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] Statistical Measurement [Domain] Statistical Measurement [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Receivables from contracts with customers Contract with Customer, Asset, after Allowance for Credit Loss, Current Cover [Abstract] Cover [Abstract] NET CHANGE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Directors Director [Member] Other current liabilities (Note 6) Total other current liabilities Other Liabilities, Current Exploration expenses Exploration Expense Trading Symbol Trading Symbol All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Non-NEOs Non-NEOs [Member] Schedule of Components of Basic and Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Income tax benefit recognized Share-Based Payment Arrangement, Expense, Tax Benefit Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Common stock, dividends, declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash paid for income taxes Income Taxes Paid, Net Class A Common Stock Class A Common Stock Common Class A [Member] Distributions to noncontrolling interest owners Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Pay vs Performance Disclosure [Line Items] Line of Credit Facility [Table] Line of Credit Facility [Table] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Accounts receivable Increase (Decrease) in Accounts Receivable PRSUs settled in cash Share-Based Payment Arrangement, Cash Used to Settle Award OPERATING EXPENSES Operating Costs and Expenses [Abstract] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Award Timing Disclosures [Line Items] Other assets and liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Performance Measure, Amount Other Performance Measure, Amount Common stock, shares outstanding (in shares) Common Stock, Shares, 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[Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Changes in ownership interest adjustment Increase (Decrease) In Ownership Interest Adjustment Increase (Decrease) In Ownership Interest Adjustment WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number of Shares Outstanding, Basic and Diluted [Abstract] Shares excluded due to antidilutive effect (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Gain) loss on revaluation of contingent consideration Asset Acquisition, Contingent Consideration Arrangements, Change In Amount Of Contingent Consideration, Liability Asset Acquisition, Contingent Consideration Arrangements, Change In Amount Of Contingent Consideration, Liability Lease operating expenses Operating Lease, Expense Oil and natural gas properties Oil and Gas, Successful Efforts Method, Property and Equipment, before Accumulated Depreciation, Depletion, Amortization, and Impairment Asset Acquisition [Axis] Asset Acquisition [Axis] Contingent consideration (see Note 8) Asset Acquisition, Consideration Transferred, Contingent Consideration Credit Facility [Domain] Credit Facility [Domain] Cash and cash equivalents – Beginning of period Cash and cash equivalents – End of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Taxes other than income Taxes, Miscellaneous CURRENT ASSETS Assets, Current [Abstract] 6.0% Senior Notes Due 2026 and 6.875% Senior Notes Due 2032 6.0% Senior Notes Due 2026 and 6.875% Senior Notes Due 2032 [Member] 6.0% Senior Notes Due 2026 and 6.87% Senior Notes Due 2032 Tax impact of equity transactions Income Tax Effects Allocated Directly to Equity, Equity Transactions Natural gas revenues Natural Gas [Member] Treasury stock (in shares) Treasury stock, balance at beginning of period (in shares) Treasury stock, balance at end of period (in shares) Treasury Stock, Common, Shares Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Entity Information [Line Items] Entity Information [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Vested (in dollars 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 Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Other financing activities Proceeds from (Payments for) Other Financing Activities Antidilutive 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credit facility Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Less: Dividends and net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Supplemental non-cash lease operating activity: Cash Flow, Noncash Lease Operating Activities Disclosure [Abstract] Cash Flow, Noncash Lease Operating Activities Disclosure [Abstract] Current operating lease liabilities Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Common stock, shares issued (in shares) Common stock, balance at beginning of period (in shares) Common stock, balance at end of period (in shares) Common Stock, Shares, Issued Entity [Domain] Entity [Domain] Less: Dividends and net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum commitments, aggregate principal amount Line of Credit Facility, Maximum Borrowing Capacity Percentage of PSUs modified Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Equity Instruments Other Than Options Modified, Settled In Cash Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Of Equity Instruments Other Than Options Modified, Settled In Cash Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock Based Compensation Compensation