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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 Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Acquired interest (as a percent) Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted average number of common shares outstanding during the period - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividend Amount per share (in dollars per share) Common Stock, 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Dilutive effect of stock based compensation and other (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Distributions to Magnolia LLC Unit Holders Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Other assets and liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Award Timing Predetermined Award Timing Predetermined [Flag] Federal Deferred Federal Income Tax Expense (Benefit) Treasury Stock Treasury Stock, Common [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock based compensation expense, net of forfeitures APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Stock redeemed (in shares) Stock Redeemed or Called During Period, Shares Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of 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Antidilutive Securities [Axis] Antidilutive Securities [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Schedule of Components of Basic and Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Oil and natural gas properties Oil and Gas, Successful Efforts Method, Property and Equipment, before Accumulated Depreciation, Depletion, Amortization, and Impairment Minimum Minimum [Member] Adjustment to deferred taxes Adjustment To Additional Paid in Capital, Deferred Taxes Adjustment To Additional Paid in Capital, Deferred Taxes Dividends paid Payments of Ordinary Dividends, Common Stock Other Oil and 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Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Shares excluded due to antidilutive effect (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments RSUs Restricted Stock Units Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [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] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Leverage ratio (less than) Debt Instrument, Covenant, Leverage Ratio Debt Instrument, Covenant, Leverage Ratio Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Components of Income Tax Provision Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] 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 Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name 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 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 Non-GAAP Measure Description Non-GAAP Measure Description [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] Statement [Line Items] Statement [Line Items] TOTAL ASSETS Assets Entity [Domain] Entity [Domain] Interest expense Interest Expense, Nonoperating Postretirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, 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and cancellations (in shares) Stock repurchased and subsequently canceled (in shares) Stock Repurchased and Retired During Period, Shares 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 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 Magnolia LLC Magnolia LLC [Member] Magnolia LLC [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Revolving credit facility Revolving Credit Facility [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 Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of Assumptions Used to Calculate Grant Date Fair Value of PSUs Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in dollars per share) Net income per share of Class A Common Stock - diluted (in dollars per share) Earnings Per Share, Diluted Oil revenues Oil and Condensate [Member] Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Expected volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Total Shareholder Return Amount Total Shareholder Return Amount OTHER ASSETS Other Assets, Noncurrent [Abstract] Joint interest receivables Oil and Gas, Joint Interest Billing, Receivable, Current Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Ownership [Domain] Ownership [Domain] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Natural gas revenues Natural Gas [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] CASH FLOW FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [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 Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Senior Unsecured Bridge Term Loan Facility Senior Unsecured Bridge Term Loan Facility [Member] Senior Unsecured Bridge Term Loan Facility Underlying Securities Award Underlying Securities Amount Revenue Recognition Revenue from Contract with Customer [Text Block] Other investing Payment for (Proceeds from) Other Investing Activity Risk-free interest rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Initial borrowing base Line Of Credit Facility, Initial Borrowing Base Line Of Credit Facility, Initial Borrowing Base Adjusted for performance multiple (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Adjusted for Performance Multiple , Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Adjusted for Performance Multiple , Weighted Average Grant Date Fair Value Sale of Stock [Axis] Sale of Stock [Axis] Title and Position [Axis] Title and Position [Axis] Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] OPERATING INCOME Operating Income (Loss) Schedule of Dividends Declared Dividends Declared [Table Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of 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Share-Based Payment Award, Number Of Shares Issuable Upon Vesting Of Each Award Redemption price (as a percent) Debt Instrument, Redemption Price, Percentage Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Total operating expenses Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Aggregate net proceeds Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Number of tranches payable Number Of Tranches Payable Number Of Tranches Payable Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Acquisitions Payments to Acquire Other Productive Assets INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before 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Amount Fair Value Measurements Fair Value Disclosures [Text Block] Supplemental cash items: Supplemental Cash Flow Information [Abstract] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Class A Common Stock repurchases (in shares) Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired PEO Name PEO Name Accrued liabilities Increase (Decrease) in Accrued Liabilities Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Income tax benefit recognized Share-Based Payment Arrangement, Expense, Tax Benefit Class A Common Stock repurchases Total cost of shares repurchased Treasury Stock, Value, Acquired, Cost Method Cash and cash equivalents – Beginning of period Cash and cash equivalents – End of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] 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 Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Cash consideration Payments to Acquire Businesses, Gross Subsequent Event [Table] Subsequent Event [Table] Stock based compensation Share-Based Payment Arrangement, Noncash Expense Accumulated depreciation, depletion and amortization Oil and Gas, Successful Efforts Method, Property and Equipment, Accumulated Depreciation, Depletion, and Amortization Conversion of Class B Common Stock to Class A Common Stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Contingent consideration transferred Asset Acquisition, Consideration Transferred, Contingent Consideration Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Net income per share of Class A Common Stock - basic (in dollars per share) Earnings Per Share, Basic Current ratio (greater than) Debt Instrument, Covenant, Current Ratio Debt Instrument, Covenant, Current Ratio Class A and B Common Stock purchases and cancellations Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Trade receivables Accounts Receivable, after Allowance for Credit Loss, Current Equity Offering Equity Offering [Member] Equity Offering Magnolia Operating Magnolia Operating [Member] Magnolia Operating [Member] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] 2034 Senior Notes 2034 Senior Notes [Member] 2034 Senior Notes Magnolia LLC Unit Holders Magnolia LLC Unit Holders [Member] Magnolia LLC Unit Holders Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Asset Acquisition [Line Items] Asset Acquisition [Line Items] TOTAL LIABILITIES AND EQUITY Liabilities and Equity Liability-Classified Performance Shares Liability-Classified Performance Shares [Member] Liability-Classified Performance Shares Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Performance period Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other income (expense), net Other Nonoperating Income (Expense) Long-term Debt Long-Term Debt [Text Block] Asset retirement obligations accretion Asset retirement obligations accretion Asset Retirement Obligation, Accretion Expense Total Stockholders’ Equity Parent [Member] Income tax receivable Income Taxes Receivable, Current Name Awards Close in Time to MNPI Disclosures, Individual Name EQUITY Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 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 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] WildFire Acquisition WildFire Acquisition [Member] WildFire Acquisition Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] General and administrative expenses General and Administrative Expense PROPERTY, PLANT AND EQUIPMENT Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization [Abstract] Less: Dividends and net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Amortization period Debt Issuance Costs, Amortization Period Debt Issuance Costs, Amortization Period Conversion of Class B Common Stock to Class A Common Stock Stock Issued During Period, Value, Conversion of Convertible Securities Magnolia LLC Units Magnolia LLC Units [Member] Magnolia LLC Units [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Gathering, transportation and processing Gas Gathering, Transportation, Marketing And Processing Costs1 Gas Gathering, Transportation, Marketing and Processing Costs Share Repurchase Program [Axis] Share Repurchase Program [Axis] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Less: Dividends and net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Exploration expenses Exploration Expense Name Measure Name 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 Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Transaction value Business Combination, Consideration Transferred Additional Paid In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Directors Director [Member] Number of geographical areas operations are conducted Number Of Geographical Areas Operations Are Conducted Number Of Geographical Areas Operations Are Conducted Name Trading Arrangement, Individual Name Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Lease operating expenses Operating Lease, Expense Percentage of interest owned Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Threshold for holders of company common stock to be able to elect all directors Threshold For Holders Of Company Common Stock To Be Able To Elect All Directors Threshold For Holders Of Company Common Stock To Be Able To Elect All Directors Company Selected Measure Amount Company Selected Measure Amount Depreciation, depletion and amortization Depreciation, depletion and amortization Depreciation, Depletion and Amortization Common stock issued related to stock based compensation and other, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock, Class of Stock [Table] Stock, Class of Stock [Table] NET INCOME Net income NET INCOME Net Income (Loss), Including Portion Attributable to Noncontrolling Interest CURRENT ASSETS Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 7.50% Senior Notes Due 2029 7.50% Senior Notes Due 2029 [Member] 7.50% Senior Notes Due 2029 Income tax expense Income tax expense Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] NET CHANGE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Expected volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum NET INCOME ATTRIBUTABLE TO CLASS A COMMON STOCK NET INCOME ATTRIBUTABLE TO CLASS A COMMON STOCK Net income attributable to Class A Common Stock Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] 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 Swingline facility Bridge Facility Bridge Loan [Member] Accrued capital expenditures Accrued Capital Expenditures, Current Accrued Capital Expenditures, Current Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] 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 Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program Extension period after stated maturity date Debt Instrument, Extension, Period After Stated Maturity Date Debt Instrument, Extension, Period After Stated Maturity Date REVENUES Revenues [Abstract] Federal Current Federal Tax Expense (Benefit) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]