incurred to (1) to drill and equip those exploratory wells and exploratory-type stratigraphic test wells that have found proved reserves and (2) obtain access to proved reserves and provide facilities for extracting, treating, gathering, storing the oil and gas, including the drilling and equipping of development wells and development-type stratigraphic wells and service wells.	View
us-gaap	Capitalized Exploratory Well Costs, Greater than or Equal to One Year and Less than Two Years (Deprecated 2013-01-31)	The amount of capitalized exploratory well costs that have been capitalized for a period greater than or equal to one year but less than two years after the completion of drilling at balance sheet date.	View
us-gaap	Capitalized Exploratory Well Costs, Greater than or Equal to Two Years and Less than Three Years (Deprecated 2013-01-31)	The amount of capitalized exploratory well costs that have been capitalized for a period greater than or equal to two years but less than three years after the completion of drilling at balance sheet date.	View
us-gaap	Cash and Cash Equivalents, at Carrying Value	Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Cash Flow Hedge Gain Reclassified to Earnings (Deprecated 2013-01-31)	The amount of gains on a cash flow hedge reclassified in the period to earnings from accumulated other comprehensive income.	View
us-gaap	Commodity Contract Asset, Noncurrent	Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.	View
us-gaap	Conversion of Stock, Amount Converted	"The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Conversion of Stock, Amount Issued (Deprecated 2011-01-31)	The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.	View
us-gaap	Conversion of Stock, Amount Issued	"The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."	View
us-gaap	Deferred Compensation Liability, Classified, Noncurrent	Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Foreign	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, Other	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.	View
us-gaap	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.	View
us-gaap	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	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31)	This is the amount that is derived from using a discount rate of ten percent a year to reflect the timing of the future net cash flows relating to proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31)	Amount of estimated future cash inflows from sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31)	The future cost of developing oil and gas from proved reserves located in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31)	Amount of estimated future cost to be incurred in developing proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31)	The estimated future income tax expenses that will be incurred based on the future income less future expenses derived from production and sale of proved oil and gas reserves in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31)	Amount of estimated future income tax expense to be incurred based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31)	Amount of estimated net future cash inflows, after subtracting future development and production costs and future income tax expenses, from sale of proved oil and gas reserves.	View
us-gaap	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	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	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, 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	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	Hedging Liabilities, Noncurrent	Fair value of liability arising from a financial instrument or contract used to mitigate a specified risk (hedge), expected to be settled after one year or beyond the normal operating cycle, if longer.	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	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, 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 restructuring charges.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.	View
us-gaap	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.	View
us-gaap	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	Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.	View
us-gaap	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock	Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.	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	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	Long-term Line of Credit	The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.	View
us-gaap	Long-term Debt	Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-Term Debt, Maturity, Year One	Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	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	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	Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31)	Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.	View
us-gaap	Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).	View
us-gaap	Payment of Financing and Stock Issuance Costs	The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities.	View
us-gaap	Payments for Legal Settlements	The amount of cash paid for the settlement of litigation or for other legal issues during the period.	View
us-gaap	Payment for Debt Extinguishment or Debt Prepayment Cost	Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.	View
us-gaap	Payments of Debt Issuance Costs	The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.	View
us-gaap	Preferred Stock Dividends, Income Statement Impact	The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.	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, Value, Issued	Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Prepaid Expense and Other Assets, Current	Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.	View
us-gaap	Production, Barrels of Oil Equivalents (Deprecated 2013-01-31)	This element represents the number of barrel of oil equivalents (BOE) which is a measurement used by oil and gas companies as a way of combining oil and natural gas reserves and production into a single measurement. Natural gas volumes are converted to BOE based on the energy content of 6,000 cubic feet of gas to one barrel of oil.	View
us-gaap	Proved Developed and Undeveloped Reserves, Net	The net quantity of proved reserves as of the balance sheet date. Proved oil reserves are the estimated quantities of crude oil and natural gas liquids which geological and engineering data demonstrate with reasonable certainty to be recoverable.	View
us-gaap	Proved Developed and Undeveloped Reserves, Production	Production of proved reserves.	View
us-gaap	Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place	Purchase of minerals in place.	View
us-gaap	Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates	Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors.	View
us-gaap	Proved Developed and Undeveloped Reserves, Sales of Minerals in Place	Sales of minerals in place.	View
us-gaap	Proved Developed Reserves (BOE) (Deprecated 2013-01-31)	Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities do not include reserves relating to interests of others in properties owned by the enterprise. Measured in barrel of oil equivalent (BOE).	View
us-gaap	Proved Developed Reserves (Volume)	Net quantities of an enterprise's interests in proved developed reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves.	View
us-gaap	Proved Undeveloped Reserve (Volume)	Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that is intended to be upgraded into synthetic oil and gas as of the beginning and the end of the year. "Net" quantities of reserves include those relating to the enterprise's operating and nonoperating interests in properties. Quantities of reserves relating to royalty interests owned are included in "net" quantities if the necessary information is available to the enterprise. "Net" quantities does not include reserves relating to interests of others in properties owned by the enterprise. The unit of measure for reserve quantities is defined as "barrels" for oil and synthetic oil reserves or "cubic feet" or "cubic meters" for natural gas and synthetic gas reserves.	View
us-gaap	Sale of Stock, Price Per Share	Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.	View
us-gaap	Sales and Excise Tax Payable, Current	Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	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	Share-based Payment Arrangement, Noncash Expense	Amount of noncash expense for share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, 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	Stock Issued During Period, Shares, New Issues	Number of new stock issued during the period.	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, Conversion of Convertible Securities	The gross value of stock issued during the period upon the conversion of convertible securities.	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	Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three	Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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	Unrecorded Unconditional Purchase Obligation	Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).	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	Weighted Average Number of Shares Outstanding, Diluted	The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic and Diluted	Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).	View
