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Company Name: HOUSTON AMERICAN ENERGY CORP.

CIK: 1156041

Phone: None

Fiscal Year End: None

Entity Type:

SIC: -

Category Type:

Entity Name: None

First Filing Date: 2011-08-02

Last Filing Date: 2025-05-09

SEC Filings

Start	End	Frame	Filed	ACCN	Value	View

	2023-06-30	CY2023Q2I	2024-04-04	0001493152-24-013202	$ 21,400,000	View
2012-01-01	2012-03-31	CY2011Q1	2012-05-10	0001140361-12-024414	$ 233,758	View
2014-04-01	2014-06-30	CY2013Q2	2014-08-13	0001140361-14-032258	$ 52,169,945	View
2016-04-01	2016-06-30	CY2015Q2	2016-08-10	0001493152-16-012133	$ 51,499,336	View
2016-07-01	2016-09-30	CY2015Q3	2016-11-09	0001493152-16-014666	$ 51,467,438	View
2016-01-01	2016-12-31	CY2015	2017-03-16	0001493152-17-002481	$ 51,472,124	View
2017-01-01	2017-03-31	CY2016Q1	2017-05-12	0001493152-17-005133	$ 51,277,388	View
2012-04-01	2012-06-30	CY2011Q2	2012-08-23	0001140361-12-038324	$ 34,844,351	View
2012-07-01	2012-09-30	CY2011Q3	2012-11-09	0001140361-12-046510	$ 37,365,230	View
2012-01-01	2012-12-31	CY2011	2013-04-01	0001140361-13-014794	$ 38,799,434	View
2013-01-01	2013-03-31	CY2012Q1	2013-05-15	0001140361-13-021011	$ 52,180,045	View
2013-04-01	2013-06-30	CY2012Q2	2013-08-14	0001140361-13-032229	$ 52,180,045	View
2013-01-01	2013-12-31	CY2012	2014-03-14	0001140361-14-012768	$ 52,175,677	View
2014-01-01	2014-03-31	CY2013Q1	2014-05-13	0001140361-14-020535	$ 52,169,945	View
2014-07-01	2014-09-30	CY2013Q3	2014-11-14	0001140361-14-042273	$ 52,169,945	View
2018-01-01	2018-12-31	CY2017	2019-04-01	0001493152-19-004519	$ 60,616,220	View
2019-04-01	2019-06-30	CY2018Q2	2019-08-14	0001493152-19-012518	$ 62,543,889	View
2019-07-01	2019-09-30	CY2018Q3	2019-11-14	0001493152-19-017447	$ 63,082,485	View
2019-01-01	2019-12-31	CY2018	2020-03-30	0001493152-20-005273	$ 65,947,646	View
2020-01-01	2020-03-31	CY2019Q1	2020-05-15	0001493152-20-009003	$ 85,575,142	View
2020-04-01	2020-06-30	CY2019Q2	2020-08-14	0001493152-20-015858	$ 6,903,576	View
2013-01-01	2013-09-30	CY2012Q3	2013-11-14	0001140361-13-042727	$ 116,250	View
2021-01-01	2022-12-31	CY2022Q4I	2023-03-31	0001493152-23-010237	$ 2,000,000	View
2014-01-01	2014-12-31	CY2013	2015-03-18	0001140361-15-012458	$ 52,169,945	View
2015-01-01	2015-03-31	CY2014Q1	2015-05-13	0001140361-15-019421	$ 52,169,945	View
2015-04-01	2015-06-30	CY2014Q2	2015-08-12	0001140361-15-031391	$ 52,169,945	View
2015-07-01	2015-09-30	CY2014Q3	2015-11-12	0001140361-15-040902	$ 52,169,945	View
2015-01-01	2015-12-31	CY2014	2016-03-18	0001567619-16-002037	$ 52,159,726	View
2016-01-01	2016-03-31	CY2015Q1	2016-05-16	0001140361-16-065640	$ 51,646,527	View
2017-04-01	2017-06-30	CY2016Q2	2017-08-14	0001493152-17-009069	$ 51,277,388	View
2017-07-01	2017-09-30	CY2016Q3	2017-11-08	0001493152-17-012562	$ 54,330,541	View
2017-01-01	2017-12-31	CY2016	2018-03-30	0001493152-18-004278	$ 53,879,606	View
2018-01-01	2018-03-31	CY2017Q1	2018-05-14	0001493152-18-006725	$ 59,460,101	View
2018-04-01	2018-06-30	CY2017Q2	2018-08-14	0001493152-18-011838	$ 59,537,559	View
2018-07-01	2018-09-30	CY2017Q3	2018-11-13	0001493152-18-015627	$ 61,220,932	View
2019-01-01	2019-03-31	CY2018Q1	2019-05-15	0001493152-19-007515	$ 62,425,140	View
2020-07-01	2020-09-30	CY2019Q3	2020-11-13	0001493152-20-021339	$ 6,972,128	View
2020-01-01	2020-12-31	CY2019	2021-04-01	0001493152-21-007599	$ 6,939,305	View
2021-01-01	2021-03-31	CY2021Q1	2021-05-17	0001493152-21-011846	$ 8,896,432	View
2021-04-01	2021-06-30	CY2021Q2	2021-08-13	0001493152-21-019673	$ 9,923,338	View
2021-07-01	2021-09-30	CY2021Q3	2021-11-12	0001493152-21-028172	$ 9,928,338	View
2011-01-01	2011-06-30	CY2011Q1	2011-08-02	0001140361-11-039033	$ 31,111,267	View
2011-07-01	2011-09-30	CY2011Q3	2011-11-08	0001140361-11-052368	$ 31,165,230	View
2011-01-01	2011-12-31	CY2011	2012-03-07	0001140361-12-013863	$ 31,138,470	View
2020-07-01	2020-07-31	CY2020Q2I	2022-03-31	0001493152-22-008596	$ 6,960,575	View
2022-01-01	2022-03-31	CY2022Q1I	2022-05-16	0001493152-22-013809	$ 1,000,000	View
2022-04-01	2022-06-30	CY2022Q2	2022-08-15	0001493152-22-022925	$ 455,953	View
2022-07-01	2022-09-30	CY2022Q3I	2022-11-14	0001493152-22-032014	$ 3,896,362	View
2023-01-01	2023-03-31	CY2023Q1	2023-05-15	0001493152-23-017395	$ 739,874	View
2023-01-01	2023-06-30	CY2022Q2	2023-08-14	0001493152-23-028404	$ 648,475	View
2023-01-01	2023-09-30	CY2023Q3I	2023-11-14	0001493152-23-041141	$ 34,659	View
2023-01-01	2023-12-31	CY2023	2024-04-02	0001493152-24-012685	$ 3	View
2024-01-01	2024-03-31	CY2024Q1	2024-05-15	0001493152-24-020015	$ 361,216	View
2024-01-01	2024-06-30	CY2024Q2I	2024-08-14	0001493152-24-032176	$ 654,142	View
2024-07-01	2024-09-30	CY2024Q3I	2024-11-14	0001493152-24-045988	$ 1,457,327	View
2025-01-01	2025-03-31	CY2025Q1I	2025-05-09	0001641172-25-009427	$ 1,101,041	View
2024-01-01	2024-12-31	None	2025-02-24	0001493152-25-007948	$ 32,060	View
2024-01-01	2024-12-31	CY2024	2025-04-30	0001641172-25-007857	$ 32,060	View

