Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Domestic tax jurisdiction Income Tax Jurisdiction, Domestic Federal [Member] Lease liabilities: Operating And Finance Lease, Liability Operating And Finance Lease, Liability Payment of interest on finance lease liabilities Finance Lease, Interest Payment on Liability, Investing Activities Finance Lease, Interest Payment on Liability, Investing Activities Title of 12(b) Security Title of 12(b) Security Subsequent event Subsequent Event [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Accrued payroll Employee-related Liabilities, Current State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Leases Lessee, Finance Leases [Text Block] Guarantor obligations, maximum exposure, undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Entity Ex Transition Period Entity Ex Transition Period Tamboran (Beetaloo) Pty Tamboran (Beetaloo) Pty [Member] Tamboran (Beetaloo) Pty Fiscal year ending June 30, 2026 Finance Lease, Liability, to be Paid, Year One Effects of changes in tax laws or rates enacted in the current period Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Consolidated Entities [Axis] Consolidated Entities [Axis] Project [Axis] Project [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Construction facility with total project completion percentage Oil And Gas, Successful Efforts Method, Property And Equipment, After Accumulated Depreciation, Depletion, Amortization, And Impairment, Construction Total Project Completion, Percentage Oil And Gas, Successful Efforts Method, Property And Equipment, After Accumulated Depreciation, Depletion, Amortization, And Impairment, Construction Total Project Completion, Percentage Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Tamboran Resources Corporation Tamboran Resources Corporation [Member] Tamboran Resources Corporation Unproved properties Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Other Deferred Tax Liabilities, Other Leases [Abstract] Leases [Abstract] Statutory tax rate differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Consolidated Entities [Domain] Consolidated Entities [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Exercise price (in USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Issued In Connection With Acquisitions, Exercise Price Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Issued In Connection With Acquisitions, Exercise Price EP 117 EP 117 [Member] EP 117 Schedule of cash and cash equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Options, grant in period (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Common stock, par value per share (in USD per share) Common Stock, Par or Stated Value Per Share Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Natural Gas Properties Oil and Gas, Property [Policy Text Block] IPO Awards (Tranche 1) Tranche 1 Share-Based Payment Arrangement, Tranche One [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning asset retirement obligations Long-term asset retirement obligations Asset Retirement Obligation Right-of-use assets: Operating And Finance Lease, Right-Of-Use Asset Operating And Finance Lease, Right-Of-Use Asset Tamboran SPCF Pty Ltd (“TR SPCF") Tamboran SPCF Pty Ltd (“TR SPCF") [Member] Tamboran SPCF Pty Ltd (“TR SPCF") Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Second range Second Range [Member] Second Range Tax Reconciliation Not Required Tax Reconciliation Not Required Tax Reconciliation Not Required Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Daly Waters Royalty, LP Daly Waters Royalty, LP [Member] Daly Waters Royalty, LP Operating leases: Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Weighted-average number of common stock outstanding Weighted Average Number of Shares Outstanding, Basic and Diluted [Abstract] Weighted Average Number of Shares Outstanding, Basic and Diluted Share-based compensation grants in period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Title and Position [Domain] Title and Position [Domain] EP 98 EP 98 [Member] EP 98 Foreign lan Foreign Plan [Member] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Trade and other receivables: Other Receivables, Net, Current [Abstract] Other income (expense) Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Payment of interest on borrowings Interest Payment On Borrowings, Investing Activities Interest Payment On Borrowings, Investing Activities United states UNITED STATES Natural gas properties, successful efforts method: Balance at the beginning of the year Balance at the end of the year Oil and Gas, Successful Efforts Method, Property and Equipment, after Accumulated Depreciation, Depletion, Amortization, and Impairment Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Name of Property [Axis] Name of Property [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Asset Retirement Obligation Asset Retirement Obligation [Policy Text Block] Impairment of Long-lived Assets Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block] Falcon Acquisition Falcon Oil & Gas Ltd. ("Falcon Canada") [Member] Falcon Oil & Gas Ltd. ("Falcon Canada") Other current liabilities Business Combination, Recognized Liability Assumed, Other Liability, Current Prepaid expenses and other non-current