Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Summary of the valuation of the Company's financial assets and liabilities that were accounted for at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Asset Retirement Obligation Disclosure [Abstract] Changes in the Company's asset retirement obligations Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Beginning asset retirement obligations Asset Retirement Obligation Liabilities incurred during period Asset Retirement Obligation, Liabilities Incurred Liabilities settled during period Asset Retirement Obligation, Liabilities Settled Revisions in estimated cash flows Asset Retirement Obligation, Revision of Estimate Asset Retirement Obligation, Divestitures Asset Retirement Obligation, Divestitures Asset Retirement Obligation, Divestitures Accretion expense Accretion Expense Ending asset retirement obligations Less: current asset retirement obligations Asset Retirement Obligation, Current Long-term asset retirement obligations Asset Retirement Obligations, Noncurrent Income Statement [Abstract] Statement [Table] Statement [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Oil and natural gas revenues Oil and Gas [Member] Third-party midstream services revenues Natural Gas, Midstream [Member] Sales of purchased natural gas Natural Gas, Sales [Member] Natural Gas, Sales [Member] Statement [Line Items] Statement [Line Items] Revenues Revenues [Abstract] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Lease bonus - mineral acreage Lease Bonus, Mineral Acreage Income Lease Bonus, Mineral Acreage Income Realized gain (loss) on derivatives Gain (Loss) on Sale of Derivatives Unrealized (loss) gain on derivatives Unrealized Gain (Loss) on Derivatives Total revenues Revenues Expenses Operating Expenses [Abstract] Production taxes, transportation and processing Production Taxes and Marketing Taxes assessed on oil and gas production, and compression, transportation and marketing expenses. Lease operating Operating Lease, Expense Cost of Goods and Services Sold Cost of Goods and Services Sold Purchased natural gas Oil And Gas, Purchases Of Natural Gas Oil And Gas, Purchases Of Natural Gas Depletion, depreciation and amortization Depreciation, Depletion and Amortization Accretion of asset retirement obligations Asset Retirement Obligation, Accretion Expense Full-cost ceiling impairment Impairment of Oil and Gas Properties General and administrative General and Administrative Expense Total expenses Costs and Expenses Operating income Operating Income (Loss) Other income (expense) Other Nonoperating Income (Expense) [Abstract] Net (loss) gain on asset sales and inventory impairment Gain (Loss) on Sale of Assets and Asset Impairment Charges Interest expense Interest Expense Prepayment premium on extinguishment of debt Gain (Loss) On Extinguishment Of Debt, Premium On Debt Redemption Gain (Loss) On Extinguishment Of Debt, Premium On Debt Redemption Other (expense) income Other Nonoperating Income (Expense) Total other expense Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision (benefit) Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Current Income Tax Expense (Benefit) Deferred Deferred Income Tax Expense (Benefit) Total income tax provision (benefit) Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Net income attributable to non-controlling interest in subsidiaries Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Matador Resources Company shareholders Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Earnings per common share attributable to Matador Resources Company shareholders Earnings Per Share [Abstract] Basic (usd per share) Earnings Per Share, Basic Diluted (usd per share) Earnings Per Share, Diluted Weighted average common shares outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Leases [Abstract] Weighted-Average Remaining Lease Term Lessee, Lease Term [Abstract] Lessee, Lease Term [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Financing leases Finance Lease, Weighted Average Remaining Lease Term Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Unsecured Debt Unsecured Debt [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Notes Due 2026 Senior Notes Due 2026 [Member] Senior Notes Due 2026 [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 2021 Debt Instrument, Redemption, Period Two [Member] 2022 Debt Instrument, Redemption, Period Three [Member] 2023 Debt Instrument, Redemption, Period Four [Member] 2024 and thereafter Debt Instrument, Redemption, Period Five [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Redemption Price Debt Instrument, Redemption Price, Percentage Income Tax Disclosure [Abstract] Summary of net deferred tax position Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Income tax expense reconciled to the tax computed at the statutory federal rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Supplemental Disclosures [Abstract] Supplemental disclosures. Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid for interest expense, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Increase in asset retirement obligations related to mineral properties Increase (Decrease) in Asset Retirement Obligations, Mineral Properties Increase (Decrease) in Asset Retirement Obligations, Mineral Properties Increase (decrease) in asset retirement obligations related to midstream properties Increase (Decrease) in Asset Retirement Obligations, Support Equipment and Facilities Increase (Decrease) in Asset Retirement Obligations, Support Equipment and Facilities (Decrease) increase in liabilities for oil and natural gas properties capital expenditures Increase (Decrease) in Liabilities for Oil and Natural Gas Properties, Capital Expenditures Increase (Decrease) in Liabilities for Oil and Natural Gas Properties, Capital Expenditures Increase (decrease) in liabilities for midstream properties capital expenditures Increase Decrease in Liabilities for Support Equipment and Facilities Increase decrease in liabilities for support equipment and facilities. Stock-based compensation expense (benefit) recognized as liability Stock-based Compensation Expense Recognized as Liability Stock based compensation expense recognized as liability. Decrease in liabilities for accrued cost to issue equity Increase (Decrease) in Liabilities for Accrued Cost to Issue Equity Increase (Decrease) in liabilities for accrued cost to issue equity. Increase in liabilities for accrued cost to issue senior notes Increase (Decrease) In Liabilities For Accrued Cost To Issue Senior Notes Increase (Decrease) In Liabilities For Accrued Cost To Issue Senior Notes Transfer of inventory from (to) oil and natural gas properties Transfer of Inventory from Oil and Natural Gas Properties Transfer of inventory from oil and natural gas properties. Transfer of inventory to midstream properties Transfer of inventory to other property and equipment Transfer of inventory to other property and equipment Property, Plant and Equipment [Abstract] Summary of the Company's property and equipment Property, Plant and Equipment [Table Text Block] Breakdown of the Company's unproved and unevaluated property costs not subject to amortization Schedule of Capitalized Costs of Unproved Properties Excluded from Amortization [Table Text Block] Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net income to net cash provided by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Unrealized loss (gain) on derivatives Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense Prepayment premium on extinguishment of debt Prepayment Premium On Extinguishment Of Debt Prepayment Premium On Extinguishment Of Debt Deferred income tax provision (benefit) Amortization of debt issuance cost Amortization of Debt Issuance Costs and Discounts Net loss (gain) on asset sales and inventory impairment Net (gain) loss on asset sales and inventory impairment Net (gain) loss on asset sales and inventory impairment Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Lease and well equipment inventory Lease and Well Equipment Inventories The increase (decrease) during the period in lease and well equipment inventory. Prepaid expenses Increase (Decrease) in Prepaid Expense Other assets Increase (Decrease) in Other Operating Assets Accounts payable, accrued liabilities and other current liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Royalties payable Increase (Decrease) in Royalties Payable Advances from joint interest owners Increase Decrease in Payments Made in Advance by Joint Interest Partners in Oil and Gas Properties The increase (decrease) in payments made in advance by joint interest partners in oil and gas properties. Other long-term liabilities Increase (Decrease) in Other Deferred Liability Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Oil and natural gas properties capital expenditures Payments to Explore and Develop Oil and Gas Properties Midstream capital expenditures Payments To Acquire Midstream Capital Expenditures Payments To Acquire Midstream Capital Expenditures Expenditures for other property and equipment Payments to Acquire Other Property, Plant, and Equipment Proceeds from sale of assets Proceeds from Sales of Assets, Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Repayments of borrowings Repayments of Long-term Debt Borrowings under Credit Agreement Proceeds from Lines of Credit Borrowings under San Mateo Credit Facility Proceeds from Issuance of Secured Debt Cost to enter into or amend credit facilities Payments of Financing Costs Proceeds from issuance of senior unsecured notes Swing Sale Profit Swing Sale Profit Cost to issue senior unsecured notes Payments of Debt Issuance Costs Purchase of senior unsecured notes Repayments of Unsecured Debt Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Cost to issue equity Payments of Stock Issuance Costs Proceeds from stock options exercised Proceeds from Stock Options Exercised Contributions related to formation of San Mateo I Capital Contributed to Corporate Joint Ventures Capital Contributed to Corporate Joint Ventures Contributions from non-controlling interest owners of less-than-wholly-owned subsidiaries Proceeds from Noncontrolling Interests Distributions to non-controlling interest owners of less-than-wholly-owned subsidiaries Payments of Capital Distribution Taxes paid related to net share settlement of stock-based compensation Payment, Tax Withholding, Share-based Payment Arrangement Purchase of non-controlling interest of less-than-wholly-owned subsidiary Proceeds from (Payments to) Noncontrolling Interests Cash paid under financing lease obligations Finance Lease, Principal Payments Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Decrease in cash and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash and restricted cash at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and restricted cash at end of year SUPPLEMENTAL DISCLOSURES Supplemental Disclosures [Text Block] Supplemental disclosures. Share-based Payment Arrangement [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2003 Stock and Incentive Plan Stock Based Compensation Two Thousand and Three Stock and Incentive Plan [Member] Stock Based Compensation Two Thousand and Three Stock and Incentive Plan [Member] 2012 Incentive Plan Stock Based Compensation Two Thousand Twelve Incentive Plan [Member] Stock Based Compensation Two Thousand Twelve Incentive Plan [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Weighted average assumptions used to estimate fair value of stock options granted under the Stock and Incentive Plan Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summarized information about stock options outstanding Share-based Payment Arrangement, Option, Activity [Table Text Block] Summarized information about outstanding and exercisable stock option Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Summary of the non-vested restricted stock and restricted stock units Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Project [Axis] Project [Axis] Project [Domain] Project [Domain] Projects Inception to Date Projects Inception to Date [Member] Projects Inception to Date [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] BLM Acquisition BLM Acquisition [Member] BLM Acquisition [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Acres of land, gross Area of Land Acres of land, net Area of Land, Net Acres Area of Land, Net Acres Consideration transferred Business Combination, Consideration Transferred Amortization costs Cost Incurred On Proved Reserves Transferred To Amortization Base Cost incurred on proved reserves transferred to amortization base. Exploration costs Exploration Costs, Cumulative Development wells Development Costs, Cumulative Anticipated amount for wells Capitalized Costs, Wells and Related Equipment and Facilities Current income tax (benefit) provision Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal income tax Current Federal Tax Expense (Benefit) State income tax Current State and Local Tax Expense (Benefit) Net current income tax benefit Deferred income tax provision (benefit) Deferred Income Taxes and Tax Credits [Abstract] Federal income tax Deferred Federal Income Tax Expense (Benefit) State income tax Deferred State and Local Income Tax Expense (Benefit) Net deferred income tax benefit Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal tax (benefit) expense at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount State income tax Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Permanent differences Income Tax Reconciliation Permanent Differences Income tax reconciliation permanent differences. AMT credit refundable Effective Income Tax Reconciliation, Refundable Credit Effective Income Tax Reconciliation, Refundable Credit Tax Cuts and Jobs Act rate change Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Change in federal valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Change in state valuation allowance Effective Income Tax Rate Reconciliation, Change in State Deferred Tax Assets Valuation Allowance, Amount Effective Income Tax Rate Reconciliation, Change in State Deferred Tax Assets Valuation Allowance, Amount INCOME TAXES Income Tax Disclosure [Text Block] Capitalized Costs of Unproved Properties Excluded from Amortization [Table] Capitalized Costs of Unproved Properties Excluded from Amortization [Table] 2018 Current Year [Member] Current Year [Member] 2017 Prior Year [Member] Prior Year [Member] 2016 Two Years Prior [Member] Two Years Prior [Member] 2015 and prior Three Years and Prior [Member] Three Years and Prior [Member] Total Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items] Capitalized Costs of Unproved Properties Excluded from Amortization [Line Items] Costs incurred for Capitalized Costs of Unproved Properties Excluded from Amortization, Cumulative [Abstract] Property acquisition Acquisition Costs, Cumulative Exploration wells Total unproved and unevaluated Capitalized Costs, Unproved Properties ASSET RETIREMENT OBLIGATIONS Asset Retirement Obligation Disclosure [Text Block] Stockholders' Equity Note [Abstract] EQUITY Stockholders' Equity Note Disclosure [Text Block] Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] 2020 Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lease liability Operating Lease, Liability Less current obligations Operating Lease, Liability, Current Long-term lease obligations Operating Lease, Liability, Noncurrent Financing Leases Finance Lease, Liability, Payment, Due [Abstract] 2020 Finance Lease, Liability, Payments, Due Next Twelve Months 2021 Finance Lease, Liability, Payments, Due Year Two 2022 Finance Lease, Liability, Payments, Due Year Three 2023 Finance Lease, Liability, Payments, Due Year Four 2024 Finance Lease, Liability, Payments, Due Year