SEC Facts By Type

Type	Name	Description	View

srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in producing proved oil and gas reserves.	View
srt	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	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	Accumulated Other Comprehensive Income (Loss), Net of Tax	Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.	View
us-gaap	APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment arrangement.	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	Capitalized Costs, Support Equipment and Facilities	Capitalized costs incurred for support equipment and facilities used in oil and gas producing activities (such as seismic equipment, drilling equipment, construction and grading equipment, vehicles, repair shops, warehouses, supply points, camps, and division, district, or field offices).	View
us-gaap	Cash and Cash Equivalents, 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	Concentration Risk, Percentage	"For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the ""benchmark"" (or denominator) in the equation, this concept represents the concentration percentage derived from the division."	View
us-gaap	Deferred Rent Credit, Noncurrent	For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.	View
us-gaap	Deferred Tax Liabilities, Gross, Noncurrent	Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax.	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	Earnings Per Share, Basic and Diluted	The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.	View
us-gaap	Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile (Deprecated 2013-01-31)	Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in the entity's country of domicile.	View
us-gaap	Exploration Costs, Period Cost	"The capitalized costs incurred during the period (excluded from amortization) in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. Exploration costs also include costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, the maintenance of land and lease records, dry hole contributions and bottom hole contributions, costs of drilling and equipping exploratory wells and costs of drilling exploratory-type stratigraphic test wells."	View
us-gaap	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, 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	Income Tax Examination, Range of Possible Losses (Deprecated 2013-01-31)	The estimated range of reasonably possible losses resulting from an adverse position taken by a taxing authority.	View
us-gaap	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.	View
us-gaap	Insurance Settlements Receivable, Current	Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.	View
us-gaap	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.	View
us-gaap	Estimated Litigation Liability, Current	Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.	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	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	Operating Leases, Future Minimum Payments Due, Next Twelve Months	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Other Comprehensive Income (Loss), 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	OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.	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	Proceeds from Issuance of Common Stock	The cash inflow from the additional capital contribution to the entity.	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	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	Settlement of Asset Retirement Obligations Through Noncash Payments, Amount	Amount of asset retirement obligations settled through noncash transactions. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	Weighted average price at which option holders acquired shares when converting their stock options into shares.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.	View
us-gaap	Treasury Stock, Value	The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.	View
us-gaap	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	Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.	View
us-gaap	Equity Method Investment, Aggregate Cost	This element represents the aggregate cost of investments accounted for under the equity method of accounting.	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	Interest Expense	Amount of the cost of borrowed funds accounted for as interest expense.	View
us-gaap	Interest Expense, Related Party	Amount of interest expense incurred on a debt or other obligation to related party.	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 Lease, Right-of-Use Asset, Amortization Expense	Amount of amortization expense for right-of-use asset from operating lease.	View
us-gaap	Payments to Acquire Furniture and Fixtures	The cash outflow for acquisition of furniture and fixtures.	View
us-gaap	Payments to Acquire Investments	The cash outflow associated with the purchase of all investments (debt, security, other) during the period.	View
us-gaap	Payments to Acquire Marketable Securities	Amount of cash outflow for purchase of marketable security.	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
dei	Entity Listing, Par Value Per Share	The par value per share of security quoted in same currency as Trading currency. Example: '0.01'.	View
srt	Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	Amount, after future accumulated cash outflow for development and production costs and future income tax, of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
srt	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	Amount of discount on future accumulated cash inflow, after deducting future accumulated cash outflow for development and production costs and future income tax, from sale of proved oil and gas reserves, using a discount rate of ten percent a year.	View
srt	Changes in Estimated Future Development Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs.	View
srt	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
srt	Sales and Transfers of Oil and Gas Produced, Net of Production Costs	Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.	View
srt	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.	View
srt	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	Accounts 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	Accretion of Discount (Deprecated 2016-01-31)	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.	View
us-gaap	Accrued Income Taxes, Current	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.	View
us-gaap	Accrued Income Taxes, Noncurrent	Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.	View
us-gaap	Accrued Liabilities, Current	Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accrued Professional Fees, Current	Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.	View
us-gaap	Acquisition Costs, Cumulative	The capitalized costs incurred (excluded from amortization), as of the date of the balance sheet, to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.	View
us-gaap	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	Additional Paid in Capital, Common Stock	Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.	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 Issued, Issuance Costs	Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.	View
us-gaap	Adjustments to 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 Discount (Premium)	Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.	View
us-gaap	Amortization of Deferred Charges	The amount of amortization of deferred charges applied against earnings during the period.	View
us-gaap	Asset Impairment Charges	Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.	View
us-gaap	Asset Retirement Obligation	The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Asset Retirement Obligation, Accretion Expense	Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.	View
us-gaap	Asset Retirement Obligation, 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, Period Increase (Decrease)	Amount of increase (decrease) in asset retirement obligations.	View
us-gaap	Asset Retirement Obligation, Revision of Estimate	Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.	View
us-gaap	Asset Retirement Obligations, Noncurrent	Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.	View
us-gaap	Assets	Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Assets, Current	Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.	View
us-gaap	Available-for-sale Securities, Current	Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.	View
us-gaap	Business Acquisition, Percentage of Voting Interests Acquired	Percentage of voting equity interests acquired at the acquisition date in the business combination.	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 of Unproved Properties Excluded from Amortization, Cumulative	The sum of the capitalized costs incurred, as of the balance sheet date, of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.	View
us-gaap	Capitalized Costs, Oil and Gas Producing Activities, Net	Net amount of capitalized costs relating to oil and gas producing activities.	View