us-gaap	Weighted Average Number of Shares Outstanding, Basic	Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.	View
us-gaap	Weighted Average Number of Shares, Restricted Stock	Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.	View
us-gaap	Finance Lease, Right-of-Use Asset, Accumulated Amortization	Amount of accumulated amortization of right-of-use asset from finance lease.	View
us-gaap	Finance Lease, Right-of-Use Asset, before Accumulated Amortization	Amount, before accumulated amortization, of right-of-use asset from finance lease.	View
us-gaap	Liabilities Subject to Compromise, Other Liabilities	The amount of other obligations included in liabilities subject to compromise.	View
us-gaap	Liabilities Subject to Compromise, Period Increase (Decrease)	Amount of increase (decrease) in liabilities subject to compromise.	View
us-gaap	Business Combination, Bargain Purchase, Gain Recognized, Amount	In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.	View
us-gaap	Common Stock, Dividends, Per Share, Cash Paid	Aggregate dividends paid during the period for each share of common stock outstanding.	View
us-gaap	Dividends	Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.	View
us-gaap	Dividends, Common Stock	Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).	View
us-gaap	Dividends Payable, Amount Per Share	The per share amount of a dividend declared, but not paid, as of the financial reporting date.	View
us-gaap	Payments of Ordinary Dividends, Common Stock	Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.	View
us-gaap	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	Lessee, Operating Lease, Liability, to be Paid	Amount of lessee's undiscounted obligation for lease payment for operating lease.	View
dei	Entity Common Stock, Shares Outstanding	Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.	View
dei	Entity Public Float	The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.	View
us-gaap	Accounts Payable, Current	Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accounts 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	Accounts Receivable, after Allowance for Credit Loss, Current	Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.	View
us-gaap	Accretion Expense	Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.	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	Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.	View
us-gaap	Additional Paid in Capital	Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.	View
us-gaap	Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31)	Transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element.	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, Equity Component of Convertible Debt	Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.	View
us-gaap	Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized.	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	Adjustments to Additional Paid in Capital, Stock Split	Amount of decrease in additional paid in capital (APIC) resulting from a stock split in which per-share par value or stated value is not changed proportionately.	View
us-gaap	Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.	View
us-gaap	Adjustments to Additional Paid in Capital, Warrant Issued	Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.	View
us-gaap	Share-based Payment Arrangement, Expense	Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss	Amount of allowance for credit loss on accounts receivable.	View
us-gaap	Accounts Receivable, Allowance for Credit Loss, Current	Amount of allowance for credit loss on accounts receivable, classified as current.	View
us-gaap	Amortization of Debt Issuance Costs and Discounts	Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.	View
us-gaap	Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries	Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.	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 Impairment Charges	Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.	View
us-gaap	Asset Retirement Obligation, 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	Assets	Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Assets, Current	Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Assets Held-for-sale, Current (Deprecated 2014-01-31)	Current assets (normally turning over within one year or one business cycle if longer) that are held for sale apart from normal operations and anticipated to be sold within one year.	View
us-gaap	Average Production Costs Per Barrel of Oil Equivalents (BOE) (Deprecated 2019-01-31)	Production costs incurred in lifting the oil and gas to the surface during the reporting period divided by the number of barrels of oil equivalents (BOE) produced. Production (or lifting costs) are costs incurred in lifting the oil and gas to the surface and generally include gathering, treating, primary processing, field storage, property taxes and insurance on proved properties, but do not include depreciation, depletion, accretion, amortization, royalties, income taxes, interest, general and administrative and other expenses.	View
us-gaap	Bankruptcy Claims, Amount of Claims Filed	Amount of bankruptcy claim filed with bankruptcy court.	View
us-gaap	Bankruptcy Claims, Number Claims Filed	The aggregate number of claims filed with the bankruptcy court.	View
us-gaap	Business Acquisition, Goodwill, Expected Tax Deductible Amount	The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.	View
us-gaap	Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination	Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.	View
us-gaap	Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.	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, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, Asset Retirement Costs	The amount of asset retirement costs previously incurred and capitalized separately from the capitalized amount of the associated long-lived assets.	View
us-gaap	Capitalized Costs, Mineral Interests in Proved Properties	Capitalized costs of proved properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that interest.	View
us-gaap	Capitalized Costs, Mineral Interests in Unproved Properties	Capitalized costs of unproven properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that interest.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Gross	The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Net	Net amount of capitalized costs relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, Proved Properties	Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.	View
us-gaap	Capitalized Costs, Unproved Properties	Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.	View
us-gaap	Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves	Additions to capitalized exploratory well costs that were added during the reporting period pending the determination of proved reserves.	View
us-gaap	Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31)	Capitalized exploratory well costs that were expensed during the year because proved reserves were not found at the exploratory well.	View
us-gaap	Capitalized Exploratory Well Cost, Charged to Expense	Amount of expense for capitalized exploratory well costs for which proved reserves were not found at the exploratory well.	View
us-gaap	Capitalized Exploratory Well Costs	The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period.	View
us-gaap	Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year	The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling.	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 and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	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. Excludes 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), 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	Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net (Deprecated 2013-01-31)	The amount of net gains or losses on a cash flow hedge reclassified in the period to earnings from accumulated other comprehensive income.	View
us-gaap	Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.	View
us-gaap	Commodity Contract Asset, Current	Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.	View
us-gaap	Common Stock, Capital Shares Reserved for Future Issuance	Aggregate number of common shares reserved for future issuance.	View
us-gaap	Common Stock, Par or Stated Value Per Share	Face amount or stated value per share of common stock.	View
us-gaap	Common Stock, Shares Authorized	The maximum number of common shares permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Common Stock, Shares, Issued	Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.	View
us-gaap	Common Stock, Shares, Outstanding	Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.	View
us-gaap	Common Stock, Value, Issued	Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.	View
us-gaap	Contractual Interest Expense on Prepetition Liabilities Not Recognized in Statement of Operations	The amount of contractual interest expense on prepetition liabilities not included in the statement of operations.	View
us-gaap	Contractual Obligation	Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.	View