assets Prepaid Expense and Other Assets, Noncurrent Management’s Use of Estimates Use of Estimates, Policy [Policy Text Block] Loss on remeasurement of assets classified as held for sale Impairment of Long-Lived Assets to be Disposed of Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Falcon Oil & Gas (Australia) Limited ("Falcon Australia") Falcon Oil & Gas (Australia) Limited ("Falcon Australia") [Member] Falcon Oil & Gas (Australia) Limited ("Falcon Australia") Within twelve to eighteen months Within Twelve To Eighteen Months [Member] Within Twelve To Eighteen Months Less: Lease cost capitalized to unproved properties Lease Cost Capitalized To Unproved Properties Lease Cost Capitalized To Unproved Properties Previously recorded expense Share-Based Payment Arrangement, Expense Reversal Share-Based Payment Arrangement, Expense Reversal Schedule of Lessee, Operating Lease, Liability, to be Paid, Maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Document Period End Date Document Period End Date Shares yet to be issued Stock To Be Issued During Period, Value, New Issues Stock To Be Issued During Period, Value, New Issues Fiscal year ending June 30, 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Debt instrument, term Debt Instrument, Term Contributions received from noncontrolling interest holders Proceeds from Noncontrolling Interests Tax losses carried forward Deferred Tax Assets, Operating Loss Carryforwards Leases Lessor, Operating Leases [Text Block] Accrued capital expenditure Accrued Capital Expenditure, Current Accrued Capital Expenditure, Current Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Area of land Area of Land Weighted-average remaining lease term Finance Lease, Weighted Average Remaining Lease Term Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Current portion of operating lease obligations Operating Lease, Liability, Current Sturt plateau pipeline (SPP), distance Sturt Plateau Pipeline (SPP), Distance Sturt Plateau Pipeline (SPP), Distance Schedule of Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward [Table Text Block] Earnings (Loss) per Share Earnings Per Share [Text Block] Net loss per common stock Earnings Per Share [Abstract] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Financial guarantee Financial Guarantee [Member] Total liabilities Liabilities Trading Symbol Trading Symbol Asset sale agreement, consideration transferred per acre (in USD per acre) Asset Sale Agreement, Consideration Transferred Per Acre Asset Sale Agreement, Consideration Transferred Per Acre Guarantor obligation, construction costs covered by bank guarantees, percentage Guarantor Obligation, Construction Costs Covered By Bank Guarantees, Percentage Guarantor Obligation, Construction Costs Covered By Bank Guarantees, Percentage Schedule of Asset Acquired and Liability Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Letter of credit, facility B and C Letter Of Credit, Facility B and C [Member] Letter Of Credit, Facility B and C Debt instrument, interest selection period Debt Instrument, Interest Selection Period Debt Instrument, Interest Selection Period Public stock offering Public Stock Offering [Member] Public Stock Offering Tamboran Common Stock Stock [Abstract] Stock Modular buildings and related equipment (“Stage 1 And 2 Hire Goods”) Modular Buildings And Related Equipment (“Stage 1 And 2 Hire Goods”) [Member] Modular Buildings And Related Equipment (“Stage 1 And 2 Hire Goods”) Maturity [Axis] Maturity [Axis] Maturity Line of credit facility, commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other receivables Other Receivables, Net, Current Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Property, plant and equipment, useful life Property, Plant, and Equipment, Useful Life Fiscal year ending June 30, 2027 Finance Lease, Liability, to be Paid, Year Two Net assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Other Deferred Tax Assets, Other Fiscal year ending June 30, 2029 Finance Lease, Liability, to be Paid, Year Four Operating loss carryforwards Operating Loss Carryforwards Vesting conditions, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Auditor Information [Abstract] Auditor Information [Abstract] Auditor Information Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Operating cash flows for operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Project [Domain] Project [Domain] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Asset retirement obligations Settlement of Asset Retirement Obligations Through Noncash Payments, Amount Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Grantee Status [Domain] Grantee Status [Domain] Liabilities incurred Asset Retirement Obligation, Liabilities Incurred Operating leases: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee Line of credit facility, increase (decrease) in maximum borrowing capacity Line Of Credit Facility, Increase (Decrease) In Maximum Borrowing Capacity Line Of Credit Facility, Increase (Decrease) In Maximum Borrowing Capacity Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Decrease in operating lease liability Increase (Decrease) in Operating Lease Liability Falcon Stock Options Falcon Stock Options [Member] Falcon Stock Options Capital Unit [Line Items] Capital Unit [Line Items] Going Concern and Management’s Liquidity Plans Substantial Doubt about Going Concern [Text Block] Depreciation Depreciation Vesting [Domain] Vesting [Domain] Plan Name [Domain] Plan Name [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Proceeds from issue of common stock, awaiting issuance Proceeds from Issuance of Common Stock, Awaiting Issuance Proceeds from Issuance of Common Stock, Awaiting Issuance Exercise