Five Thereafter Finance Lease, Liability, Payments, Due after Year Five Total lease payments Finance Lease, Liability, Payment, Due Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount Total lease obligations Finance Lease, Liability Less current obligations Finance Lease, Liability, Current Long-term lease obligations Finance Lease, Liability, Noncurrent Deferred tax assets Deferred Tax Assets, Net [Abstract] Net operating loss carryforwards Deferred Tax Assets Operating Loss Carryforwards Noncurrent Deferred tax assets operating loss carryforwards noncurrent. Percentage depletion carryover Deferred Tax Asset, Noncurrent Attributable to Percentage Depletion Carryover Deferred Tax Asset, Noncurrent Attributable to Percentage Depletion Carryover Compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Lease liabilities Deferred Tax Assets, Right-Of-Use Assets Deferred Tax Assets, Right-Of-Use Assets Other Deferred Tax Assets, Other Total deferred tax assets Deferred Tax Assets, Gross, Noncurrent Valuation allowance on deferred tax assets Deferred Tax Assets, Valuation Allowance, Noncurrent Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] Unrealized gain on derivatives Deferred Tax Liabilities Derivatives Non Current Deferred tax liabilities derivatives non current. Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Less than wholly-owned subsidiaries Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Lease right of use assets Deferred Tax Liabilities, Leasing Arrangements Other Deferred Tax Liabilities Other Noncurrent Deferred tax liabilities other noncurrent. Total deferred tax liabilities Deferred Tax Liabilities, Gross, Noncurrent Net deferred tax (liabilities) assets Deferred Tax Assets (Liabilities), Net of Valuation Allowance, Noncurrent Deferred Tax Assets (Liabilities), Net of Valuation Allowance, Noncurrent Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Midstream equipment and facilities Support Equipment and Facilities [Member] Furniture, fixtures and other equipment Furniture and Fixtures [Member] Software Computer Software, Intangible Asset [Member] Leasehold improvements Leaseholds and Leasehold Improvements [Member] Summary of the Company's property and equipment Movement in Property, Plant and Equipment [Roll Forward] Oil and natural gas properties Oil and Gas Property [Abstract] Evaluated (subject to amortization) Oil and Gas Property, Full Cost Method, Gross Total unproved and unevaluated Total oil and natural gas properties Oil And Gas Property Full Cost Method Including Unproved And Unevaluated Gross Oil and gas property full cost method including unproved and unevaluated gross. Accumulated depletion Oil and Gas Property, Full Cost Method, Depletion Net oil and natural gas properties Oil and Gas Property, Full Cost Method, Net Midstream Properties [Abstract] Midstream Properties [Abstract] Midstream Properties [Abstract] Midstream properties Natural Gas, Midstream Properties Natural Gas, Midstream Properties Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net midstream properties Midstream Properties, Net Of Accumulated Depreciation Midstream Properties, Net Of Accumulated Depreciation Other property and equipment Property, Plant and Equipment, Net, by Type [Abstract] Other property and equipment Property, Plant and Equipment, Other, Gross Accumulated depreciation Accumulated Depreciation And Amortization Of Other Property And Equipment Accumulated depreciation and amortization of other property and equipment. Net other property and equipment Property, Plant and Equipment, Net, Excluding Capital Leased Assets Net property and equipment Property, Plant and Equipment, Net Equity [Abstract] Condensed Income Statement [Table] Condensed Income Statement [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Matador Parent Company [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Reportable Legal Entities Reportable Legal Entities [Member] Eliminating Entries Consolidation, Eliminations [Member] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Total revenues Total expenses Net loss on asset sales and inventory impairment Interest expense Prepayment Premium On Extinguishment Of Debt Prepayment penalty on extinguishment of debt Other income (expense) Other Income Earnings in subsidiaries Income (Loss) from Subsidiaries, before Tax Total income tax provision Net income attributable to non-controlling interest in subsidiaries Income (Loss) Attributable to Noncontrolling Interest, before Tax Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Open Option Contracts Written Type [Axis] Open Option Contracts Written Type [Axis] Open Option Contracts Written Type [Domain] Open Option Contracts Written Type [Domain] Open Swap Contracts Open Swap Contracts [Member] Open Swap Contracts [Member] Petroleum Reserves [Axis] Petroleum Reserves [Axis] Type of Reserve [Domain] Type of Reserve [Domain] Oil, Calculation Period One [Member] Oil, Calculation Period One [Member] Oil, Calculation Period One [Member] Oil, Calculation Period Two Oil, Calculation Period Two [Member] Oil, Calculation Period Two [Member] Oil, Calculation Period Three [Member] Oil, Calculation Period Three [Member] Oil, Calculation Period Three [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Current assets Other Current Assets [Member] Other Assets Other Noncurrent Assets [Member] Long-term liabilities Other Noncurrent Liabilities [Member] Current liabilities Other Current Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Notional Quantity (Bbl) Derivative, Nonmonetary Notional Amount Fixed price (usd per Bbl) Derivative, Swap Type, Average Fixed Price Derivative Assets (Liabilities), at Fair Value, Net Derivative Assets (Liabilities), at Fair Value, Net Offsetting Derivative Assets [Abstract] Offsetting Derivative Assets [Abstract] Gross amounts of recognized liabilities Derivative Liability, Fair Value, Gross Liability Gross amounts netted in the consolidated balance sheet Derivative Liability, Fair Value, Gross Asset Derivative liability Derivative Liability Total Derivative, Fair Value, Net Derivative Asset (Liability) Subject to Master Netting Arrangement Derivative Asset (Liability) Subject to Master Netting Arrangement Derivative Asset (Liability) Subject to Master Netting Arrangement Derivative Asset (Liability), Net Derivative Asset (Liability), Net Derivative Asset (Liability), Net Offsetting Derivative Liabilities [Abstract] Offsetting Derivative Liabilities [Abstract] Gross amounts of recognized assets Derivative Asset, Fair Value, Gross Asset Gross amounts netted in the consolidated balance sheets Derivative Asset, Fair Value, Gross Liability Derivative Asset Derivative Asset Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Oil and Gas Delivery Commitments and Contracts [Axis] Oil and Gas Delivery Commitments and Contracts [Axis] Oil and Gas Delivery Commitments and Contracts, Oil Producing Property [Domain] Oil and Gas Delivery Commitments and Contracts, Oil Producing Property [Domain] Drilling Rig Leases Drilling Rig Leases [Member] Drilling Rig Leases [Member] Drilling Rig Leases And Other Equipment Rentals Drilling Rig Leases And Other Equipment Rentals [Member] Drilling Rig Leases And Other Equipment Rentals [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Lease operating Operating Lease Expense [Member] Operating Lease Expense [Member] Plant and other midstream services Oil and Gas Service [Member] General and administrative General and Administrative Expense [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating leases Operating Lease, Cost Short-term leases Short-term Lease, Cost Financing leases Lease, Cost [Abstract] Depreciation of assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liabilities Finance Lease, Interest Expense Total financing leases Finance Lease, Cost Finance Lease, Cost Total lease expense Lease, Cost Gross payments Other