us-gaap	Capitalized Costs, 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	Cash	Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. 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, FDIC Insured Amount	The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.	View
us-gaap	Cash, Uninsured Amount	The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.	View
us-gaap	Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)	Exercise price per share or per unit of warrants or rights outstanding.	View
us-gaap	Commitments and Contingencies	Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.	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, 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	Costs Incurred, Acquisition of Oil and Gas Properties	Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.	View
us-gaap	Costs Incurred, Development Costs	Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.	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 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 Instrument, Face Amount	Face (par) amount of debt instrument at time of issuance.	View
us-gaap	Debt Instrument, Interest Rate, Stated Percentage	Contractual interest rate for funds borrowed, under the debt agreement.	View
us-gaap	Debt Instrument, Unamortized Discount, Current	Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer.	View
us-gaap	Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.	View
us-gaap	Decrease Due to Sales of Minerals in Place	Amount of decrease in standardized measure of discounted future net cash flow as a result of sales of minerals in place.	View
us-gaap	Deferred Federal Income Tax Expense (Benefit)	Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.	View
us-gaap	Deferred Income Tax Expense (Benefit)	Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.	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, Gross	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Gross, Noncurrent	Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.	View
us-gaap	Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, Domestic	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.	View
us-gaap	Deferred Tax Assets, Operating Loss Carryforwards, Foreign	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign 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, State Taxes	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes.	View
us-gaap	Deferred Tax Assets, Tax Credit Carryforwards, 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 Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.	View
us-gaap	Deferred Tax Assets, Valuation Allowance	Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.	View
us-gaap	Deferred Tax Assets, Valuation Allowance, Noncurrent	Amount of valuation allowance of deferred tax asset attributable to deductible temporary differences and carryforwards, classified as noncurrent.	View
us-gaap	Depletion	The noncash expense charged against earnings to recognize the consumption of natural resources.	View
us-gaap	Depletion of Oil and Gas Properties	The noncash expense charged against earnings to recognize the consumption of oil and gas reserves that are part of an entities' assets.	View
us-gaap	Deposits	The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.	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	Development Costs, Period Cost	The capitalized costs incurred during the period (excluded from amortization) to obtain access to proved reserves and to provide facilities for extracting, treating, gathering and storing the oil and gas.	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 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 Net Cash Flows (Deprecated 2014-01-31)	Amount of estimated net future cash inflows, after subtracting future development and production costs and future income tax expenses, from sale of proved oil and gas reserves.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	The future cost of producing oil and gas from proved reserves located in this geographic region.	View
us-gaap	Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	This amount is the future net cash flows less the computed discount.	View
us-gaap	Disposal Group, Including Discontinued Operation, Operating Income (Loss)	Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Disposal Group, Including Discontinued Operation, Revenue	Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.	View
us-gaap	Dividends, Common Stock, Cash	Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.	View
us-gaap	Dividends, Preferred Stock	Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).	View
us-gaap	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	Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	Amount of cost to be recognized for option under share-based payment arrangement.	View
us-gaap	Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries (Deprecated 2013-01-31)	Amount of long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets, located in foreign countries in total in which the entity holds assets.	View
us-gaap	Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile (Deprecated 2013-01-31)	Revenues from external customers attributed to the entity's country of domicile.	View
us-gaap	Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries (Deprecated 2013-01-31)	Revenues from external customers attributed to all foreign countries in total from which the entity derives revenues.	View
us-gaap	Escrow Deposit	The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.	View
us-gaap	Escrow Deposits Related to Property Sales	Escrow deposits related to property sales in noncash investing and financing activities.	View
us-gaap	Exchange Fees	The amount of expense in the period for fees charged by securities exchanges for the privilege of trading securities listed on that exchange. Some fees vary with the related volume, while others are fixed.	View
us-gaap	Exploration Costs, Cumulative	"The capitalized costs incurred (excluded from amortization), as of the date of the balance sheet, in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. Exploration costs also include costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, the maintenance of land and lease records, dry hole contributions and bottom hole contributions, costs of drilling and equipping exploratory wells and costs of drilling exploratory-type stratigraphic test wells."	View
us-gaap	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	Foreign Currency Transaction Gain (Loss), before Tax	Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.	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	Furniture and Fixtures, Gross	Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	Amount of estimated future accumulated cash outflow for costs to be incurred in developing proved oil and gas reserves.	View
us-gaap	Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	Amount of estimated future accumulated cash outflow for income tax, based on the future income less future expense derived from production and sale of proved oil and gas reserves.	View
us-gaap	Treasury Stock, Shares, Acquired	Number of shares that have been repurchased during the period and are being held in treasury.	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	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 Oil and Gas and Timber Property	Amount of gain (loss) on sale or disposal of oil and gas property or timber property.	View
us-gaap	Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31)	The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.	View
us-gaap	Gas and Oil Area, Developed, Net	Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells.	View
us-gaap	Gas and Oil Area, Undeveloped, Net	Fractional interest owned based on working interests or other economic arrangements of lease area on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves.	View
us-gaap	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	Impairment of Oil and Gas Properties	The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.	View
us-gaap	Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.	View
us-gaap	Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.	View
us-gaap	Income Tax Expense (Benefit)	Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.	View
us-gaap	Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)	The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.	View
us-gaap	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 Receivable	Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.	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	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	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.	View
us-gaap	Effective Income Tax Rate Reconciliation, 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, Foreign, 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 tax credit.	View
us-gaap	Increase (Decrease) in Accounts and Other Receivables	The increase (decrease) during the reporting period in the amount due from customers for the credit sale of goods and services; includes accounts receivable and other types of receivables.	View