us-gaap	Contractual Obligation, to be Paid, after Year Five	Amount of contractual obligation 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	Contractual Obligation, to be Paid, Year Five	Amount of contractual obligation 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	Contractual Obligation, to be Paid, Year Four	Amount of contractual obligation 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	Contractual Obligation, to be Paid, Year One	Amount of contractual obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Contractual Obligation, to be Paid, Year Two	Amount of contractual obligation 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	Contractual Obligation, to be Paid, Year Three	Amount of contractual obligation 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	Contract with Customer, Asset, after Allowance for Credit Loss	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.	View
us-gaap	Contribution of Property	Value of property contributed in noncash investing and financing activities.	View
us-gaap	Conversion of Stock, Amount Converted (Deprecated 2011-01-31)	The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.	View
us-gaap	Costs and Expenses	Total costs of sales and operating expenses for the period.	View
us-gaap	Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.	View
us-gaap	Costs Incurred, Acquisition of Unproved Oil and Gas Properties	Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves.	View
us-gaap	Costs Incurred, 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	Current Federal Tax Expense (Benefit)	Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Current Foreign Tax Expense (Benefit)	Amount of current foreign income 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	Long-term Debt, Gross	Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.	View
us-gaap	Debt Instrument, Convertible, Beneficial Conversion Feature	Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.	View
us-gaap	Debt Instrument, Interest Rate, Stated Percentage	Contractual interest rate for funds borrowed, under the debt agreement.	View
us-gaap	Debt Instrument, Redemption Price, Percentage	Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.	View
us-gaap	Debt Instrument, Unamortized Discount (Premium), Net	Amount, after accumulated amortization, of debt discount (premium).	View
us-gaap	Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net	Amount of net gain (loss) on settlement of other claims for entities in bankruptcy, reported as a reorganization item.	View
us-gaap	Debtor Reorganization Items, Legal and Advisory Professional Fees	Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.	View
us-gaap	Debtor Reorganization Items, Other Expense (Income)	Amount of expense (income) related to reorganization items classified as other.	View
us-gaap	Debtor Reorganization Items, Revaluation of Assets and Liabilities	Amount recognized from the revaluation of assets and liabilities.	View
us-gaap	Debtor Reorganization Items, Write-off of Debt Issuance Costs and Debt Discounts	Amount of write-off of debt issuance costs and debt discounts related to prepetition debt obligations.	View
us-gaap	Debt, Weighted Average Interest Rate	Weighted average interest rate of debt outstanding.	View
us-gaap	Decrease Due to Sales of Minerals in Place	Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place.	View
us-gaap	Litigation Settlement, Expense	Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.	View
us-gaap	Deferred Compensation Liability, Current	Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.	View
us-gaap	Deferred Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Debt Issuance Costs, Gross	Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Costs, Net	Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Debt Issuance Costs, Noncurrent, Net	Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.	View
us-gaap	Deferred Foreign Income Tax Expense (Benefit)	Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Gain on Sale of Property	Amount of gain on the sale of property that does not qualify for gain recognition as of the balance sheet date.	View
us-gaap	Deferred Income Tax Assets, Net	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.	View
us-gaap	Deferred Income Tax Expense (Benefit)	Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Tax Liabilities, Gross	Amount of deferred tax liability attributable to taxable temporary differences.	View
us-gaap	Deferred 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, Current	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.	View
us-gaap	Deferred Tax Assets, Net, Noncurrent	Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Current	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as current.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, 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, 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, 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	Embedded Derivative, Fair Value of Embedded Derivative Liability	Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.	View
us-gaap	Deferred Tax Assets, Valuation Allowance	Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.	View
us-gaap	Deferred Tax Liabilities, Net	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.	View
us-gaap	Deferred Tax Liabilities, Net, Current	Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.	View
us-gaap	Deferred Tax Liabilities, Derivatives	Amount of deferred tax liability attributable to taxable temporary differences from derivatives.	View
us-gaap	Deferred Tax Liabilities, Leasing Arrangements	Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.	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	Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.	View
us-gaap	Deposit Assets	The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.	View
us-gaap	Depreciation, Depletion and Amortization	The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.	View
us-gaap	Derivative Asset	Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative Asset, Current	Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.	View
us-gaap	Derivative, Gain (Loss) on Derivative, Net	Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.	View
us-gaap	Derivative Instruments and Hedges, Assets	Carrying amount as of the balance sheet date of the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.	View
us-gaap	Derivative Instruments and Hedges, Liabilities	Sum as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.	View
us-gaap	Derivative Instruments and Hedges, Liabilities, Noncurrent	Fair value of liability arising from contracts that meet the criteria of being accounted for as derivative instruments, financial instrument or contract used to mitigate a specified risk (hedge), energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps.	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	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	Derivative, Net Hedge Ineffectiveness Gain (Loss)	Amount of gain (loss) from the ineffectiveness of the hedge.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	The future cost of producing oil and gas from proved reserves located in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31)	Amount of estimated future cost to be incurred in producing proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	This amount is the future net cash flows less the computed discount.	View
us-gaap	Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.	View
us-gaap	Dividends, Preferred Stock, Cash	Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.	View
us-gaap	Due to Related Parties, Current	Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Due to Related Parties, Noncurrent	Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.	View
us-gaap	Early Repayment of Senior Debt	The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.	View
us-gaap	Early Repayment of Subordinated Debt	The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.	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	Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	Percentage of domestic federal statutory tax rate applicable to pretax income (loss).	View
us-gaap	Embedded Derivative, Fair Value of Embedded Derivative Asset	Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as an asset.	View
us-gaap	Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.	View
us-gaap	Energy Related Inventory, Petroleum	Carrying amount as of the balance sheet date of petroleum or crude oil.	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	Extinguishment of Debt, Amount	Gross amount of debt extinguished.	View
us-gaap	Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)	This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.	View
us-gaap	Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings	Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).	View
us-gaap	Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements	Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs	Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.	View
us-gaap	Finance Lease, Interest Expense	Amount of interest expense on finance lease liability.	View
us-gaap	Finance Lease, Interest Payment on Liability	Amount of interest paid 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, Current	Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.	View
us-gaap	Finance Lease, Liability, Noncurrent	Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.	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 One	Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	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 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	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, after Accumulated Amortization	Amount, after accumulated amortization, of right-of-use asset from 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	Foreign Income Tax Expense (Benefit), Continuing Operations	Amount of current and deferred foreign income tax expense (benefit) attributable to income (loss) from continuing operations.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 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, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