price (in AUD per share) Balance at
the start of
the year (in AUD per share) Balance at the
end of the
year (in AUD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Operating costs and expenses Operating Income (Loss) [Abstract] Line of credit facility, establishment fee Line Of Credit Facility, Establishment Fee Line Of Credit Facility, Establishment Fee Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Interest on finance lease liability and related depreciation of ROU assets capitalized Oil and Gas, Successful Efforts Method, Property and Equipment, Interest On Finance Lease Liability And Related Depreciation of ROU Assets Capitalized Oil and Gas, Successful Efforts Method, Property and Equipment, Interest On Finance Lease Liability And Related Depreciation of ROU Assets Capitalized Expiration Date Trading Arrangement Expiration Date Net increase (decrease) in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Line of credit facility, covenants, minimum current ratio Line of Credit Facility, Covenants, Minimum Current Ratio Line of Credit Facility, Covenants, Minimum Current Ratio Restricted cash Restricted Cash and Cash Equivalent Total stockholders’ equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Nonrelated Party Nonrelated Party [Member] Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward] Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Proceeds from issue of common stock Proceeds from Issuance of Common Stock Trade and other receivables Increase (Decrease) in Accounts and Other Receivables Nature of Operation, Product Information, Concentration of Risk [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Accelerated Non-renounceable Institutional Entitlement Offer Accelerated Non-renounceable Institutional Entitlement Offer [Member] Accelerated Non-renounceable Institutional Entitlement Offer Capital expenditure Oil and Gas, Capitalized Exploratory Well Cost, Charged to Expense Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Entity Voluntary Filers Entity Voluntary Filers Related Party Transaction [Axis] Related Party Transaction [Axis] Rest of the world Rest Of The World [Member] Rest Of The World Australia Sub Australia Sub [Member] Australia Sub Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Permanent difference Effective Income Tax Rate Reconciliation, Permanent Differences, Amount Effective Income Tax Rate Reconciliation, Permanent Differences, Amount Construction facility, percentage complete Oil And Gas, Successful Efforts Method, Property And Equipment, After Accumulated Depreciation, Depletion, Amortization, And Impairment, Construction Completion, Threshold Percentage Oil And Gas, Successful Efforts Method, Property And Equipment, After Accumulated Depreciation, Depletion, Amortization, And Impairment, Construction Completion, Threshold Percentage Property, Plant and Equipment Property, Plant, and Equipment [Policy Text Block] Thereafter Finance Lease, Liability, to be Paid, After Year Four Finance Lease, Liability, to be Paid, After Year Four Leases Deferred Tax Assets, Leasing Arrangements Deferred Tax Assets, Leasing Arrangements Long-term debt Debt Disclosure [Text Block] Equity, Capital Unit or Share [Table] Equity, Capital Unit or Share [Table] Greenshoe Option Greenshoe Option [Member] Greenshoe Option PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Oil and Gas, Capitalized Cost [Line Items] Oil and Gas, Capitalized Cost [Line Items] Checkerboard fee Checkerboard fee Checkerboard Fee Checkerboard Fee Weighted-average incremental borrowing rate Finance Lease, Weighted Average Discount Rate, Percent Interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Total Tamboran Resources Corporation stockholders’ equity Equity, Attributable to Parent ASSETS Right-of-use assets: Assets [Abstract] Number of shares transferred (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Consultancy, legal and professional fees Professional Fees Insider Trading Policies and Procedures [Line Items] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Transaction costs arising on common stock issued Deferred Tax Assets, Transaction Costs Arising On Common Stock Issued Deferred Tax Assets, Transaction Costs Arising On Common Stock Issued Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Share price of CDI issued (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Price of Chess Depository Interests (CDI) Issued Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Price of Chess Depository Interests (CDI) Issued Weighted average grant date fair value (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Interest income (expense), net Interest Income (Expense), Nonoperating Issuance of common stock as termination payment Sale of Stock, Consideration Received Per Transaction Payments for exploration