us-gaap	Increase (Decrease) in Accounts Payable	The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.	View
us-gaap	Increase (Decrease) in Accounts Payable and Accrued Liabilities	The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.	View
us-gaap	Increase (Decrease) in Accounts Receivable	The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.	View
us-gaap	Increase (Decrease) in Accrued Liabilities	The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.	View
us-gaap	Increase (Decrease) in Asset Retirement Obligations	The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations.	View
us-gaap	Increase (Decrease) in Deferred Charges	The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.	View
us-gaap	Increase (Decrease) in Deferred Income Taxes	The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.	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 Income Taxes Payable, Net of Income Taxes Receivable	The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes.	View
us-gaap	Increase (Decrease) in Income Taxes Receivable	The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.	View
us-gaap	Increase (Decrease) in Insurance Settlements Receivable	The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date.	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	The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.	View
us-gaap	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	Insurance Settlements Receivable	Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.	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	Investment Income, Interest	Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.	View
us-gaap	Oil and Gas Property, Lease Operating Expense (Deprecated 2018-01-31)	Amount of lease operating expense related to property used in oil and gas production.	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid	Amount of lessee's undiscounted obligation for lease payment for operating lease.	View
us-gaap	Lessee, Operating Lease, Liability, to be Paid, 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 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	Line of Credit Facility, Commitment Fee Amount	Amount of the fee for available but unused credit capacity under the credit facility.	View
us-gaap	Line of Credit Facility, Commitment Fee Percentage	The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.	View
us-gaap	Litigation Settlement, Gross (Deprecated 2013-01-31)	This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.	View
us-gaap	Loss Contingency, Accrual, Current	Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.	View
us-gaap	Loss Contingency, Loss in Period	The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.	View
us-gaap	Loss Contingency, New Claims Filed, Number	The total number of new claims filed pertaining to a loss contingency during the period.	View
us-gaap	Machinery and Equipment, Gross	Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.	View
us-gaap	Marketable Securities, Current	Amount of investment in marketable security, classified as current.	View
us-gaap	Payments to Acquire Available-for-sale Securities, Equity	The cash outflow to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities.	View
us-gaap	Net Cash Provided by (Used in) Financing Activities, Continuing Operations	Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities	Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Investing Activities, Continuing Operations	Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities	Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Cash Provided by (Used in) Operating Activities, Continuing Operations	Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.	View
us-gaap	Net Income (Loss) Attributable to Parent	The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.	View
us-gaap	Net Income (Loss) Available to Common Stockholders, Basic	Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.	View
us-gaap	Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production.	View
us-gaap	Long-Lived Assets	Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.	View
us-gaap	Nonoperating Income (Expense)	The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).	View
us-gaap	Notes Payable, Current	Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.	View
us-gaap	Notes Payable, Related Parties, Current	The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).	View
us-gaap	Number of Countries in which Entity Operates	The number of countries in which the entity operates as of balance sheet date.	View
us-gaap	Oil and Gas Property, Full Cost Method, Gross	Oil and gas properties, gross, carried under the full cost method.	View
us-gaap	Oil and Gas Revenue (Deprecated 2018-01-31)	Aggregate revenue during the period related to oil and gas business activities.	View
us-gaap	Operating Expenses	Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.	View
us-gaap	Operating Income (Loss)	The net result for the period of deducting operating expenses from operating revenues.	View
us-gaap	Operating Lease, Expense	Amount of operating lease expense. Excludes sublease income.	View
us-gaap	Operating Lease, Liability	Present value of lessee's discounted obligation for lease payments from operating lease.	View
us-gaap	Operating Lease, Liability, Current	Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.	View
us-gaap	Operating Lease, 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 Leases, Future Minimum Payments, Due in Five Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Four Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Three Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Due in Two Years	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Future Minimum Payments, Remainder of Fiscal Year	Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.	View
us-gaap	Operating Leases, Income Statement, Lease Revenue	The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.	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	Amortization of Other Deferred Charges	Amount of amortization of other deferred costs recognized in the income statement.	View
us-gaap	Other Assets, Noncurrent	Amount of noncurrent assets classified as other.	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 Investments and Securities, at Cost	Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method.	View
us-gaap	Other Nonoperating Income	Amount of income related to nonoperating activities, 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 Receivables, Net, Current	Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.	View
us-gaap	Payments for Deposits	The amount of cash paid for deposits on goods and services during the period; excludes time deposits and deposits with other institutions, which pertain to financial service entities.	View
us-gaap	Payments for Other Deposits	Amount of cash outflow for deposits classified as other.	View
us-gaap	Payments for Repurchase of Common Stock	The cash outflow to reacquire common stock during the period.	View
us-gaap	Payments for Repurchase of Preferred Stock and Preference Stock	The cash outflow to reacquire preferred stock during the period.	View
us-gaap	Payments of Dividends	Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.	View
us-gaap	Payments of Ordinary Dividends, Common Stock	Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.	View
us-gaap	Payments of Stock Issuance Costs	The cash outflow for cost incurred directly with the issuance of an equity security.	View
us-gaap	Payments to Acquire Property, Plant, and Equipment	The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.	View
us-gaap	Payments to Explore and Develop Oil and Gas Properties	The cash outflow for exploration and development of oil and gas properties. It includes cash payments related to development of oil and gas wells drilled at previously untested geologic structures (to determine the presence of oil or gas) and wells drilled at sites where the presence of oil or gas has already been established (to extract the oil or gas).	View
us-gaap	Preferred Stock, Par or Stated Value Per Share	Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.	View
us-gaap	Preferred Stock, Shares Authorized	The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.	View
us-gaap	Preferred Stock, Shares Issued	Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.	View
us-gaap	Preferred Stock, Shares Outstanding	Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.	View
us-gaap	Preferred Stock, Shares Subscribed but Unissued, Subscriptions Receivable	Amount of subscription receivable from investors who have been allocated nonredeemable preferred stock or preferred stock redeemable solely at the option of the issuer.	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	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 Collection of Notes Receivable	The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.	View
us-gaap	Proceeds from Issuance of Long-term Debt and Capital Securities, Net	The cash inflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes proceeds from (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).	View