Related Costs, Policy [Policy Text Block] Natural gas liquids revenues Natural Gas Liquids (NGL) [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Acquisitions Payments to Acquire Businesses, Net of Cash Acquired Organization and Nature of Operations and Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Diluted (in shares) Weighted average number of common shares outstanding during the period - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Deferred tax assets Deferred Tax Assets, Gross Schedule of Supplemental Cash Flow Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Interest expense Interest Expense, Nonoperating Deferred income tax expense Total deferred Deferred Income Tax Expense (Benefit) Additions to oil and natural gas properties Payments to Acquire Oil and Gas Property and Equipment Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Distributions by Magnolia LLC Dividends And Distributions Declared Dividends And Distributions Declared Shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Long-term debt, net Long-term debt, net Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Schedule of Non Recurring Fair Value Measurements Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Document Type Document Type Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] OTHER EXPENSE Other Income and Expenses [Abstract] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Adjustment to deferred taxes Adjustment To Additional Paid in Capital, Deferred Taxes Adjustment To Additional Paid in Capital, Deferred Taxes Total Stockholders’ Equity Parent [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Bolt-On Property Acquisitions Of Oil And Natural Gas Assets Bolt-On Property Acquisitions Of Oil And Natural Gas Assets [Member] Bolt-On Property Acquisitions Of Oil And Natural Gas Assets Subsequent Event [Table] Subsequent Event [Table] Maximum Maximum [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Accounts payable Accounts Payable, Current Accounting Policies [Abstract] Accounting Policies [Abstract] REVENUES Revenues [Abstract] Total property, plant and equipment, net Oil and Gas, Successful Efforts Method, Property and Equipment, after Accumulated Depreciation, Depletion, Amortization, and Impairment Current Fiscal Year End Date Current Fiscal Year End Date Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Distributions to noncontrolling interest owners Payments to Noncontrolling Interests INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Drilling advances Drilling Advances Drilling Advances Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Award Type [Domain] Award Type [Domain] Name Outstanding Recovery, Individual Name Common stock issued related to stock based compensation and other, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Deferred tax assets Deferred Income Tax Assets, Net Non-PEO NEO Non-PEO NEO [Member] Title and Position [Axis] Title and Position [Axis] Liability-classified stock based compensation (see Note 11) Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent Additional Paid In Capital Additional Paid-in Capital [Member] Award Timing Predetermined Award Timing Predetermined [Flag] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Dividends paid Payments of Ordinary Dividends, Common Stock Percentage of reclassification of share-based payment awards from equity to liability Percentage Of Impacted Awards Reclassified From Equity To Liability Percentage Of Impacted Awards Reclassified From Equity To Liability Class of Stock [Line Items] Class of Stock [Line Items] Redemption price (as a percent) Debt Instrument, Redemption Price, Percentage Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Long-term Debt Long-Term Debt [Text Block] Drilling advances Increase (Decrease) In Drilling Advances Increase (Decrease) In Drilling Advances Diluted (in dollars per share) Net income per share of Class A Common Stock - diluted (in dollars per share) Earnings Per Share, Diluted Class of Stock [Axis] Class of Stock [Axis] Title and Position [Domain] Title and Position [Domain] Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Total current Current Income Tax Expense (Benefit) Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Ownership [Axis] Ownership [Axis] Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Repurchase authorization (in shares) Share Repurchase Program, Remaining Authorized, Number of Shares Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Stock based compensation Share-Based Payment Arrangement, Noncash Expense Performance Restricted Stock Units PRSUs Performance Restricted Stock Units (PRSUs) [Member] Performance Restricted Stock Units (PRSUs) NET INCOME Net income NET INCOME Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Income tax expense Income tax expense Income Tax Expense (Benefit) Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Supplemental cash items: Supplemental Cash Flow Information [Abstract] Equity-Classified Performance Shares Equity-Classified Performance Shares [Member] Equity-Classified Performance Shares Net income, net of participating securities Net Income (Loss) Available to Common Stockholders, Diluted Weighted average period over which unrecognized compensation expense is expected to be recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Total other expense, net Nonoperating Income (Expense) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities OPERATING INCOME Operating Income (Loss) Business Acquisition [Line Items] Business Acquisition [Line Items] Number of reportable segments Number of Reportable Segments TOTAL LIABILITIES AND EQUITY Liabilities and Equity Subsequent Events Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Leverage ratio (less than) Debt Instrument, Covenant, Leverage Ratio Debt Instrument, Covenant, Leverage Ratio Additional paid-in capital Additional Paid in Capital Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Legal Entity [Axis] Legal Entity [Axis] Interest expense, net Interest Income (Expense), Nonoperating Reclassification of share-based payment awards from equity to liability Adjustments To Additional Paid In Capital, Reclassification Of Awards From Equity To Liability Adjustments To Additional Paid In Capital, Reclassification Of Awards From Equity To Liability Right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Individual: Individual [Axis] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Product and Service [Axis] Product and Service [Axis] Entity Address, State or Province Entity Address, State or Province Statement [Line Items] Statement [Line Items] Changes in working capital associated with additions to oil and natural gas properties Payments To Acquire Oil And Gas Property And Equipment, Changes In Working Capital Payments To Acquire Oil And Gas Property And Equipment, Changes In Working Capital Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Unvested, beginning of period (in dollars per share) Unvested, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Oil revenues Oil and Condensate [Member] OTHER ASSETS Other Assets, Noncurrent [Abstract] Distributions to Magnolia LLC Unit Holders Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Contingent consideration (see Note 8) Asset Acquisition, Contingent Consideration, Liability Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Asset Acquisition, Contingent Consideration [Line Items] Asset Acquisition, Contingent Consideration [Line Items] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Magnolia LLC Magnolia LLC [Member] Magnolia LLC [Member] Total long-term debt Outstanding borrowings Long-Term Debt, Gross Exercise Price Award Exercise Price Asset Acquisition [Table] Asset Acquisition [Table] Earnings Per Share Earnings Per Share [Text Block] Arrangement Duration Trading Arrangement Duration Accumulated depreciation, depletion and amortization Oil and Gas, Successful Efforts Method, Property and Equipment, Accumulated Depreciation, Depletion, and Amortization Subsequent Event Subsequent Event [Member] Granted (in dollars 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 Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Modified (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Modified in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Modified in Period, Weighted Average Grant Date Fair Value All Individuals All Individuals [Member] PEO PEO [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] Name Trading Arrangement, Individual Name Other income (expense), net Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Senior Notes due 2032 6.875% Senior Notes Due 2032 [Member] 6.875% Senior Notes Due 2032 Plan modification, additional compensation expense Share-Based Payment Arrangement, Plan Modification, Additional Compensation Expense Share-Based Payment Arrangement, Plan Modification, Additional Compensation Expense Transaction fees related to the modification Debt Issuance Costs, Line of Credit Arrangements, Gross Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Treasury Stock, at cost, 40,958 shares and 38,808 shares in 2025 and 2024, respectively Treasury Stock, Common, Value Total operating expenses Operating Costs and Expenses Dividend/ Distribution Amount per share (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Paid, Per Unit PRSUs settled (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Settled In Cash Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Settled In Cash Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Initial borrowing base Line Of Credit Facility, Initial Borrowing Base Line Of Credit Facility, Initial Borrowing Base Total long-term liabilities Liabilities, Noncurrent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Number of shares authorized to be repurchased (in shares) Share Repurchase Program, Authorized, Number of Shares Valuation allowance Deferred Tax Assets, Valuation Allowance Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Deferred financing costs, net Debt Issuance Costs, Line of Credit Arrangements, Net Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] LONG-TERM LIABILITIES Liabilities, Noncurrent [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Federal Deferred Federal Income Tax Expense (Benefit) Share Repurchase Program [Domain] Share Repurchase Program [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Settlement date, period following performance period Share-based Compensation Arrangement by Share-based Payment Award, Settlement Date, Period Following Performance Period Share-based Compensation