and evaluation Payments to Explore and Develop Oil and Gas Properties Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Number of operating segments Number of Operating Segments Auditor Location Auditor Location CIK Entity Central Index Key Less: Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization 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] U.S federal statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Trade and Other Receivables Trade and Other Accounts Receivable, Unbilled Receivables, Policy [Policy Text Block] Issuance of common stock as prepayment of facility fee Sale Of Stock, Facility Fee, Consideration Received Per Transaction Sale Of Stock, Facility Fee, Consideration Received Per Transaction Ownership [Axis] Ownership [Axis] Total finance lease cost Finance Lease, Cost Gross Finance Lease, Cost Gross Non-cash equity considerations Non-Cash Equity Issuance Transactions Non-Cash Equity Issuance Transactions Finance lease obligation Non-current portion of finance lease obligation Finance Lease, Liability, Noncurrent Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Original lenders Original Lenders [Member] Original Lenders Schedule of Long-lived Assets Information Based on the Physical Location of the Assets by Geographic Region Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Tranche 2 Tranche 2 [Member] Tranche 2 Total lease payments Finance Lease, Liability, to be Paid Accumulated
other
comprehensive
loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Associated with acquisitions Asset Retirement Obligation, Associated With Acquisitions Asset Retirement Obligation, Associated With Acquisitions Supplemental Oil and Gas Disclosures (unaudited) Oil and Gas, Supplemental Disclosure [Text Block] Weighted-average remaining contractual term (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Equity consideration for Falcon Acquisition Business Combination, Consideration Transferred, Equity Interest Total non-current assets Assets, Noncurrent Statement [Line Items] Statement [Line Items] TOTAL ASSETS Assets Operating leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Interest expense Interest Expense, Operating Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Tranche 4 Four Tranche [Member] Four Tranche Finance lease cost charged to profit and loss Finance Lease, Cost Finance Lease, Cost Line of credit facility, covenants, minimum liquidity Line of Credit Facility, Covenants, Minimum Liquidity Line of Credit Facility, Covenants, Minimum Liquidity Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability Stock-based Compensation Share-Based Payment Arrangement [Text Block] Tamboran (B1) Pty Ltd ("TB1") Tamboran (B1) Pty Ltd ("TB1") [Member] Tamboran (B1) Pty Ltd ("TB1") Statutory tax rate differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent PEO PEO [Member] Effect of changes in foreign exchange rates Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Schedule of Assets and Liabilities, Lessee Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Other non-current liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Accumulated
deficit Retained Earnings [Member] Operating lease obligations Non-current portion of operating lease obligations Operating Lease, Liability, Noncurrent Total operating costs and expenses Operating Expenses Assets under construction- natural gas equipment Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Natural Gas Equipment Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Natural Gas Equipment Less: Net loss attributable to noncontrolling interest Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Fair Value Measurements Fair Value Measurement, Policy [Policy 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 Award Timing Disclosures [Line Items] Checkerboard Fee Checkerboard Fee [Member] Checkerboard Fee Diluted (in USD per share) Net loss per share, diluted (in USD per share) Earnings Per Share, Diluted Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Ownership [Domain] Ownership [Domain] Total assets acquired Business Combination, Recognized Asset Acquired, Asset Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Issuance of common stock under share purchase plan/against vested equity awards (in USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Per Share Price Of Shares Issued Share-Based Compensation Arrangement By Share-Based Payment Award, Per Share Price Of Shares Issued Total purchase price Business Combination, Consideration Transferred, Cash And Equity Business Combination, Consideration Transferred, Cash And Equity Vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Redeemable noncontrolling interest Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Extractive Industries [Abstract] State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Exercise Price Range [Axis] Exercise Price Range [Axis] Number of wells Oil and Gas, Productive Well, Gross, Number Sturt Pipeline Project (“SPP”) Sturt Pipeline Project (“SPP”) [Member] Sturt Pipeline Project (“SPP”) Title and Position [Axis] Title and Position [Axis] Sale of Stock [Axis] Sale of Stock [Axis] Weighted Average Remaining Contractual Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Foreign tax jurisdiction Income