us-gaap	Proceeds from Issuance of Preferred Stock and Preference Stock	Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.	View
us-gaap	Proceeds from Issuance or Sale of Equity	The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.	View
us-gaap	Proceeds from Notes Payable	The cash inflow from a borrowing supported by a written promise to pay an obligation.	View
us-gaap	Proceeds from (Repayments of) Notes Payable	Amount of cash inflow (outflow) from long-term debt supported by a written promise to pay an obligation.	View
us-gaap	Proceeds from Sale of Available-for-sale Securities	The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.	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 Warrant Exercises	The cash inflow associated with the amount received from holders exercising their stock warrants.	View
us-gaap	Productive Oil Wells, Number of Wells, Net	The total number of producing oil wells and oil wells capable of production, in which the entity owns a fractional working interest.	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	Proved Undeveloped Reserve (BOE) (Deprecated 2013-01-31)	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 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 Undeveloped Reserves (Energy)	Energy measure of proved undeveloped reserves of 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.	View
us-gaap	Accounts Receivable, Credit Loss Expense (Reversal)	Amount of expense (reversal of expense) for expected credit loss on accounts receivable.	View
us-gaap	Repayments of Notes Payable	The cash outflow for a borrowing supported by a written promise to pay an obligation.	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	Restricted Cash and Cash Equivalents, Current	Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.	View
us-gaap	Results of Operations, Accretion of Asset Retirement Obligations	Accretion expense of asset retirement obligations related to oil and gas producing activities.	View
us-gaap	Retained Earnings (Accumulated Deficit)	The cumulative amount of the reporting entity's undistributed earnings or deficit.	View
us-gaap	Revenue from Contract with Customer, Excluding Assessed Tax	Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.	View
us-gaap	Revenue from Contract with Customer, Including Assessed Tax	Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.	View
us-gaap	Revenue, Remaining Performance Obligation, Amount	Amount of transaction price allocated to performance obligation that has not been recognized as revenue.	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	Sale of Stock, Consideration Received on Transaction	Cash received on stock transaction after deduction of issuance costs.	View
us-gaap	Sale of Stock, Number of Shares Issued in Transaction	The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.	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 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	Revenue, Net (Deprecated 2018-01-31)	Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.	View
us-gaap	Share-based Payment Arrangement, Noncash Expense	Amount of noncash expense for share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	The risk-free interest rate assumption that is used in valuing an option on its own shares.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations	Number of shares under non-option equity instrument agreements that were either cancelled or expired.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	Net number of non-option equity instruments granted to participants.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	Number of equity instruments other than options outstanding, including both vested and non-vested instruments.	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, 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, Forfeitures in Period	The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	Gross number of share options (or share units) granted during the period.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	Number of options outstanding, including both vested and non-vested options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (Deprecated 2013-01-31)	Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award	Number of shares purchased for issuance under share-based payment arrangement.	View
us-gaap	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, 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, Nonvested, Number of Shares	Number of non-vested options outstanding.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.	View
us-gaap	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares	Number of options vested.	View
us-gaap	Share Price	Price of a single share of a number of saleable stocks of a company.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	Amount of increase (decrease) in standardized measure of discounted future net cash flow relating to proved oil and gas reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	Amount of accretion of discount for the standardized measure of discounted future net cash flow related to proved oil and gas reserves.	View
us-gaap	Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves	Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves.	View
us-gaap	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	Stock Issued	The fair value of stock issued in noncash financing activities.	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, New Issues	Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.	View
us-gaap	Stock Issued During Period, Value, Other	Value of shares of stock issued attributable to transactions classified as other.	View
us-gaap	Stock Issued During Period, Value, Restricted Stock Award, Forfeitures	Value of stock related to Restricted Stock Awards forfeited during the period.	View
us-gaap	Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).	View
us-gaap	Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture	Value, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).	View
us-gaap	Stock Issued During Period, Value, Stock Dividend	Value of stock issued to shareholders as a dividend 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	Stock Repurchased During Period, Shares	Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.	View
us-gaap	Stock Repurchased During Period, Value	Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.	View
us-gaap	Treasury Stock, Shares	Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.	View
us-gaap	Treasury Stock, Value, Acquired, Cost Method	Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.	View
us-gaap	Unrealized Gain (Loss) on Securities	Amount of unrealized gain (loss) recognized in the income statement on unsold other securities.	View
us-gaap	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.	View
us-gaap	Weighted Average Number 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	Well Service Expense (Deprecated 2018-01-31)	Cost incurred related to well drilled or completed for the purpose of supporting production.	View
us-gaap	Accounts Payable	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.	View
us-gaap	Cash Equivalents, at Carrying Value	Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.	View
us-gaap	Payments to Acquire Royalty Interests in Mining Properties	The cash outflow from the purchase of royalty interests in mining properties is the amount of cash the mineral producer pays the owner of the mine or mineral resource.	View
us-gaap	Stock Issued During Period, Shares, Reverse Stock Splits	Reduction in the number of shares during the period as a result of a reverse stock split.	View
us-gaap	Common Stock, Capital Shares Reserved for Future Issuance	Aggregate number of common shares reserved for future issuance.	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	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	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	General Partners' Offering Costs	The cumulative amount of offering costs allocated to the general partner.	View
us-gaap	1734123	None	View
us-gaap	Interest Income, Other	Amount of interest income earned from interest bearing assets classified as other.	View
us-gaap	Payments for Rent	Cash payments to lessor's for use of assets under operating leases.	View
us-gaap	Proceeds from Issuance Initial Public Offering	The cash inflow associated with the amount received from entity's first offering of stock to the public.	View
us-gaap	Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.	View
us-gaap	Equity Method Investments	This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.	View
us-gaap	Increase (Decrease) in Accrued Interest Receivable, Net	The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.	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	Results of Operations, Depreciation, Depletion, Amortization and Accretion	Depreciation, depletion, amortization, and accretion related to oil and gas producing activities.	View
us-gaap	Proceeds from Equity Method Investment, Distribution	Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.	View
us-gaap	Finite-Lived Intangible Assets, Net	Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.	View