Payments For Leases Other Payments For Leases Operating Leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total lease payments Operating Leases, Future Minimum Payments, Present Value Of Net Minimum Payments Operating Leases, Future Minimum Payments, Present Value Of Net Minimum Payments Less imputed interest Operating Leases, Future Minimum Payments, Interest Included In Payments Operating Leases, Future Minimum Payments, Interest Included In Payments Total lease obligations Operating Leases, Future Minimum Payments Due Less current obligations Operating Lease Obligations, Current Operating Lease Obligations, Current Long-term lease obligations Operating Lease Obligations, Noncurrent Operating Lease Obligations, Noncurrent Financing Leases Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Capital Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 Capital Leases, Future Minimum Payments Due in Two Years 2021 Capital Leases, Future Minimum Payments Due in Three Years 2022 Capital Leases, Future Minimum Payments Due in Four Years 2023 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Less imputed interest Capital Leases, Future Minimum Payments, Interest Included in Payments Total lease obligations Capital Leases, Future Minimum Payments, Net Minimum Payments Less current obligations Capital Lease Obligations, Current Long-term lease obligations Capital Lease Obligations, Noncurrent Statement of Stockholders' Equity [Abstract] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] San Mateo I San Mateo I [Member] San Mateo I [Member] San Mateo II San Mateo II [Member] San Mateo II [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common stock Common Stock [Member] Additional paid-in capital Additional Paid-in Capital [Member] Accumulated deficit Retained Earnings [Member] Treasury stock Treasury Stock [Member] Parent Parent [Member] Noncontrolling Interest Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Beginning Balance, shares (in shares) Common Stock, Shares, Outstanding Issuance of Class A common stock, shares Stock Issued During Period, Shares, New Issues Issuance of Class A common stock Stock Issued During Period, Value, New Issues Issuance of common stock pursuant to employee stock compensation plan, shares Stock Issued During Period, Shares, Employee Benefit Plan Issuance of common stock pursuant to employee stock compensation plan Stock Issued During Period, Value, Employee Benefit Plan Issuance of Class A common stock to Board member and advisors, shares Stock Issued During Period Value Common Stock to Board Members and Advisors Shares Stock issued during period value common stock to board members and advisors. Issuance of Class A common stock to Board member and advisors Stock Issued During Period Value Common Stock to Board Members and Advisors Issuance of Class A common stock to Board members and advisors. Stock Issued During Period, Shares, Issued for Services Stock Issued During Period, Shares, Issued for Services Stock Issued During Period, Value, Issued for Services Stock Issued During Period, Value, Issued for Services Stock options expense related to equity based awards APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Stock options exercised, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock options exercised, net of options forfeited in net share settlements Stock Issued During Period, Value, Stock Options Exercised APIC, Share-based Payment Arrangement, Recognition and Exercise APIC, Share-based Payment Arrangement, Recognition and Exercise Liability-Based Stock Option Awards Settled, Shares Liability-Based Stock Option Awards Settled, Shares Liability-Based Stock Option Awards Settled, Shares Liability-Based Stock Option Awards Settled Liability-Based Stock Option Awards Settled Liability-Based Stock Option Awards Settled Cost to issue equity Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Restricted stock forfeited, shares Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Restricted stock forfeited Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Purchase of non-controlling interest of less-than-wholly-owned subsidiary Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Contributions related to formation of San Mateo I (see Note 6) Adjustments to Additional Paid in Capital, Formation of Joint Venture Adjustments to Additional Paid in Capital, Formation of Joint Venture Contributions from non-controlling interest owners of less-than-wholly-owned subsidiaries Noncontrolling Interest, Increase from Subsidiary Equity Issuance Distributions to non-controlling interest owners of less-than wholly-owned subsidiaries Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Cancellation of treasury stock, shares Treasury Stock, Shares, Retired Cancellation of treasury stock Treasury Stock, Retired, Cost Method, Amount Net (loss) income Ending Balance, shares (in shares) Ending Balance PROPERTY AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Lease, Cost Lease, Cost [Table Text Block] Assets And Liabilities, Lessee Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Lessee, Lease Terms Lessee, Lease Terms [Table Text Block] Lessee, Lease Terms [Table Text Block] Finance Lease, Liability, Maturity Finance Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Lease Payments for Capital Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Rustler Breaks Asset Area Rustler Breaks Asset Area [Member] Rustler Breaks Asset Area Long-term Purchase Commitment [Axis] Long-term Purchase Commitment [Axis] Long-term Purchase Commitment [Axis] Long-term Purchase Commitment [Domain] Long-term Purchase Commitment [Domain] [Domain] for Long-term Purchase Commitment [Axis] Natural Gas Transportation Agreement Natural Gas Transportation Agreement [Member] Natural Gas Transportation Agreement [Member] Natural Gas Transportation and Fractionation Agreement Natural Gas Transportation and Fractionation Agreement [Member] Natural Gas Transportation and Fractionation Agreement [Member] 2019 15-Year Fixed Fee Natural Gas Transportation Agreement 2019 15-Year Fixed Fee Natural Gas Transportation Agreement [Member] 2019 15-Year Fixed Fee Natural Gas Transportation Agreement [Member] Operational Agreements Operational Agreements [Member] Operational Agreements [Member] Engineering, Procurement, Construction And Installation Of Processing Plant Engineering, Procurement, Construction And Installation Of Processing Plant [Member] Engineering, Procurement, Construction And Installation Of Processing Plant [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Corporate Joint Venture Corporate Joint Venture [Member] Eddy County Eddy County [Member] Eddy County [Member] San Mateo Midstream San Mateo Midstream [Member] San Mateo Midstream [Member] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Delivery Of Natural Gas And Oil Production To Third Parties Delivery Of Natural Gas And Oil Production To Third Parties [Member] Delivery Of Natural Gas And Oil Production To Third Parties [Member] Drilling Rig Commitments Drilling Rig Commitments [Member] Drilling Rig Commitments [Member] Short-Term Drilling Rig Commitments Short-Term Drilling Rig Commitments [Member] Short-Term Drilling Rig Commitments [Member] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] Payment for other commitment Payment For Other Commitment Payment For Other Commitment Other commitment Other Commitment Supply agreement, term Supply Agreement, Term Supply Agreement, Term Related party transaction, contract agreement term Related Party Transaction, Contract Agreement Term Related Party Transaction, Contract Agreement Term Contractual obligation, term Contractual Obligation, Term Contractual Obligation, Term Contractual obligation Contractual Obligation Payment for purchase agreement Payment For Purchase Agreement Payment For Purchase Agreement Contractual obligation, due in next fiscal year Contractual Obligation, Due in Next Fiscal Year Maximum termination outstanding obligations of contracts Maximum Termination Outstanding Obligations of Contracts Maximum termination outstanding obligations of contracts. 