us-gaap	Gain (Loss) on Hedging Activity	Gain (loss) incurred in hedging activities.	View
us-gaap	Gain (Loss) on Disposition of Oil and Gas Property	Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties.	View
us-gaap	Gain (Loss) on Disposition of Other Assets	Amount of gain (loss) on sale or disposal of other assets.	View
us-gaap	Gain (Loss) on 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 Balancing Volume Amount	The amount of the gas imbalance in terms of units of measure (Mcf) as of the end of the period.	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, Acquired During Period	Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.	View
us-gaap	Goodwill, Fair Value Disclosure	Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Goodwill, Gross	Amount before 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, Impaired, Accumulated Impairment Loss	Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Goodwill, Impairment Loss	Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.	View
us-gaap	Goodwill, Purchase Accounting Adjustments	Amount of increase (decrease) from adjustments after acquisition date under purchase accounting 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	Hedging Liabilities, Current	Carrying amount as of the balance sheet date of the liability arising from a financial instrument or a contract used to mitigate a specified risk (hedge), and which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.	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 Equity Method Investments, Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.	View
us-gaap	Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Income 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	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, Change in Enacted Tax Rate, 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 income tax rates.	View
us-gaap	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, 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 foreign income tax expense (benefit).	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, 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	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, 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 impairment loss.	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	Effective Income Tax Rate Reconciliation, Tax Credit, 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 credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.	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 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 Commodity Contract Assets and Liabilities	The increase (decrease) during the reporting period in the assets (liabilities) created through trading commodity-based derivative instruments.	View
us-gaap	Increase (Decrease) in Deferred Compensation	The increase (decrease) during the reporting period in the obligation created by employee agreements whereby earned compensation will be paid in the future.	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 Interest Payable, Net	The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity.	View
us-gaap	Increase (Decrease) in Other Operating Liabilities	Amount of increase (decrease) in operating liabilities classified as other.	View
us-gaap	Increase (Decrease) in Prepaid Expense and Other Assets	Amount of increase (decrease) in prepaid expenses, and assets classified as other.	View
us-gaap	Increase (Decrease) in Production Participation Plan Liability	The increase (decrease) during the reporting period in obligations arising from employee benefits that are based on cash flows generated by interests in oil and gas properties acquired or developed during the year.	View
us-gaap	Increase (Decrease) in Restricted Cash	The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.	View
us-gaap	Increase (Decrease) in Royalties Payable	The increase (decrease) during the reporting period in the obligations due for compensation payments related to the use of copyrights, patents, trade names, licenses, technology. Royalty payments are also paid by the lease holders for oil, gas, and mineral extraction.	View
us-gaap	Increase Due to Purchases of Minerals in Place	Amount of increase in standardized measure of discounted future net cash flow as a result of purchases of minerals in place.	View
us-gaap	Interest and Other Income	The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).	View
us-gaap	Interest Costs Capitalized	Amount of interest capitalized during the period.	View
us-gaap	Interest Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Expense, Long-term Debt	Aggregate amount of interest paid or due on all long-term debt.	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 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	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, Year One	Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	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	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	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	Liabilities, Noncurrent	Amount of obligation due after one year or beyond the normal operating cycle, if longer.	View
us-gaap	Liabilities of Assets Held-for-sale (Deprecated 2014-01-31)	Liability (such as a mortgage) related to a disposal group that is held for sale and anticipated to be sold in less than one year. The liability is expected to be discharged as part of the plan of sale for the asset.	View
us-gaap	Disposal Group, Including Discontinued Operation, Liabilities, Current	Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.	View
us-gaap	Liabilities Subject to Compromise	Total amount of liabilities subject to compromise.	View
us-gaap	Liabilities Subject to Compromise, Environmental Contingencies	The amount of environmental remediation liabilities included in liabilities subject to compromise.	View
us-gaap	Liability for Uncertainty in Income Taxes, Current	Amount recognized for uncertainty in income taxes classified as current.	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, 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 Debt, Current Maturities	Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Long-Term Debt, Maturity, Year Five	Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Long-Term Debt, Maturity, Year Four	Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Long-Term Debt, Maturity, Year Three	Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Long-Term Debt, Maturity, Year Two	Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Long-term Debt, Excluding Current Maturities	Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.	View
us-gaap	Loss Contingency Accrual	Amount of loss contingency liability.	View
us-gaap	Loss Contingency, Damages Sought, Value	The value (monetary amount) of the award the plaintiff seeks in the legal matter.	View
us-gaap	Loss on Contract Termination for Default	The amount of the loss on termination of a contract for default.	View
us-gaap	Materials, Supplies, and Other	The carrying amount of capitalized costs of materials, supplies, and other assets, which are not included in inventory but used in production.	View
us-gaap	Stockholders' Equity Attributable to Noncontrolling Interest	Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).	View
us-gaap	Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).	View
us-gaap	Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31)	Represents an increase in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest.	View
us-gaap	Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.	View
us-gaap	Noncontrolling Interest, Ownership Percentage by Parent	The parent entity's interest in net assets of the subsidiary, expressed as a percentage.	View
us-gaap	Net Cash Provided by (Used in) Continuing Operations	The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities	Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities, Continuing Operations	Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Proved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with proved reserves under the successful effort method.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities, Continuing Operations	Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities, Continuing Operations	Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Income (Loss) Attributable to Parent	The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.	View
us-gaap	Net Income (Loss) Attributable to Noncontrolling Interest	Amount of Net Income (Loss) attributable to noncontrolling interest.	View
us-gaap	Net Income (Loss) Available to Common Stockholders, Basic	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.	View
us-gaap	Net Income (Loss) Available to Common Stockholders, Diluted	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.	View
us-gaap	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
us-gaap	Noncontrolling Interest, Increase from Subsidiary Equity Issuance	Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.	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	Oil and Gas Delivery Commitments and Contracts, Daily Production	Amount of daily production of the applicable energy source.	View