Chart of Accounts => Accounts

Name	View

Common Stock, Shares, Outstanding	View
Deferred Tax Assets, Valuation Allowance, Noncurrent	View
Deferred Tax Liabilities, Gross, Noncurrent	View
Deferred Tax Liabilities, Property, Plant and Equipment	View
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Entity's Country of Domicile (Deprecated 2013-01-31)	View
Income Tax Examination, Range of Possible Losses (Deprecated 2013-01-31)	View
Income Tax Expense (Benefit)	View
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	View
Line of Credit Facility, Commitment Fee Percentage	View
Estimated Litigation Liability, Current	View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	View
Other Investments and Securities, at Cost	View
Other Nonoperating Income	View
Proceeds from Issuance of Common Stock	View
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations	View
Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	View
Payments to Acquire Royalty Interests in Mining Properties	View
Equity Method Investment, Aggregate Cost	View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	View
Common Stock, Shares Authorized	View
Common Stock, Shares, Issued	View
Accounts Payable	View
Cash Equivalents, at Carrying Value	View
Commitments and Contingencies	View
Common Stock, Par or Stated Value Per Share	View
Accounts Payable, Current	View
Accounts Receivable, after Allowance for Credit Loss, Current	View
Accretion Expense	View
Accretion of Discount (Deprecated 2016-01-31)	View
Accrued Income Taxes, Current	View
Accrued Income Taxes, Noncurrent	View
Accrued Liabilities, Current	View
Accrued Professional Fees, Current	View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	View
Accumulated Other Comprehensive Income (Loss), Net of Tax	View
Acquisition Costs, Cumulative	View
Additional Paid in Capital	View
Additional Paid in Capital, Common Stock	View
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition	View
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	View
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs	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
Amortization of Debt Discount (Premium)	View
Amortization of Deferred Charges	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, Liabilities Incurred	View
Asset Retirement Obligation, Liabilities Settled	View
Asset Retirement Obligation, Period Increase (Decrease)	View
Asset Retirement Obligation, Revision of Estimate	View
Asset Retirement Obligations, Noncurrent	View
Assets	View
Assets, Current	View
Available-for-sale Securities, Current	View
Business Acquisition, Percentage of Voting Interests Acquired	View
Capitalized Costs, Accumulated Depreciation, Depletion, Amortization and Valuation Allowance Relating to Oil and Gas Producing Activities	View
Capitalized Costs of Unproved Properties Excluded from Amortization, Cumulative	View
Capitalized Costs, Oil and Gas Producing Activities, Net	View
Capitalized Costs, Support Equipment and Facilities	View
Capitalized Costs, Uncompleted Wells, Equipment and Facilities	View
Capitalized Costs, Wells and Related Equipment and Facilities	View
Cash	View
Cash and Cash Equivalents, Period Increase (Decrease)	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	View
Cash, FDIC Insured Amount	View
Cash, Uninsured Amount	View
Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)	View
Common Stock, Value, Issued	View
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Concentration Risk, Percentage	View
Costs Incurred, Acquisition of Oil and Gas Properties	View
Costs Incurred, Development Costs	View
Current Federal Tax Expense (Benefit)	View
Current Foreign Tax Expense (Benefit)	View
Current State and Local Tax Expense (Benefit)	View
Debt Instrument, Face Amount	View
Debt Instrument, Interest Rate, Stated Percentage	View
Debt Instrument, Unamortized Discount, Current	View
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction	View
Decrease Due to Sales of Minerals in Place	View
Deferred Federal Income Tax Expense (Benefit)	View
Deferred Income Tax Expense (Benefit)	View
Deferred Rent Credit, Noncurrent	View
Deferred State and Local Income Tax Expense (Benefit)	View
Deferred Tax Assets, Gross	View
Deferred Tax Assets, Gross, Noncurrent	View
Deferred Tax Assets, Net of Valuation Allowance	View
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	View
Deferred Tax Assets, Operating Loss Carryforwards	View
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	View
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	View
Deferred Tax Assets, Other	View
Deferred Tax Assets, Property, Plant and Equipment	View
Deferred Tax Assets, State Taxes	View
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	View
Deferred Tax Assets, Valuation Allowance	View
Depletion	View
Depletion of Oil and Gas Properties	View
Deposits	View
Depreciation, Depletion and Amortization	View
Development Costs, Period Cost	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 Income Tax Expense (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2013-01-31)	View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Standardized Measure (Deprecated 2014-01-31)	View