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Restricted Stock Restricted Stock [Member] Summary of non-vested stock options Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Non-vested Shares, Beginning Balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Shares Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Shares Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Shares Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Non-vested Shares, Ending Balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted average fair value, Beginning Balance (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average fair value, Granted (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average fair value, Vested (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted average fair value, Forfeited (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average fair value, Ending Balance (usd per share) Schedule of changes in Company's asset retirement obligations Schedule of Change in Asset Retirement Obligation [Table Text Block] Capitalized stock-based compensation Share-based Payment Arrangement, Amount Capitalized Weighted average assumptions used to estimate fair value of stock options granted under the Stock and Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Stock option pricing model Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used Expected option life Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Estimated forfeiture rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Estimated Forfeiture Rate Share based compensation arrangement by share based payment award fair value assumptions estimated forfeiture rate. Weighted average fair value of stock option awards granted during the year Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Senior Notes [Member] Senior Notes [Member] Senior Notes Due 2023 Senior Notes Due 2023 [Member] Senior Notes Due 2023 [Member] 2026 Notes Offering 2026 Notes Offering [Member] 2026 Notes Offering [Member] Additional 2026 Notes Additional 2026 Notes [Member] Additional 2026 Notes [Member] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period Two Senior unsecured notes payable Debt Instrument, Face Amount Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Proceeds from issuance of debt Proceeds from Issuance or Sale of Equity Proceeds from issuance of unsecured debt Proceeds from Issuance of Unsecured Debt Loss on extinguishment of debt Repayments of debt Payments To Holders Of Debt Payments To Holders Of Debt Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Debt redemption price, percentage Threshold percentage of outstanding principal remaining Debt Instrument, Redemption Price, Threshold Percentage of Outstanding Principal Remaining Debt Instrument, Redemption Price, Threshold Percentage of Outstanding Principal Amount Remaining Redemption period Debt Instrument, Redemption Period Debt Instrument, Redemption Period Threshold percentage of principle Debt Instrument, Covenant, Threshold Percentage Of Principle Debt Instrument, Covenant, Threshold Percentage Of Principle Default period Debt Instrument, Covenant, Default Period, When Due Of Interest Debt Instrument, Covenant, Default Period, When Due Of Interest Period after notice to comply Debt Instrument, Covenant, Failure To Comply With Reporting Obligations, Period After Notice Debt Instrument, Covenant, Failure To Comply With Reporting Obligations, Period After Notice Period after notice to comply with other agreements Debt Instrument, Covenant, Failure To Comply With Other Agreements, Period After Notice Debt Instrument, Covenant, Failure To Comply With Other Agreements, Period After Notice Maximum aggregate payment defaults and accelerations Debt Instrument, Covenant, Maximum Aggregate Payment Defaults And Accelerations Debt Instrument, Covenant, Maximum Aggregate Payment Defaults And Accelerations Maximum outstanding judgments Debt Instrument, Covenant, Maximum Outstanding Judgements Debt Instrument, Covenant, Maximum Outstanding Judgements Maximum outstanding judgements, payment period Debt Instrument, Covenant, Maximum Outstanding Judgements, Payment Period Debt Instrument, Covenant, Maximum Outstanding Judgements, Payment Period Long-term line of credit Long-term Line of Credit Long-term debt Long-term Debt Borrowings under Credit Agreement Long-term Line of Credit, Noncurrent Summary of current accrued liabilities Schedule of Accrued Liabilities [Table Text Block] Supplemental disclosures of cash flow information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Debt Instrument Redemption Debt Instrument Redemption [Table Text Block] Derivative [Table] Derivative [Table] Open costless collar contracts Open Costless Collar Contracts [Member] Open costless collar contracts. Oil - WTI Oil - WTI [Member] Oil - WTI [Member] Derivative [Line Items] Derivative [Line Items] Derivative Asset (Liability), Net Summary of contracts for oil and natural gas Open Costless Collar Contracts for Oil and Natural Gas [Abstract] Open costless collar contracts for oil and natural gas. Weighted Average Price Floor (usd per Bbl) Derivative, Floor Price Weighted Average Price Ceiling (usd per Bbl) Derivative, Cap Price Fair Value of Asset (Liability) Derivative liability Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Oil Oil [Member] Natural Gas Natural Gas [Member] NGLs Natural Gas Liquids [Member] Revenues Revenues [Member] Revenues. Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations Derivative, Gain (Loss) on Derivative, Net [Abstract] Total Gain (Loss) on Derivative Instruments, Net, Pretax Segment Reporting [Abstract] Segment Reporting Segment Reporting Disclosure [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Pipe and other equipment Pipelines [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value of notes payable Notes Payable, Fair Value Disclosure Impairment charge for equipments held in inventory Inventory Write-down Accounting Policies [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Change in Accounting Principles New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable Accounts Receivable [Policy Text Block] Lease and Well Equipment Inventory Inventory, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Asset Retirement Obligations Asset Retirement Obligation [Policy Text Block] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Income Taxes Regulatory Income Taxes, Policy [Policy Text Block] Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Machinery and Equipment Machinery and Equipment [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Plains Marketing, L.P. Plains Marketing, L.P. [Member] Plains Marketing, L.P. [Member] BP America Production Company BP America Production Company [Member] BP America Production Company [Member] Occidental Energy Marketing, Inc. Occidental Energy Marketing, Inc. [Member] Occidental Energy Marketing, Inc. [Member] Western Refining Oil Western Refining Oil [Member] Western Refining Oil [Member] Shell Trading (US) Company Shell Trading (US) Company [Member] Shell Trading (US) Company [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Goods, Net Revenue from Contract with Customer Benchmark [Member] Accounts Receivable Accounts Receivable [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] RIght-of-use asset Operating Lease, Right-of-Use Asset Accounts receivable due period Accounts Receivable Due Period Accounts receivable due period. Billing date Billing date Billing date. Outstanding days of account receivable Past Due Days Of Account Receivable Considered Delinquent Past Due Days Of Account Receivable Considered Delinquent Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Number