us-gaap	Oil and Gas Reclamation Liability, Noncurrent	Amount of a reclamation liability that is associated with a legal obligation for the closure and reclamation of oil and gas properties.	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	Oil and Gas Sales Revenue (Deprecated 2018-01-31)	Revenue from the sale of oil and gas during the period.	View
us-gaap	Operating Income (Loss)	The net result for the period of deducting operating expenses from operating revenues.	View
us-gaap	Operating 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	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, Liability, Noncurrent	Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.	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 Lease, Right-of-Use Asset	Amount of lessee's right to use underlying asset under operating lease.	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	Proceeds from Stock Options Exercised	Amount of cash inflow from exercise of option under share-based payment arrangement.	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, Rent Expense, Net	Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.	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	Operating Loss Carryforwards, Valuation Allowance	The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.	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 Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31)	Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax	Amount after tax and reclassification adjustments of other comprehensive income (loss).	View
us-gaap	Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)	This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31)	Pre tax reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31)	Net of tax effect of the reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.	View
us-gaap	Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31)	Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.	View
us-gaap	Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).	View
us-gaap	Other Deferred Credits, Noncurrent	Amount of unearned revenue or income classified as other, expected to be taken into income after one year or the normal operating cycle, if longer.	View
us-gaap	Other Income	Amount of revenue and income classified as other.	View
us-gaap	Other Liabilities, Current	Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.	View
us-gaap	Other Liabilities, Noncurrent	Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.	View
us-gaap	Other Noncash Income (Expense)	Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.	View
us-gaap	Other Nonoperating Income (Expense)	Amount of income (expense) related to nonoperating activities, classified as other.	View
us-gaap	Other Preferred Stock Dividends and Adjustments	Amount of preferred stock dividends and adjustments classified as other.	View
us-gaap	Other Sundry Liabilities, Current	Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.	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 of Distributions to Affiliates	The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.	View
us-gaap	Payments of Ordinary Dividends, Preferred Stock and Preference Stock	Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.	View
us-gaap	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 Notes Receivable	The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.	View
us-gaap	Payments to Acquire Oil and Gas Property and Equipment	The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.	View
us-gaap	Payments to 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 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	Pension and Other Postretirement Benefits Cost (Reversal of Cost)	Amount of cost (reversal of cost) for pension and other postretirement benefits.	View
us-gaap	Postconfirmation, Stockholders' Equity	Total stockholders' equity at the balance sheet date after fresh-start adjustments.	View
us-gaap	Preferred Stock Conversions, Inducements	The excess of (1) the fair value of all securities and other consideration transferred in transactions by the registrant to the holders of the convertible preferred stock over (2) the fair value of securities issuable pursuant to the original conversion terms, during the accounting period.	View
us-gaap	Preferred Stock, Dividend Rate, Percentage	The percentage rate used to calculate dividend payments on preferred stock.	View
us-gaap	Preferred Stock, Liquidation Preference, Value	Value of the difference between preference in liquidation and the par or stated values of the preferred shares.	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 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	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 Contributions from Affiliates	The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.	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 Derivative Instrument, Investing Activities	The cash inflow provided by derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments.	View
us-gaap	Proceeds from Divestiture of Businesses	The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.	View
us-gaap	Proceeds from Income Tax Refunds	The amount of cash received during the period as refunds for the overpayment of taxes.	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 Convertible Preferred Stock	The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.	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 Subordinated Long-term Debt	The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.	View
us-gaap	Proceeds from Long-term Lines of Credit	The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.	View
us-gaap	Proceeds from Noncontrolling Interests	Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.	View
us-gaap	Proceeds from Other Deposits	Amount of cash inflow for receipts of deposits classified as other.	View
us-gaap	Proceeds from Sale and Maturity of Marketable Securities	The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.	View
us-gaap	Proceeds from Sale of Oil and Gas Property and Equipment	The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.	View
us-gaap	Proceeds from Sale of Other Productive Assets	Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, classified as other.	View
us-gaap	Proceeds from Sale of Other Property, Plant, and Equipment	Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.	View
us-gaap	Proceeds from Sale of Property, Plant, and Equipment	The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.	View
us-gaap	Production Tax Expense	A tax assessed on oil and gas production.	View
us-gaap	Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.	View
us-gaap	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization	Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.	View
us-gaap	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.	View
us-gaap	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization	Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.	View
us-gaap	Property, Plant and Equipment, Gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business 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, Net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	View
us-gaap	Property, Plant and Equipment, Other, Gross	Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.	View
us-gaap	Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31)	The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.	View
us-gaap	Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)	The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.	View
us-gaap	Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions	Additions to proved reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields.	View
us-gaap	Stock Issued During Period, Value, Acquisitions	Value of stock issued pursuant to acquisitions during the period.	View
us-gaap	Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves	Previously capitalized costs of the drilling of wells that were reclassified as part of the costs of the enterprise's wells and related equipment and facilities at the time that proved reserves were found.	View
us-gaap	Recognition of Deferred Revenue	The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method.	View
us-gaap	Reorganization Items	Total amount of reorganization items.	View
us-gaap	Reorganization Value	Amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.	View
us-gaap	Reorganization Value, Present Value of Discounted Cash Flows of Emerging Entity	Amount of reorganization value related to present value of discounted cash flows of the emerging entity. Reorganization value is the amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.	View
us-gaap	Repayments of Convertible Debt	The cash outflow from the repayment 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	Repayments of Long-term Lines of Credit	The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, 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	Repayments of Secured Debt	The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.	View
us-gaap	Repayments of Subordinated Debt	The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets or underlying collateral.	View
us-gaap	Restricted Cash and Cash Equivalents, Current	Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Restricted Stock or Unit Expense	Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.	View