Arrangement by Share-based Payment Award, Settlement Date, Period Following Performance Period Common Stock Common Stock [Member] Measure: Measure [Axis] Common stock issued related to stock based compensation and other, net Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Line of Credit Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Other Other Sundry Liabilities, Current Entity Central Index Key Entity Central Index Key Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Settlement date, period following performance period Share-Based Compensation Arrangement By Share-Based Payment Award, Settlement Date, Period Following Performance Period Share-Based Compensation Arrangement By Share-Based Payment Award, Settlement Date, Period Following Performance Period Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Expected volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Stockholders' Equity Equity [Text Block] Modified (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Modified in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Modified in Period Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Contingent right to receive common stock, number of shares receivable for each PSU (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Issuable Upon Vesting Of Each Award Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Issuable Upon Vesting Of Each Award Stock based compensation expense, net of forfeitures APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Dividends Declared Dividends Declared [Table Text Block] Class B Common Stock Common Class B [Member] Common Class B [Member] Title Trading Arrangement, Individual Title Consolidated Entities [Axis] Consolidated Entities [Axis] Number of tranches payable Number Of Tranches Payable Number Of Tranches Payable Statement [Table] Statement [Table] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] City Area Code City Area Code CURRENT LIABILITIES Liabilities, Current [Abstract] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Total current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Senior Notes Senior Notes [Member] Accrued liabilities Increase (Decrease) in Accrued Liabilities Class A Common Stock repurchases Payments for Repurchase of Common Stock Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Long-term debt, net Long-Term Debt, Excluding Current Maturities Schedule of Assumptions Used to Calculate Grant Date Fair Value of PSUs Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Plan modification, number of grantees affected Share-Based Payment Arrangement, Plan Modification, Number of Grantees Affected Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income Taxes Income Tax Disclosure [Text Block] NET INCOME PER SHARE OF CLASS A COMMON STOCK Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Asset Acquisition, Contingent Consideration [Table] Asset Acquisition, Contingent Consideration [Table] Schedule of Unvested RSU, PSU, and PRSU Activity Schedule of Nonvested Share Activity [Table Text Block] Class of Stock [Domain] Class of Stock [Domain] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] General and administrative expenses General and Administrative Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount PSU Performance Stock Units Performance Shares [Member] Credit Facility [Axis] Credit Facility [Axis] Amendment Flag Amendment Flag Long-term debt (see Note 7) Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Additional contingent cash consideration (up to) Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation, depletion and amortization Depreciation, depletion and amortization Depreciation, Depletion and Amortization State Deferred State and Local Income Tax Expense (Benefit) Fair Value as of Grant Date Award Grant Date Fair Value Subsequent Events [Abstract] Subsequent Events [Abstract] Supplemental Cash Flow Cash Flow, Supplemental Disclosures [Text Block] Less: Unamortized deferred financing cost Debt Issuance Costs, Net Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Current ratio (greater than) Debt Instrument, Covenant, Current Ratio Debt Instrument, Covenant, Current Ratio EQUITY Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate principal amount Debt Instrument, Face Amount Deposits for acquisitions of oil and natural gas properties Deposits for acquisitions of oil and natural gas properties Deposits For Acquisitions Of Oil And Natural Gas Properties Deposits For Acquisitions Of Oil And Natural Gas Properties Entity Address, Postal Zip Code Entity Address, Postal Zip Code Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Common stock Common Stock, Value, Issued Magnolia Operating Magnolia Operating [Member] Magnolia Operating [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total other assets Assets, Noncurrent, Excluding Oil and Gas Property, Successful Effort Method, Net Assets, Noncurrent, Excluding Oil and Gas Property, Successful Effort Method, Net Other investing Payments for (Proceeds from) Other Investing Activities Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] CASH FLOW FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Basic (in dollars per share) Net income per share of Class A Common Stock - basic (in dollars per share) Earnings Per Share, Basic