of purchasers Number of Purchasers Number of purchasers. Concentration risk, percentage Concentration Risk, Percentage Capitalized general and administrative costs Capitalized General And Administrative Costs Capitalized general and administrative costs. Capitalized interest expense Interest Costs Capitalized Depletion Depletion Present value discounted percent of future net revenues of proved oil and natural gas reserves Discounting Rate Present Value of Future Revenue from Proved Oil and Gas Reserves Discounting rate present value of future revenue from proved oil and gas reserves. Average oil and natural gas prices Oil and Gas, Average Sale Price Impairment charge of net capitalized costs Useful life using the straight-line Useful Life Using Straight Line Useful life using straight line. Useful life Property, Plant and Equipment, Useful Life Contract term after production Contract With Customer, Contract Term, After Production Contract With Customer, Contract Term, After Production Stock-based compensation (non-cash) expense Common stock and restricted stock unit expense Common Stock And Restricted Stock Expense Common stock and restricted stock expense. Compensation expense, liability-based awards Compensation Expense, Liability-Based Awards Compensation Expense, Liability-Based Awards Antidilutive options excluded from calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted Stock Liability Based Restricted Stock Liability Based [Member] Restricted Stock Liability Based [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Natural gas revenues Third-party midstream services revenues Sales of purchased natural gas Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Revenue from contract with customer Lease bonus - mineral acreage Realized gain on derivatives Unrealized gain on derivatives Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] State and Local Jurisdiction State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating loss carryforwards Operating Loss Carryforwards Provisional income tax Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Net current income tax (benefit) provision FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Retirement Benefits [Abstract] EMPLOYEE BENEFIT PLANS Compensation and Employee Benefit Plans [Text Block] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] The Bank Of Nova Scotia The Bank Of Nova Scotia [Member] The Bank Of Nova Scotia [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Effective Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Adjusted LIBO Rate Adjusted LIBO Rate [Member] Adjusted LIBO Rate [Member] Statutory Reserve Rate Statutory Reserve Rate [Member] Statutory Reserve Rate [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Libor Rate Libor Rate [Member] LIBOR rate. Base Rate Loan Base Rate Loan [Member] Base rate loan. Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Line of Credit Line of Credit [Member] Eurodollar Eurodollar [Member] Federal Funds Effective Rate Federal Funds Effective Rate [Member] Federal Funds Effective Rate [Member] Third Amended Credit Agreement Third Amended Credit Agreement [Member] Third amended credit agreement. San Mateo Credit Facility San Mateo Credit Facility [Member] San Mateo Credit Facility [Member] Secured debt, percentage of mortgages used as security Debt Instrument, Secured Debt, Percentage Of OIl And Gas Properties Debt Instrument, Secured Debt, Percentage Of OIl And Gas Properties Senior secured revolving credit maximum facility Line of Credit Facility, Maximum Borrowing Capacity Line Of Credit Facility, Maximum Borrowing Capacity, Increase In Borrowing Base Line Of Credit Facility, Maximum Borrowing Capacity, Increase In Borrowing Base Line of credit facility amended maximum borrowing capacity. Maximum borrowing capacity, amended Line Of Credit Facility Amended Maximum Borrowing Capacity Line of credit facility amended maximum borrowing capacity. Repay deficit in agreement, period Repay Deficit in Agreement Period Repay deficit in agreement period. Deferred loan costs Unamortized Deferred Finance Costs Unamortized deferred finance costs. Borrowings under Credit Agreement Outstanding letters of credit Letters of Credit Outstanding, Amount Additional interest rate Line of Credit Additional Interest Rate Line of credit additional interest rate. Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage EBITDA ratio, debt outstanding, cash and cash equivalents limit Line Of Credit Facility, Covenant, Cash And Cash Equivalent Limit Line Of Credit Facility, Covenant, Cash And Cash Equivalent Limit Debt to EBITDA ratio covenant Line of Credit Facility, Covenant, Debt to EBITDA Ratio Line of Credit Facility, Covenant, Debt to EBITDA Ratio Accordian feature, increase limit Line Of Credit Facility, Accordian Feature, Increase Limit Line Of Credit Facility, Accordian Feature, Increase Limit Deferred loan costs Debt Issuance Costs, Line of Credit Arrangements, Gross Interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF OPERATIONS Nature of Operations [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] 2019 Incentive Plan Stock Based Compensation Two Thousand Nineteen Incentive Plan [Member] Stock Based Compensation Two Thousand Nineteen Incentive Plan [Member] Performance-Based Stock Units Performance-Based Stock Units [Member] Performance-Based Stock Units [Member] Stock options Restricted Stock Service Based [Member] Class A Common Class A [Member] Maximum shares that may be issued pursuant to options or restricted stock grants (in shares) Stock Allocated During Period For Shares Stock Options Or Restricted Stock Grants Stock allocated during period for shares stock options or restricted stock grants. Maximum shares of common stock provided (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Vesting period of shares Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Maximum vesting period Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Maximum Share based compensation arrangement by share based payment award expiration period maximum. Maximum vesting period 2 Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Two Maximum Share based compensation arrangement by share based payment award expiration period two maximum. Maximum vesting period 3 Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Three Maximum Share Based Compensation Arrangement By Share Based Payment Award Expiration Period Three Maximum Fair value of stock option awards outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Weighted average contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Tax related benefits realized from the exercise of stock options Share-based Payment Arrangement, Exercise of Option, Tax Benefit Unrecognized compensation expense related to unvested stock options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Weighted average remaining requisite service period of unvested stock awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Fair value of option shares vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Unrecognized compensation expense related to unvested restricted stock and restricted stock units Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation expense related to unvested restricted stock expected to be settled in cash Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Expected To Be Settled In Cash Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Expected To Be Settled In Cash Fair value of restricted stock and restricted stock units vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Stock based long term liability Deferred Compensation Liability, Classified, Noncurrent Restricted stock or unit expenses Restricted Stock or Unit Expense Restricted stock grants (in shares) Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Restricted stock grants (in shares) Aggregate intrinsic value for the restricted stock