us-gaap	Results of Operations, Dry Hole Costs	Dry hole costs from oil and gas producing activities.	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	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	Share-based Payment Arrangement, Accelerated Cost	Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	Number of additional shares authorized for issuance under share-based payment arrangement.	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, Exercisable, Number	The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31)	The weighted average period between the balance sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	For presentations that combine terminations, 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 or that expired.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	Weighted average price of options that were either forfeited or expired.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	Net number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.	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, 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, Number	Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.	View
us-gaap	Share-based Compensation 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 Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.	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	Short-term Lease, Cost	Amount of short-term lease cost, excluding expense for lease with term of one month or less.	View
us-gaap	Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds (Deprecated 2015-01-31)	The value of all consideration given or received by the Entity in the significant acquisition or disposal.	View
us-gaap	Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Pretax (Deprecated 2015-01-31)	The difference between the value of the consideration received by the Entity on the sale or disposal and net book value of assets sold or disposed, before any tax related impact.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	Stockholders' Equity Attributable to Parent	Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.	View
us-gaap	Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.	View
us-gaap	Stockholders' Equity Note, Stock Split, Conversion Ratio (Deprecated 2013-01-31)	This item represents the conversion ratio used in the calculation of a stock split.	View
us-gaap	Stockholders' Equity Note, Stock Split, Conversion Ratio	Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.	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, Restricted Stock Award, Gross	Aggregate value of stock related to Restricted Stock Awards issued during the period.	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	Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.	View
us-gaap	Taxes 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	Unamortized Debt Issuance Expense	The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.	View
us-gaap	Unproved Oil and Gas Property, Successful Effort Method	Oil and Gas properties with unproved reserves under the successful effort method.	View
us-gaap	Unrealized Gain (Loss) on Derivatives	The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.	View
us-gaap	Unrecognized Tax Benefits	Amount of unrecognized tax benefits.	View
us-gaap	Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.	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	Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	Amount of expense 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	Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.	View
us-gaap	Unrecognized Tax Benefits that Would Impact Effective Tax Rate	The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.	View
us-gaap	Unrecorded Unconditional Purchase Obligation, to be Paid, Year One	Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).	View
us-gaap	Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four	Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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	Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two	Amount of fixed and determinable portion of unrecorded unconditional purchase obligation 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

Chart of Accounts => Accounts

Name	View

Amortization of Debt Issuance Costs and Discounts	View
Auction Market Preferred Securities, Stock Series, Liquidation Value	View
Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	View
Capitalized Exploratory Well Costs, Greater than or Equal to One Year and Less than Two Years (Deprecated 2013-01-31)	View
Capitalized Exploratory Well Costs, Greater than or Equal to Two Years and Less than Three Years (Deprecated 2013-01-31)	View
Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year	View
Cash and Cash Equivalents, at Carrying Value	View
Debt Conversion, Converted Instrument, Shares Issued	View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	View
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	View
Deferred Tax Assets, Tax Credit Carryforwards, Other	View
Derivative Liability, Noncurrent	View
Derivative, Net Hedge Ineffectiveness Gain (Loss)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Income Tax Expense (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31)	View
Finance Lease, Weighted Average Discount Rate, Percent	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	View
Interest Expense, Long-term Debt	View
Interest Expense, Related Party	View
Interest Paid, Excluding Capitalized Interest, Operating Activities	View
Interest Payable, Current	View
Operating Lease, Liability, Current	View
Operating Leases, Future Minimum Payments Due, Next Twelve Months	View
Payments for Derivative Instrument, Investing Activities	View
Payments for Legal Settlements	View
Payment for Debt Extinguishment or Debt Prepayment Cost	View
Payments of Debt Issuance Costs	View
Proceeds from Derivative Instrument, Investing Activities	View
Proceeds from Sale of Other Property, Plant, and Equipment	View
Proceeds from Sale of Property, Plant, and Equipment	View
Proceeds from Stock Options Exercised	View
Proved Developed and Undeveloped Reserves, Purchases of Minerals in Place	View
Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates	View
Proved Developed and Undeveloped Reserves, Sales of Minerals in Place	View
Proved Developed Reserves (Volume)	View
Proved Oil and Gas Property, Successful Effort Method	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	View
Stock Issued During Period, Shares, New Issues	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	View
Stock Issued During Period, Value, Acquisitions	View
Stock Issued During Period, Value, Conversion of Convertible Securities	View
Unproved Oil and Gas Property, Successful Effort Method	View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two	View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three	View
Unrecorded Unconditional Purchase Obligation	View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	View
Variable Lease, Cost	View
Weighted Average Number of Shares Outstanding, Diluted	View
Weighted Average Number of Shares Outstanding, Basic and Diluted	View
Weighted Average Number of Shares Outstanding, Basic	View
Weighted Average Number of Shares, Restricted Stock	View
Finance Lease, Right-of-Use Asset, Accumulated Amortization	View
Finance Lease, Right-of-Use Asset, before Accumulated Amortization	View
Liabilities Subject to Compromise, Other Liabilities	View
Liabilities Subject to Compromise, Period Increase (Decrease)	View
Business Combination, Bargain Purchase, Gain Recognized, Amount	View
Common Stock, Dividends, Per Share, Cash Paid	View
Dividends	View
Dividends, Common Stock	View
Dividends Payable, Amount Per Share	View
Payments of Ordinary Dividends, Common Stock	View
Operating Lease, Cost	View
Operating Lease, Liability	View
Derivative Liability, Current	View
Interest Expense	View
Accounts Payable, Current	View
Accounts Payable, Trade, Current	View
Accounts Receivable, after Allowance for Credit Loss, Current	View
Accretion Expense	View
Accretion of Discount (Deprecated 2016-01-31)	View
Accrued Liabilities, Current	View
Accrued Royalties, Current	View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	View
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	View
Additional Paid in Capital	View
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Other (Deprecated 2011-01-31)	View
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	View
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments	View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	View
Adjustments to Additional Paid in Capital, Stock Split	View
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	View
Adjustments to Additional Paid in Capital, Warrant Issued	View
Share-based Payment Arrangement, Expense	View
Accounts Receivable, Allowance for Credit Loss	View
Accounts Receivable, Allowance for Credit Loss, Current	View
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries	View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	View
Asset Impairment Charges	View
Asset Retirement Obligation	View
Asset Retirement Obligation, Accretion Expense	View
Asset Retirement Obligation, Current	View
Asset Retirement Obligation, Liabilities Incurred	View
Asset Retirement Obligation, Liabilities Settled	View
Asset Retirement Obligation, Revision of Estimate	View
Assets	View
Assets, Current	View
Assets Held-for-sale, Current (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Assets, Current	View
Average Production Costs Per Barrel of Oil Equivalents (BOE) (Deprecated 2019-01-31)	View
Bankruptcy Claims, Amount of Claims Filed	View
Bankruptcy Claims, Number Claims Filed	View
Business Acquisition, Goodwill, Expected Tax Deductible Amount	View
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination	View
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	View
Capital Expenditures Incurred but Not yet Paid	View
