Document and Entity Information Document Information [Table] Document Information [Line Items] Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Amendment Flag Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Condensed Consolidated Balance Sheets Statement [Table] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Nonrelated Party [Member] Nonrelated Party Related Party [Member] Related Party Affiliated Entity [Member] Affiliated Entity Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Restricted Cash, Current Restricted cash Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Contract with Customer, Receivable, after Allowance for Credit Loss, Current Accrued revenue Receivables from contracts with customers Derivative Asset, Current Derivative instruments Current portion of fair value of derivative assets Prepaid Expense, Current Prepaid expenses Disposal Group, Including Discontinued Operation, Assets, Current Current assets held for sale Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net [Abstract] Property and equipment: Oil and Gas, Successful Efforts Method, Property and Equipment, before Accumulated Depreciation, Depletion, Amortization, and Impairment [Abstract] Oil and gas properties, at cost (successful efforts method): Oil and Gas, Successful Efforts Method, Property and Equipment, Unproved Property, before Accumulated Depreciation, Depletion, Amortization, and Impairment Unproved properties Oil and Gas, Successful Efforts Method, Property and Equipment, Proved Property, before Accumulated Depreciation, Depletion, Amortization, and Impairment Proved properties Property, Plant and Equipment, Other, Gross Other property and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Property and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Less accumulated depletion, depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property and equipment, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating leases right-of-use assets Derivative Asset, Noncurrent Derivative instruments Noncurrent portion of fair value of derivative assets Equity Method Investments Investments in unconsolidated affiliates Investment in unconsolidated affiliate Disposal Group, Including Discontinued Operation, Assets, Noncurrent Assets held for sale Other Assets, Noncurrent Other assets Assets Total assets Total assets Liabilities and Equity [Abstract] Liabilities and Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total accrued liabilities This element represents the portion of revenue payable to joint interest owner, out of revenue earned from goods or services that have been delivered or sold in the normal course of joint ventured business. Revenue Distributions Payable, Current Revenue distributions payable Commercial Paper Commercial paper Derivative Liability, Current Derivative instruments Current portion of fair value of derivative liabilities Present value of lessee's discounted obligation for lease payments from operating and finance leases, classified as current. Operating And Finance Lease Liability Current Short-term lease liabilities Deferred Revenue, Current Deferred revenue, VPP Disposal Group, Including Discontinued Operation, Liabilities, Current Current liabilities held for sale Other Liabilities, Current Other current liabilities Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities: Long-Term Debt, Excluding Current Maturities Long-term debt Total long-term debt Deferred Income Tax Liabilities, Net Deferred income tax liability, net Derivative Liability, Noncurrent Noncurrent portion of fair value of derivative liabilities Derivative instruments Present value of lessee's discounted obligation for lease payments from operating and finance leases, classified as noncurrent. Operating And Finance Lease Liability Noncurrent Long-term lease liabilities Deferred Revenue, Noncurrent Deferred revenue, VPP Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Liabilities held for sale Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Preferred Stock, Value, Issued Preferred stock, $0.01 par value; authorized - 50,000 shares; none issued Common Stock, Value, Issued Common stock, $0.01 par value; authorized - 1,000,000 shares; 308,510 and 308,739 shares issued and outstanding as of December 31, 2025 and June 30, 2026, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Equity, Attributable to Parent Total stockholders' equity Equity, Attributable to Noncontrolling Interest Noncontrolling interests Equity, Including Portion Attributable to Noncontrolling Interest Balance Balances Total equity Liabilities and Equity Total liabilities and equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, authorized shares Preferred Stock, Shares Issued Preferred stock, shares issued Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, authorized shares Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Condensed Consolidated Statements of Operations and Comprehensive Income Product and Service [Axis] Product and Service [Domain] Natural Gas, Production [Member] Natural gas sales Represents the information pertaining to Natural gas liquids sales. Natural Gas Liquids Sales [Member] Natural gas liquids sales Oil and Condensate [Member] Oil sales Primary financial statement caption encompassing commodity derivative fair value gains (losses). Commodity Derivative Fair Value Gains Losses [Member] Commodity derivative fair value gains (losses) Commodity derivative fair value gains (losses) Natural Gas, Gathering, Transportation, Marketing and Processing [Member] Gathering, compression, processing and transportation Represents the information pertaining to Marketing. Marketings [Member] Marketing Represents information related to amortization of deferred revenue, VPP. Amortization Of Deferred Revenue VPP [Member] Amortization of deferred revenue, VPP Represents information related to other revenue and income. Other Revenue And Income [Member] Other revenue and income Represents the information pertaining to Exploration. Exploration [Member] Exploration Revenues [Abstract] Revenue and other: Sales and revenues: Revenues Total revenue Operating Expenses [Abstract] Operating expenses: Operating Lease, Expense Lease operating Cost of Product and Service Sold Cost of goods and services sold Gathering, compression, processing, transportation, water handling and marketing Taxes, Miscellaneous Production and ad valorem taxes General and Administrative Expense General and administrative Depreciation, Depletion and Amortization Depletion, depreciation and amortization Impairment, Oil and Gas, Property with Unproved and Proved Reserves Impairment of property and equipment