Disposal Group, Including Discontinued Operation, Operating Income (Loss)	View
Disposal Group, Including Discontinued Operation, Revenue	View
Dividends, Common Stock, Cash	View
Dividends, Preferred Stock	View
Earnings Per Share, Basic	View
Earnings Per Share, Basic and Diluted	View
Earnings Per Share, Diluted	View
Effective Income Tax Rate Reconciliation, Percent	View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	View
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	View
Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile (Deprecated 2013-01-31)	View
Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries (Deprecated 2013-01-31)	View
Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries (Deprecated 2013-01-31)	View
Escrow Deposit	View
Escrow Deposits Related to Property Sales	View
Exchange Fees	View
Exploration Costs, Period Cost	View
Exploration Costs, Cumulative	View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs	View
Foreign Currency Transaction Gain (Loss), before Tax	View
Foreign Income Tax Expense (Benefit), Continuing Operations	View
Furniture and Fixtures, Gross	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs	View
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows	View
Gain (Loss) on Disposition of Oil and Gas Property	View
Gain (Loss) on Disposition of Oil and Gas and Timber Property	View
Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31)	View
Gas and Oil Area, Developed, Net	View
Gas and Oil Area, Undeveloped, Net	View
General and Administrative Expense	View
Impairment of Oil and Gas Properties	View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	View
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	View
Income Tax Expense (Benefit), Continuing Operations (Deprecated 2013-01-31)	View
Income Taxes Paid	View
Income Taxes Receivable	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, Amount	View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	View
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	View
Increase (Decrease) in Accounts and Other Receivables	View
Increase (Decrease) in Accounts Payable	View
Increase (Decrease) in Accounts Payable and Accrued Liabilities	View
Increase (Decrease) in Accounts Receivable	View
Increase (Decrease) in Accrued Liabilities	View
Increase (Decrease) in Asset Retirement Obligations	View
Increase (Decrease) in Deferred Charges	View
Increase (Decrease) in Deferred Income Taxes	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 Income Taxes Payable, Net of Income Taxes Receivable	View
Increase (Decrease) in Income Taxes Receivable	View
Increase (Decrease) in Insurance Settlements Receivable	View
Increase (Decrease) in Other Operating Liabilities	View
Increase (Decrease) in Prepaid Expense	View
Increase (Decrease) in Restricted Cash	View
Insurance Settlements Receivable	View
Insurance Settlements Receivable, Current	View
Interest Expense	View
Interest Expense, Related Party	View
Interest Paid, Excluding Capitalized Interest, Operating Activities	View
Investment Income, Interest	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, Year One	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
Line of Credit Facility, Commitment Fee Amount	View
Litigation Settlement, Gross (Deprecated 2013-01-31)	View
Loss Contingency, Accrual, Current	View
Loss Contingency, Loss in Period	View
Loss Contingency, New Claims Filed, Number	View
Machinery and Equipment, Gross	View
Marketable Securities, Current	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) Available to Common Stockholders, Basic	View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs	View
Long-Lived Assets	View
Nonoperating Income (Expense)	View
Notes Payable, Current	View
Notes Payable, Related Parties, Current	View
Number of Countries in which Entity Operates	View
Number of Operating Segments	View
Oil and Gas Property, Full Cost Method, Gross	View
Oil and Gas Revenue (Deprecated 2018-01-31)	View
Operating Expenses	View
Operating Income (Loss)	View
Operating Lease, Expense	View
Operating Lease, Liability	View
Operating Lease, Liability, Current	View
Operating Lease, Liability, Noncurrent	View
Operating Lease, Payments	View
Operating Lease, Right-of-Use Asset	View
Operating Lease, Right-of-Use Asset, Amortization Expense	View
Operating Leases, Future Minimum Payments Due	View
Operating Leases, Future Minimum Payments Due, Next Twelve Months	View
Operating Leases, Future Minimum Payments, Due in Five Years	View
Operating Leases, Future Minimum Payments, Due in Four Years	View
Operating Leases, Future Minimum Payments, Due in Three Years	View
Operating Leases, Future Minimum Payments, Due in Two Years	View
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year	View
Operating Leases, Income Statement, Lease Revenue	View
Operating Leases, Rent Expense, Net	View
Operating Lease, Weighted Average Discount Rate, Percent	View
Amortization of Other Deferred Charges	View
Other Assets, Noncurrent	View
Other Comprehensive Income (Loss), Net of Tax	View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)	View
Other Nonoperating Income (Expense)	View
Other Receivables, Net, Current	View
Payments for Deposits	View