and restricted stock units outstanding Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Aggregate Intrinsic Value Share based compensation arrangement by share based payment award equity instruments other than options outstanding aggregate intrinsic value. Aggregate intrinsic value expected to be settled in cash Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Aggregate Intrinsic Value Expected To Be Settled In Cash Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Aggregate Intrinsic Value Expected To Be Settled In Cash Tax benefits recognized for stock based compensation Share-based Payment Arrangement, Expense, Tax Benefit Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Expensed stock-based compensation Share-based Payment Arrangement, Expense Incremental borrowing rate, operating leases Operating Lease, Weighted Average Discount Rate, Percent Incremental borrowing rate, finance leases Finance Lease, Weighted Average Discount Rate, Percent Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Operating Segments Operating Segments [Member] Corporate Corporate, Non-Segment [Member] Consolidations and Eliminations Intersegment Eliminations [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Exploration and Production Exploration and Production Segment [Member] Exploration and Production Segment [Member] Midstream Midstream Segment [Member] Midstream Segment Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of business segments Number of Operating Segments Expenses Assets Assets Capital expenditures Payments to Acquire Productive Assets Income (loss) attributable to noncontrolling interest Land and seismic acquisition expenditures Payments To Acquire Productive Assets, Land And Seismic Acquisition Expenditures Payments To Acquire Productive Assets, Land And Seismic Acquisition Expenditures Payments to acquire productive assets Payments to Acquire Productive Assets, Noncontrolling Interest Payments to Acquire Productive Assets, Noncontrolling Interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Net Income (Loss) Attributable to Parent Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Intercompany receivable Receivables, Intercompany Receivables, Intercompany Current assets Other Assets, Current Net property and equipment Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Long-term assets Other Assets Total assets Intercompany payable Payables, Intercompany Payables, Intercompany Current liabilities Other Sundry Liabilities, Current Senior unsecured notes payable Unsecured Long-term Debt, Noncurrent Other long-term liabilities Other Sundry Liabilities, Noncurrent Total shareholders' equity Stockholders' Equity Attributable to Parent Non-controlling interest in subsidiaries Stockholders' Equity Attributable to Noncontrolling Interest Total liabilities and shareholders’ equity Liabilities and Equity Subsidiary ownership percentage Equity Method Investment, Ownership Percentage Net income attributable to Matador Resources Company shareholders — numerator Weighted average common shares outstanding — denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Dilutive effect of options and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average common shares outstanding (in shares) SUBSIDIARY GUARANTORS Subsidiary Guarantors [Text Block] Subsidiary Guarantors [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Property Contribution [Member] Property Contribution [Member] Property Contribution [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Rustler Breaks and Wolf Asset Area Rustler Breaks and Wolf Asset Area [Member] Rustler Breaks and Wolf Asset Area [Member] Wolf Asset Area Wolf Asset Area [Member] Loving County, Texas [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Five Point Five Point [Member] Five Point [Member] Matador Resources Company Matador Resources Company [Member] Matador Resources Company [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Number of wells contributed to joint venture Number of Wells Contributed to Joint Venture Number of Wells Contributed to Joint Venture Deferred performance incentives, term Equity Method Investment, Deferred Performance Incentives, Term Equity Method Investment, Deferred Performance Incentives, Term Contributions to joint venture, operating capital Equity Method Investment, Contributions to Joint Venture, Operating Capital Equity Method Investment, Contributions to Joint Venture, Operating Capital Commitment to pay, amount Due to Related Parties Capital expenditures incurred Capital Expenditures Incurred but Not yet Paid Related Party Transaction, Expenses from Transactions with Related Party Related Party Transaction, Expenses from Transactions with Related Party Additional paid-in capital Additional Paid in Capital Tax impact of equity contribution Equity Contribution, Tax Impact Equity Contribution, Tax Impact Proceeds from Divestiture of Businesses Proceeds from Divestiture of Businesses Payments to Acquire Interest in Joint Venture Payments to Acquire Interest in Joint Venture Proceeds from Divestiture of Interest in Joint Venture Proceeds from Divestiture of Interest in Joint Venture Contract agreement term Related Part Transaction, Contract Agreement Term Related Part Transaction, Contract Agreement Term Deferred performance incentives Equity Method Investment, Deferred Performance Incentives Equity Method Investment, Deferred Performance Incentives Operating leases Asset And Liabilities, Lessee, Operating Leases [Abstract] Asset And Liabilities, Lessee, Operating Leases [Abstract] Other current liabilities Other long-term liabilities Total operating lease liabilities Financing leases Assets And Liabilities, Lessee, Finance Leases [Abstract] Assets And Liabilities, Lessee, Finance Leases [Abstract] Other property and equipment, at cost Finance Lease, Right-Of-Use Asset, Gross Finance Lease, Right-Of-Use Asset, Gross Accumulated depreciation Finance Lease, Right-Of-Use Asset, Accumulated Depreciation Finance Lease, Right-Of-Use Asset, Accumulated Depreciation Net property and equipment Finance Lease, Right-of-Use Asset Other current liabilities Other long-term liabilities Total financing lease liabilities Statement of Financial Position [Abstract] Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Treasury stock (in shares) Treasury Stock, Shares Summary of contracts for oil and natural gas Open Option Contracts Written, Schedule of Investments [Table Text Block] Summary of offsetting assets Offsetting Assets [Table Text Block] Summary of offsetting liabilities Offsetting Liabilities [Table Text Block] Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations Derivative Instruments, Gain (Loss) [Table Text Block] DERIVATIVE FINANCIAL INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Reconciliations of basic and diluted distributed and undistributed earnings (loss) per common share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cash paid related to lease liabilities Lessee, Cash Flow [Abstract] Lessee, Cash Flow [Abstract] Operating cash payments for operating leases Operating Lease, Payments Investing cash payments for operating leases Operating Lease, Payments, Use Financing cash payments for financing leases Right of use assets obtained in exchange for lease obligations entered into during the period Right-Of-Use Asset Obtained [Abstract] Right-Of-Use Asset Obtained [Abstract] Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Financing leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability BUSINESS COMBINATIONS AND DIVESTITURES Mergers, Acquisitions and Dispositions Disclosures [Text Block] Total lease payments Leases Lessee, Operating Leases [Text Block] Leases Lessee, Finance Leases [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] STOCK-BASED COMPENSATION Share-based Payment Arrangement [Text Block] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member] Common