Capitalized Costs, Asset Retirement Costs	View
Capitalized Costs, Mineral Interests in Proved Properties	View
Capitalized Costs, Mineral Interests in Unproved Properties	View
Capitalized Costs, Oil and Gas Producing Activities, Gross	View
Capitalized Costs, Oil and Gas Producing Activities, Net	View
Capitalized Costs, Proved Properties	View
Capitalized Costs, Uncompleted Wells, Equipment and Facilities	View
Capitalized Costs, Unproved Properties	View
Capitalized Costs, Wells and Related Equipment and Facilities	View
Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves	View
Capitalized Exploratory Well Cost, Charged to Expense (Deprecated 2016-01-31)	View
Capitalized Exploratory Well Cost, Charged to Expense	View
Capitalized Exploratory Well Costs	View
Cash and Cash Equivalents, Period Increase (Decrease)	View
Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	View
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net (Deprecated 2013-01-31)	View
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	View
Cash Flow Hedge Gain Reclassified to Earnings (Deprecated 2013-01-31)	View
Commodity Contract Asset, Current	View
Commodity Contract Asset, Noncurrent	View
Common Stock, Capital Shares Reserved for Future Issuance	View
Common Stock, Par or Stated Value Per Share	View
Common Stock, Shares Authorized	View
Common Stock, Shares, Issued	View
Common Stock, Shares, Outstanding	View
Common Stock, Value, Issued	View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	View
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Contractual Interest Expense on Prepetition Liabilities Not Recognized in Statement of Operations	View
Contractual Obligation	View
Contractual Obligation, to be Paid, after Year Five	View
Contractual Obligation, to be Paid, Year Five	View
Contractual Obligation, to be Paid, Year Four	View
Contractual Obligation, to be Paid, Year One	View
Contractual Obligation, to be Paid, Year Two	View
Contractual Obligation, to be Paid, Year Three	View
Contract with Customer, Asset, after Allowance for Credit Loss	View
Contribution of Property	View
Conversion of Stock, Amount Converted (Deprecated 2011-01-31)	View
Conversion of Stock, Amount Converted	View
Conversion of Stock, Amount Issued (Deprecated 2011-01-31)	View
Conversion of Stock, Amount Issued	View
Costs and Expenses	View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	View
Costs Incurred, Acquisition of Unproved Oil and Gas Properties	View
Costs Incurred, Development Costs	View
Costs Incurred, Exploration Costs	View
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities	View
Current Federal Tax Expense (Benefit)	View
Current Foreign Tax Expense (Benefit)	View
Current Income Tax Expense (Benefit)	View
Current State and Local Tax Expense (Benefit)	View
Debt Conversion, Converted Instrument, Amount	View
Long-term Debt, Gross	View
Debt Instrument, Convertible, Beneficial Conversion Feature	View
Debt Instrument, Interest Rate, Stated Percentage	View
Debt Instrument, Redemption Price, Percentage	View
Debt Instrument, Unamortized Discount (Premium), Net	View
Debtor Reorganization Items, Gain (Loss) on Settlement of Other Claims, Net	View
Debtor Reorganization Items, Legal and Advisory Professional Fees	View
Debtor Reorganization Items, Other Expense (Income)	View
Debtor Reorganization Items, Revaluation of Assets and Liabilities	View
Debtor Reorganization Items, Write-off of Debt Issuance Costs and Debt Discounts	View
Debt, Weighted Average Interest Rate	View
Decrease Due to Sales of Minerals in Place	View
Deferred Compensation Liability, Classified, Noncurrent	View
Deferred Compensation Liability, Current	View
Deferred Federal Income Tax Expense (Benefit)	View
Debt Issuance Costs, Gross	View
Debt Issuance Costs, Net	View
Debt Issuance Costs, Noncurrent, Net	View
Deferred Foreign Income Tax Expense (Benefit)	View
Deferred Gain on Sale of Property	View
Deferred Income Tax Assets, Net	View
Deferred Income Tax Expense (Benefit)	View
Deferred Tax Liabilities, Gross	View
Deferred Income Tax Liabilities, Net	View
Deferred State and Local Income Tax Expense (Benefit)	View
Deferred Tax Assets, Derivative Instruments	View
Deferred Tax Assets, Gross	View
Deferred Tax Assets, Net	View
Deferred Tax Assets, Net, Current	View
Deferred Tax Assets, Net, Noncurrent	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Current	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, Other	View
Deferred Tax Assets, Property, Plant and Equipment	View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations	View
Deferred Tax Assets, Valuation Allowance	View
Deferred Tax Liabilities, Net	View
Deferred Tax Liabilities, Net, Current	View
Deferred Tax Liabilities, Derivatives	View
Deferred Tax Liabilities, Leasing Arrangements	View
Deferred Tax Liabilities, Net, Noncurrent	View
Deferred Tax Liabilities, Other	View
Deferred Tax Liabilities, Property, Plant and Equipment	View
Defined Contribution Plan, Cost	View
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	View
Deposit Assets	View
Depreciation, Depletion and Amortization	View
Derivative Asset	View
Derivative Asset, Current	View
Derivative, Gain (Loss) on Derivative, Net	View
Derivative Instruments and Hedges, Assets	View
Derivative Instruments and Hedges, Liabilities	View
Derivative Instruments and Hedges, Liabilities, Noncurrent	View
Derivative Instruments, Gain (Loss) Recognized in Income, Net (Deprecated 2013-01-31)	View
Derivative Liability	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	View
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	View
Dividends, Preferred Stock, Cash	View
Due to Related Parties, Current	View
Due to Related Parties, Noncurrent	View
Early Repayment of Senior Debt	View
Early Repayment of Subordinated Debt	View
Earnings Per Share, Basic	View
Earnings Per Share, Diluted	View
Effective Income Tax Rate Reconciliation, Percent	View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	View
Embedded Derivative, Fair Value of Embedded Derivative Asset	View
Embedded Derivative, Fair Value of Embedded Derivative Liability	View
Employee-related Liabilities, Current	View
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	View
Energy Related Inventory, Petroleum	View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	View
Extinguishment of Debt, Amount	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net	View
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings	View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements	View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs	View
Finance Lease, Interest Expense	View
Finance Lease, Interest Payment on Liability	View
Finance Lease, Liability	View
Finance Lease, Liability, Current	View
Finance Lease, Liability, Noncurrent	View
Finance Lease, Liability, Payment, Due	View
Finance Lease, Liability, to be Paid, after Year Five	View
Finance Lease, Liability, to be Paid, Year One	View
Finance Lease, Liability, to be Paid, Year Five	View
Finance Lease, Liability, to be Paid, Year Four	View
Finance Lease, Liability, to be Paid, Year Three	View
Finance Lease, Liability, to be Paid, Year Two	View
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year	View
Finance Lease, Liability, Undiscounted Excess Amount	View
Finance Lease, Principal Payments	View
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	View
Finance Lease, Right-of-Use Asset, Amortization	View
Foreign Income Tax Expense (Benefit), Continuing Operations	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	View
Gain (Loss) on Hedging Activity	View
Gain (Loss) on Disposition of Oil and Gas Property	View
Gain (Loss) on Disposition of Other Assets	View
Gain (Loss) on Extinguishment of Debt	View
Gas Balancing Volume Amount	View
General and Administrative Expense	View
Goodwill	View
Goodwill, Acquired During Period	View
Goodwill, Fair Value Disclosure	View
Goodwill, Gross	View
Goodwill, Impaired, Accumulated Impairment Loss	View
Goodwill, Impairment Loss	View
Goodwill, Purchase Accounting Adjustments	View
Hedging Liabilities, Current	View
Hedging Liabilities, Noncurrent	View
Impairment of Oil and Gas Properties	View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	View
Income Tax Expense (Benefit)	View
Income Taxes Paid	View
Income Taxes Paid, Net	View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	View
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	View
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	View
Increase (Decrease) in Accounts Payable and Accrued Liabilities	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Accrued Taxes Payable	View
Increase (Decrease) in Commodity Contract Assets and Liabilities	View
Increase (Decrease) in Deferred Compensation	View
Changes in Estimated Future Development Costs	View
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves	View
Increase (Decrease) in Interest Payable, Net	View
Increase (Decrease) in Other Operating Liabilities	View
Increase (Decrease) in Prepaid Expense and Other Assets	View
Increase (Decrease) in Production Participation Plan Liability	View
Increase (Decrease) in Restricted Cash	View
Increase (Decrease) in Royalties Payable	View
Increase Due to Purchases of Minerals in Place	View
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares	View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock	View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	View
Interest and Other Income	View
Interest Costs Capitalized	View
Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	View
Lessee, Operating Lease, Liability, to be Paid	View