Accounts payable Increase (Decrease) in Accounts Payable Liability-Classified Performance Shares Liability-Classified Performance Shares [Member] Liability-Classified Performance Shares Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Performance period Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Ownership [Domain] Ownership [Domain] Accrued capital expenditures Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Net income, net of participating securities Net Income (Loss) Available to Common Stockholders, Basic Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] TOTAL ASSETS Assets Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Aggregate fair value of equity instruments vested during the period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested In Period, Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested In Period, Fair Value Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Amortization period Debt Issuance Costs, Amortization Period Debt Issuance Costs, Amortization Period COMMITMENTS AND CONTINGENCIES (Note 8) Commitments and Contingencies Risk-free interest rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Magnolia LLC Units Magnolia LLC Units [Member] Magnolia LLC Units [Member] Acquisitions Asset Acquisition [Text Block] Termination Date Trading Arrangement Termination Date Expected volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Total revenues Revenues Gathering, transportation and processing Gas Gathering, Transportation, Marketing And Processing Costs1 Gas Gathering, Transportation, Marketing and Processing Costs Stock Based Compensation Share-Based Payment Arrangement [Text Block] Consideration transferred for asset Asset Acquisition, Consideration Transferred Entity Address, City or Town Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Stock based compensation expense Share-Based Payment Arrangement, Expense NET INCOME ATTRIBUTABLE TO CLASS A COMMON STOCK Net income attributable to Class A Common Stock Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Number of consecutive trading days required to earn PRSUs Share-Based Compensation Arrangement By Share-Based Payment Award, Milestone, Number Of Consecutive Trading Days Share-Based Compensation Arrangement By Share-Based Payment Award, Milestone, Number Of Consecutive Trading Days Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Other Oil and Gas, Successful Efforts Method, Property and Equipment, Other Borrowing capacity Line of Credit Facility, Current Borrowing Capacity Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment, Net [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Entity File Number Entity File Number Consolidated Entities [Domain] Consolidated Entities [Domain] Revenue Recognition Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Noncontrolling Interest Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Federal Current Federal Tax Expense (Benefit) Class A Common Stock repurchases Total cost of shares repurchased Treasury Stock, Value, Acquired, Cost Method Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Dividends declared Dividends Declared by the Company Dividends, Common Stock Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Percentage of interest owned Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Other Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Net liabilities assumed in connection with acquisitions Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed Unvested, beginning of period (in shares) Unvested, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adjustment to Compensation: Adjustment to Compensation [Axis] LESS: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Entity Current Reporting Status Entity Current Reporting Status Retained Earnings Retained Earnings [Member] Percentage of interest owned by noncontrolling interest holders Subsidiary, Ownership Percentage, Noncontrolling Owner Amortization of deferred financing costs Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Oil And Natural Gas Producing Properties, Giddings Area Oil And Natural Gas Producing Properties, Giddings Area [Member] Oil And Natural Gas Producing Properties, Giddings Area Accrued capital expenditures Accrued Capital Expenditures, Current Accrued Capital Expenditures, Current Asset Acquisition [Domain] Asset Acquisition [Domain] Basic (in shares) Weighted average number of common shares outstanding during the period - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Number of votes for each share held Common Stock, Voting Rights, Number Of Votes Per Share Common Stock, Voting Rights, Number Of Votes Per Share Total equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest RSUs Restricted Stock Units Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program Name Awards Close in Time to MNPI Disclosures, Individual Name Schedule of Components of Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Remaining maximum contingent cash consideration Asset Acquisition, Remaining Maximum Contingent Cash Consideration Asset Acquisition, Remaining Maximum Contingent Cash Consideration Entity Filer Category Entity Filer Category Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Letter of Credit Sublimit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name