Stock Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Offering costs Consideration received on sale of stock Sale of Stock, Consideration Received on Transaction Issuance cost of equity Preferred shares authorized (in shares) Preferred Stock, Shares Authorized Supplemental Disclosures [Table] Supplemental Disclosures [Table] Supplemental disclosures. Eligible Item or Group for Fair Value Option [Axis] Financial Instrument [Axis] Fair Value, Option, Eligible Item or Group [Domain] Financial Instruments [Domain] Accrued evaluated and unproved and unevaluated property costs Accrued Evaluated and Unproved and Unevaluated Property Costs [Member] Accrued evaluated and unproved and unevaluated property costs. Accrued midstream properties costs Accrued Support Equipment and Facilities Costs [Member] Accrued support equipment and facilities costs. Accrued lease operating expenses Accrued Lease Operating Expenses [Member] Accrued lease operating expenses. Accrued interest on debt Accrued Interest On Borrowings Under Credit Agreement [Member] Accrued interest on borrowings under credit agreement. Accrued asset retirement obligations Accrued Asset Retirement Obligations [Member] Accrued asset retirement obligations. Accrued partners’ share of joint interest charges Accrued Partners Share Of Joint Interest Charges [Member] Accrued Partners Share Of Joint Interest Charges [Member] Accrued payable related to purchased natural gas Accrued Payable Related To Purchased Natural Gas [Member] Accrued Payable Related To Purchased Natural Gas [Member] Supplemental Disclosures [Line Items] Supplemental Disclosures [Line Items] Supplemental disclosures. Summary of current accrued liabilities Accrued Liabilities, Current [Abstract] Total accrued liabilities Accrued Liabilities, Current Other Other Accrued Liabilities, Current Cash Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash Total cash and restricted cash COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Employee Benefit Plan (Textual) [Abstract] Employee Benefit Plan (Textual) [Abstract] Employee Benefit Plan (Textual) [Abstract] Employees annual compensation Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Safe Harbor match Defined Contribution Plan Employer Matching Contribution Amount Defined contribution plan employer matching contribution amount Discretionary matching contributions Defined Contribution Plan, Employer Discretionary Contribution Amount No additional discretionary contributions Defined Contribution Plan Employer Additional Discretionary Contribution Amount Defined contribution plan employer additional discretionary contribution amount. ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Oil and natural gas revenues Accounts Receivable, after Allowance for Credit Loss, Current Joint interest billings Oil and Gas Joint Interest Billing Receivables, Current Other Other Receivables, Net, Current Derivative instruments Derivative Asset, Current Lease and well equipment inventory Other Inventory, Net of Reserves Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, at cost Property, Plant and Equipment, Net [Abstract] Oil and natural gas properties, full-cost method Oil and Gas Property, Full Cost Method, Net [Abstract] Evaluated Unproved and unevaluated Midstream properties Less accumulated depletion, depreciation and amortization Other assets Other Assets, Noncurrent [Abstract] Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other long-term assets Other Assets, Noncurrent Total other assets LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued liabilities Royalties payable Accrued Royalties, Current Amounts due to affiliates Due to Affiliate, Current Derivative instruments Derivative Liability, Current Advances from joint interest owners Advances From Joint Interest Owners For Costs Incurred On Joint Interest Wells Amounts received from joint interest owners in advance of costs being incurred on wells in which they have a joint interest. Amounts due to joint ventures Due to Joint Ventures, Current Due to Joint Ventures, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term liabilities Liabilities, Noncurrent [Abstract] Borrowings under San Mateo Credit Facility Asset retirement obligations Derivative instruments Derivative Liability, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total long-term liabilities Liabilities, Noncurrent Commitments and contingencies (Note 14) Commitments and Contingencies Shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Common stock — $0.01 par value, 160,000,000 shares authorized; 116,644,246 and 116,374,503 shares issued; and 116,642,899 and 116,353,590 shares outstanding, respectively Common Stock, Value, Issued Accumulated deficit Retained Earnings (Accumulated Deficit) Treasury stock, at cost, 1,347 and 20,913 shares, respectively Treasury Stock, Value Total shareholders’ equity Share-based Payment Arrangement, Option, Exercise Price Range [Table] Share-based Payment Arrangement, Option, Exercise Price Range [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Exercise Price Range [Domain] Exercise Price Range [Domain] $9.00 Range One [Member] Range one. $13.22 - $15.40 Range Two [Member] Range two. $20.01 - $22.70 Range Three [Member] Range Three [Member] $25.31 - $29.68 Range Four [Member] Range Four [Member] Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Summarized information about outstanding and exercisable stock option Share-based Payment Arrangement, Option, Exercise Price Range, End of Period [Abstract] Range of exercise prices, Lower limit Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Range of exercise prices, Upper limit Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Shares outstanding (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Weighted average remaining contractual price Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Weighted average exercise price (usd per share) Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Shares exercisable Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Weighted average exercise price (usd per share) Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Net cash (used in) provided by operating activities Net cash used in investing activities Net cash provided by financing activities Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair value on a recurring basis Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Summary of the valuation of the Company's financial assets and liabilities that were accounted for at fair value on a recurring basis Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract] Assets (Liabilities) Asset (Liabilities) [Abstract] Asset liability. Oil derivatives and basis swaps Natural gas derivatives Document and Entity Information [Abstract] Document and entity information. Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, Address Line Two Entity Address, Address Line Two Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Number of options (in thousands) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options outstanding at beginning of period (in shares) Options exercised (in shares) Options forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Options expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Options outstanding at end of period (in shares) Weighted average exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted average exercise price, Options outstanding Beginning Balance (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price, Options granted (usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price, Options exercised (usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, Options forfeited (usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Weighted average exercise price, Options expired (usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted average exercise price, Options outstanding Ending Balance (usd per share)