Asset Retirement Obligation, Accretion Expense Accretion of asset retirement obligations The loss recognized on termination of a contract and the amount of loss pertaining to the specified contingency and settlements that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Loss on Contract Termination, Loss Contingency and Settlements, Loss in Period Contract termination, loss contingency and settlements Gain (Loss) on Disposition of Assets Gain on sale of assets Loss (gain) on sale of assets Gain on sale of assets Other Cost and Expense, Operating Other operating expense Costs and Expenses Total operating expenses Total operating expenses Operating Income (Loss) Operating income (loss) Operating income Nonoperating Income (Expense) [Abstract] Other income (expense): Interest Income (Expense), Nonoperating Interest expense, net Income (Loss) from Equity Method Investments Equity in earnings of unconsolidated affiliate Equity in earnings of unconsolidated affiliate Equity in earnings of unconsolidated affiliates Gain (Loss) on Extinguishment of Debt Loss on early extinguishment of debt Loss on early extinguishment of debt Business Combination, Acquisition-Related Cost, Expense Transaction expense Acquisition-related costs Nonoperating Income (Expense) Total other income (expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income and comprehensive income Net income including noncontrolling interests Net income and comprehensive income including noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Less: net income and comprehensive income attributable to noncontrolling interests Net Income (Loss) Available to Common Stockholders, Basic Net income and comprehensive income attributable to Antero Resources Corporation Earnings Per Share, Basic Net income per common share-basic (in dollars per share) Earnings Per Share, Diluted Net income per common share-diluted (in dollars per share) Earnings Per Share [Abstract] Net Income Per Common Share Weighted average number of common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic weighted average number of common shares outstanding Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average number of common shares outstanding Diluted (in shares) Share-Based Payment Arrangement, Noncash Expense Equity-based compensation Equity-based compensation expense recognized Equity-based compensation expense Condensed Consolidated Statements of Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Retained Earnings Noncontrolling Interest [Member] Noncontrolling Interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Issued Balance (in shares) Balances (in shares) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Issuance of common stock upon vesting of equity-based compensation awards, net of shares withheld for income taxes (in shares) Shares issued to cover conversions (in shares) Stock Repurchased and Retired During Period, Value Repurchases and retirements of common stock Stock Repurchased and Retired During Period, Shares Repurchases and retirements of common stock (in shares) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Equity-based compensation Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to noncontrolling interests Amount representing the non-cash effect of the In-kind liquidating distribution to noncontrolling interests. In-kind Liquidating Distribution To Noncontrolling Interests In-kind Liquidating Distribution To Noncontrolling Interests In-kind liquidating distribution to noncontrolling interests Condensed Consolidated Statements of Cash Flows Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Also includes the amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Depletion Depreciation Amortization And Accretion Depletion, depreciation, amortization and accretion Asset Impairment Charges Impairment of property and equipment Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Commodity derivative fair value losses (gains) Derivative fair value gains (losses) The amount of gains (losses) on settlement of commodity derivatives. Gain (Loss) On Settlement Of Commodity Derivatives Losses on settled commodity derivatives Deferred Income Tax Expense (Benefit) Deferred income tax expense Proceeds from Equity Method Investment, Distribution Dividends from unconsolidated affiliate Dividends of earnings from unconsolidated affiliate Deferred Revenue, Revenue Recognized Amortization of deferred revenue Amortization of Debt Issuance Costs and Discounts Amortization of debt issuance costs and other Asset Retirement Obligation, Cash Paid to Settle Settlement of asset retirement obligations Settlement of obligations Loss recognized on termination of a contract not yet paid and estimated liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. Noncash Portion Of Contract Termination, Loss Contingency And Settlements Contract termination, loss contingency and settlements Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in current assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Amount of increase (decrease) in contract with customer receivable after allowance for credit loss current. Increase Decrease In Contract With Customer Receivable After Allowance For Credit Loss Current Accrued revenue Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable Accounts payable including related parties Increase (Decrease) in Accrued Liabilities Accrued liabilities This element represents the increase or decrease in revenue distributions payable during the reporting period. Increase Decrease In Revenue Distributions Payable Revenue distributions payable Increase (Decrease) in Other Current Liabilities Other current liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash provided by operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows provided by (used in) investing activities: The cash outflow for purchase of unproved properties. Payments To Unproved Properties Additions to unproved properties Payments to Explore and Develop Oil and Gas Properties Drilling and completion costs Payments to Acquire Other Property, Plant, and Equipment Additions to other property and equipment Payments to Acquire Businesses, Gross Acquisition of HG Production Cash consideration Payments to Acquire Oil and Gas Property Acquisitions of oil and gas properties Proceeds from asset sales Amount of increase (decrease) in investing assets classified as other. Increase Decrease In Other Investing Assets Change in other assets Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows provided by (used in) financing activities: Proceeds from Issuance of Debt Issuances and borrowings of debt Repayments of Debt Repayments of debt.