Payments for Other Deposits	View
Payments for Repurchase of Common Stock	View
Payments for Repurchase of Preferred Stock and Preference Stock	View
Payments of Dividends	View
Payments of Ordinary Dividends, Common Stock	View
Payments of Stock Issuance Costs	View
Payments to Acquire Available-for-sale Securities, Equity	View
Payments to Acquire Furniture and Fixtures	View
Payments to Acquire Investments	View
Payments to Acquire Marketable Securities	View
Payments to Acquire Notes Receivable	View
Payments to Acquire Property, Plant, and Equipment	View
Payments to Explore and Develop Oil and Gas Properties	View
Preferred Stock, Par or Stated Value Per Share	View
Preferred Stock, Shares Authorized	View
Preferred Stock, Shares Issued	View
Preferred Stock, Shares Outstanding	View
Preferred Stock, Shares Subscribed but Unissued, Subscriptions Receivable	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 Collection of Notes Receivable	View
Proceeds from Issuance of Long-term Debt and Capital Securities, Net	View
Proceeds from Issuance of Preferred Stock and Preference Stock	View
Proceeds from Issuance or Sale of Equity	View
Proceeds from Notes Payable	View
Proceeds from (Repayments of) Notes Payable	View
Proceeds from Sale of Available-for-sale Securities	View
Proceeds from Sale of Oil and Gas Property and Equipment	View
Proceeds from Warrant Exercises	View
Productive Oil Wells, Number of Wells, Net	View
Property, Plant and Equipment, Gross	View
Property, Plant and Equipment, Net	View
Proved Developed Reserves (Volume)	View
Proved Undeveloped Reserve (BOE) (Deprecated 2013-01-31)	View
Proved Undeveloped Reserves (Energy)	View
Accounts Receivable, Credit Loss Expense (Reversal)	View
Repayments of Notes Payable	View
Repayments of Related Party Debt	View
Restricted Cash and Cash Equivalents, Current	View
Results of Operations, Accretion of Asset Retirement Obligations	View
Retained Earnings (Accumulated Deficit)	View
Revenue from Contract with Customer, Excluding Assessed Tax	View
Revenue from Contract with Customer, Including Assessed Tax	View
Revenue, Remaining Performance Obligation, Amount	View
Revenues	View
Revisions of Previous Quantity Estimates	View
Sale of Stock, Consideration Received on Transaction	View
Sale of Stock, Number of Shares Issued in Transaction	View
Sale of Stock, Price Per Share	View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs	View
Revenue, Net (Deprecated 2018-01-31)	View
Settlement of Asset Retirement Obligations Through Noncash Payments, Amount	View
Share-based Payment Arrangement, Noncash Expense	View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate	View
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	View
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number	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, 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, Forfeitures in Period	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	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 in Period, Fair Value (Deprecated 2013-01-31)	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares	View
Share Price	View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)	View
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount	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
Stock Issued	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, New Issues	View
Stock Issued During Period, Value, Other	View
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures	View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	View
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture	View
Stock Issued During Period, Value, Stock Dividend	View
Stock Issued During Period, Value, Stock Options Exercised	View
Stock Repurchased During Period, Shares	View
Stock Repurchased During Period, Value	View
Treasury Stock, Shares	View
Treasury Stock, Shares, Acquired	View
Treasury Stock, Value	View
Treasury Stock, Value, Acquired, Cost Method	View
Unrealized Gain (Loss) on Securities	View
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	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
Well Service Expense (Deprecated 2018-01-31)	View
Stock Issued During Period, Shares, Reverse Stock Splits	View
Common Stock, Capital Shares Reserved for Future Issuance	View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	View
Cash and Cash Equivalents, at Carrying Value	View
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves	View
General Partners' Offering Costs	View
1719029	View
Interest Income, Other	View
Payments for Rent	View
Proceeds from Issuance Initial Public Offering	View
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions	View
Equity Method Investments	View
Increase (Decrease) in Accrued Interest Receivable, Net	View
Increase (Decrease) in Prepaid Expense and Other Assets	View
Results of Operations, Depreciation, Depletion, Amortization and Accretion	View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	View
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	View
Proceeds from Equity Method Investment, Distribution	View
Finite-Lived Intangible Assets, Net	View

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