Lessee, Operating Lease, Liability, to be Paid, after Year Five	View
Lessee, Operating Lease, Liability, to be Paid, Year One	View
Lessee, Operating Lease, Liability, to be Paid, Year Five	View
Lessee, Operating Lease, Liability, to be Paid, Year Four	View
Lessee, Operating Lease, Liability, to be Paid, Year Three	View
Lessee, Operating Lease, Liability, to be Paid, Year Two	View
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year	View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	View
Liabilities	View
Liabilities and Equity	View
Liabilities, Current	View
Liabilities, Noncurrent	View
Liabilities of Assets Held-for-sale (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Liabilities, Current	View
Liabilities Subject to Compromise	View
Liabilities Subject to Compromise, Environmental Contingencies	View
Liability for Uncertainty in Income Taxes, Current	View
Long-term Line of Credit	View
Line of Credit Facility, Current Borrowing Capacity	View
Line of Credit Facility, Interest Rate at Period End	View
Line of Credit Facility, Remaining Borrowing Capacity	View
Litigation Settlement, Expense	View
Long-term Debt	View
Long-term Debt, Current Maturities	View
Long-Term Debt, Maturity, Year One	View
Long-Term Debt, Maturity, Year Five	View
Long-Term Debt, Maturity, Year Four	View
Long-Term Debt, Maturity, Year Three	View
Long-Term Debt, Maturity, Year Two	View
Long-term Debt, Excluding Current Maturities	View
Loss Contingency Accrual	View
Loss Contingency, Damages Sought, Value	View
Loss on Contract Termination for Default	View
Materials, Supplies, and Other	View
Stockholders' Equity Attributable to Noncontrolling Interest	View
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests	View
Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest (Deprecated 2013-01-31)	View
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	View
Noncontrolling Interest, Ownership Percentage by Parent	View
Net Cash Provided by (Used in) Continuing Operations	View
Net Cash Provided by (Used in) Financing Activities	View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	View
Net Cash Provided by (Used in) Investing Activities	View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	View
Net Cash Provided by (Used in) Operating Activities	View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	View
Net Income (Loss) Attributable to Parent	View
Net Income (Loss) Attributable to Noncontrolling Interest	View
Net Income (Loss) Available to Common Stockholders, Basic	View
Net Income (Loss) Available to Common Stockholders, Diluted	View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	View
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	View
Number of Operating Segments	View
Oil and Gas Delivery Commitments and Contracts, Daily Production	View
Oil and Gas Reclamation Liability, Noncurrent	View
Oil and Gas Sales Payable, Current	View
Oil and Gas Sales Revenue (Deprecated 2018-01-31)	View
Operating Income (Loss)	View
Operating Lease, Liability, Noncurrent	View
Operating Lease, Payments	View
Operating Lease, Right-of-Use Asset	View
Operating Leases, Future Minimum Payments Due	View
Operating Leases, Future Minimum Payments, Due in Five Years	View
Operating Leases, Future Minimum Payments, Due in Four Years	View
Operating Leases, Future Minimum Payments, Due in Three Years	View
Operating Leases, Future Minimum Payments, Due in Two Years	View
Operating Leases, Future Minimum Payments, Due Thereafter	View
Operating Leases, Rent Expense, Net	View
Operating Lease, Weighted Average Discount Rate, Percent	View
Operating Loss Carryforwards	View
Operating Loss Carryforwards, Valuation Allowance	View
Other Accrued Liabilities, Current	View
Other Assets, Current	View
Other Assets, Noncurrent	View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Effect (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Net of Tax	View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, before Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax (Deprecated 2012-01-31)	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	View
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	View
Other Deferred Credits, Noncurrent	View
Other Income	View
Other Liabilities, Current	View
Other Liabilities, Noncurrent	View
Other Noncash Income (Expense)	View
Other Nonoperating Income (Expense)	View
Other Preferred Stock Dividends and Adjustments	View
Other Sundry Liabilities, Current	View
Payment of Financing and Stock Issuance Costs	View
Payments of Distributions to Affiliates	View
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	View
Payment, Tax Withholding, Share-based Payment Arrangement	View
Payments to Acquire Notes Receivable	View
Payments to Acquire Oil and Gas Property and Equipment	View
Payments to Acquire Other Property, Plant, and Equipment	View
Payments to Explore and Develop Oil and Gas Properties	View
Pension and Other Postretirement Benefits Cost (Reversal of Cost)	View
Postconfirmation, Stockholders' Equity	View
Preferred Stock Conversions, Inducements	View
Preferred Stock, Dividend Rate, Percentage	View
Preferred Stock Dividends, Income Statement Impact	View
Preferred Stock, Liquidation Preference, Value	View
Preferred Stock, Par or Stated Value Per Share	View
Preferred Stock, Shares Authorized	View
Preferred Stock, Shares Issued	View
Preferred Stock, Shares Outstanding	View
Preferred Stock, Value, Issued	View
Prepaid Expense and Other Assets, Current	View
Previously Estimated Development Costs Incurred During Period (Deprecated 2015-01-31)	View
Proceeds from Contributions from Affiliates	View
Proceeds from Convertible Debt	View
Proceeds from Divestiture of Businesses	View
Proceeds from Income Tax Refunds	View
Proceeds from Issuance of Common Stock	View
Proceeds from Issuance of Convertible Preferred Stock	View
Proceeds from Issuance of Senior Long-term Debt	View
Proceeds from Issuance of Subordinated Long-term Debt	View
Proceeds from Long-term Lines of Credit	View
Proceeds from Noncontrolling Interests	View
Proceeds from Other Deposits	View
Proceeds from Sale and Maturity of Marketable Securities	View
Proceeds from Sale of Oil and Gas Property and Equipment	View
Proceeds from Sale of Other Productive Assets	View
Production, Barrels of Oil Equivalents (Deprecated 2013-01-31)	View
Production Tax Expense	View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	View
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization	View
Property, Plant and Equipment, Gross	View
Property, Plant and Equipment, Net	View
Property, Plant and Equipment, Other, Gross	View
Property, Plant and Equipment, Useful Life, Maximum (Deprecated 2012-01-31)	View
Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)	View
Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions	View
Proved Developed and Undeveloped Reserves, Net	View
Proved Developed and Undeveloped Reserves, Production	View
Proved Developed Reserves (BOE) (Deprecated 2013-01-31)	View
Proved Undeveloped Reserve (Volume)	View
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves	View
Recognition of Deferred Revenue	View
Reorganization Items	View
Reorganization Value	View
Reorganization Value, Present Value of Discounted Cash Flows of Emerging Entity	View
Repayments of Convertible Debt	View
Repayments of Long-term Lines of Credit	View
Repayments of Related Party Debt	View
Repayments of Secured Debt	View
Repayments of Subordinated Debt	View
Restricted Cash and Cash Equivalents, Current	View
Restricted Stock or Unit Expense	View
Results of Operations, Dry Hole Costs	View
Results of Operations, Transportation Costs	View
Retained Earnings (Accumulated Deficit)	View
Revenue from Contract with Customer, Excluding Assessed Tax	View
Revenues	View
Revisions of Previous Quantity Estimates	View
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	View
Sale of Stock, Price Per Share	View
Sales and Excise Tax Payable, Current	View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Payment Arrangement, Accelerated Cost	View
Unamortized Debt Issuance Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (Deprecated 2012-01-31)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	View
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)	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Deprecated 2012-01-31)	View
Short-term Lease, Cost	View
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds (Deprecated 2015-01-31)	View
Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Pretax (Deprecated 2015-01-31)	View
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	View
Stockholders' Equity Attributable to Parent	View
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	View
Stockholders' Equity Note, Stock Split, Conversion Ratio (Deprecated 2013-01-31)	View
Stockholders' Equity Note, Stock Split, Conversion Ratio	View
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments	View
Stock Issued During Period, Value, New Issues	View
Stock Issued During Period, Value, Restricted Stock Award, Gross	View
Stock Issued During Period, Value, Stock Options Exercised	View
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	View
Taxes Payable, Current	View
Unrealized Gain (Loss) on Derivatives	View
Unrecognized Tax Benefits	View
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	View
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	View
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	View
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	View
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year One	View
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four	View

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