Tax Jurisdiction, Foreign [Member] Advance contributions received from noncontrolling interest holders Advance Proceeds From Noncontrolling Interests Advance Proceeds From Noncontrolling Interests Auditor Firm ID Auditor Firm ID Loss from operations Operating Income (Loss) Schedule of Finance Lease, Liability, to be Paid, Maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] IPO Awards 2024 Plan, IPO Awards [Member] 2024 Plan, IPO Awards Property acquisition costs: Oil and Gas, Cost Incurred, Property Acquisition Cost [Abstract] Details Detail [Abstract] Detail Unproved Oil and Gas, Cost Incurred, Unproved Reserve, Property Acquisition Cost Related Party Transaction [Domain] Related Party Transaction [Domain] Falcon Acquisition Business Combination [Text Block] Equity investment Equity Investment [Member] Equity Investment Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Australia IPO awards 2024 Plan, Australia IPO Awards [Member] 2024 Plan, Australia IPO Awards Common stock, shares, issued (in shares) Common stock, at the beginning of the period (in shares) Common stock, at the end of the period (in shares) Common Stock, Shares, Issued Common stock, shares, issued (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Common Stock to be Issued Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Number of Common Stock to be Issued Common stock, value, net proceeds at beginning of period Common stock, value, net proceeds at end of period Common Stock, Value, Net Proceeds Accumulated Common Stock, Value, Net Proceeds Accumulated Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Fiscal year ending June 30, 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date SPCF Sub Trust SPCF Sub Trust [Member] SPCF Sub Trust Subsequent Events [Abstract] Subsequent Events [Abstract] U.S federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Other current liabilities Other Liabilities, Current Tranche 2 Second Tranche [Member] Second Tranche Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Entity Public Float Entity Public Float Fair Value as of Grant Date Award Grant Date Fair Value Underwritten Offering And Institutional Entitlement Offering Underwritten Offering And Institutional Entitlement Offering [Member] Underwritten Offering And Institutional Entitlement Offering Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Total Sale of Stock, Consideration Received Per Transaction, Gross Sale of Stock, Consideration Received Per Transaction, Gross Arrangement Duration Trading Arrangement Duration Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Guarantee fee percentage Line Of Credit Facility, Government Guarantee Fee, Stated Percentage Line Of Credit Facility, Government Guarantee Fee, Stated Percentage Asset retirement obligations Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Revenue and other operating income Revenues Assets under construction - natural gas equipment Asset under Construction [Member] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Depreciation on right-of-use asset Finance Lease, Right-of-Use Asset, Amortization Share-based payment award, award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period All Award Types Award Type [Domain] Asset acquisitions Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] First range First Range [Member] First Range Interest on lease liability Finance Lease, Interest Expense Expected term for performance period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Vested and exercisable (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term Term of contract, office building Lessee, Operating Lease, Term of Contract Geographical [Axis] Geographical [Axis] Tranche 5 Five Tranche [Member] Five Tranche Issuance of common stock as consideration for Falcon Acquisition Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Legal Entity [Axis] Legal Entity [Axis] Tranche [Domain] Tranche [Domain] Tranche [Domain] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Joint Interest Activities Equity Method Investments [Policy Text Block] Cash and cash equivalents and restricted cash at the beginning of period Cash and cash equivalents and restricted cash at the end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Change in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Finance lease: Finance Lease, Assets And Liabilities, Lessee [Abstract] Finance Lease, Assets And Liabilities, Lessee Majority shareholder Majority Shareholder [Member] Asset sale agreement, consideration transferred Asset Sale Agreement, Consideration Transferred Asset Sale Agreement, Consideration Transferred Non-NEOs Non-NEOs [Member] Expiry period after vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expiry Period After Vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expiry Period After Vesting Share-based payment arrangement, employee Share-Based Payment Arrangement, Employee [Member] Cash consideration Payments to Acquire Businesses, Gross Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Co-venturer Co-venturer [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Tranche 1 First Tranche [Member] First Tranche Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accumulated deficit Accumulated surplus (deficit) Retained Earnings (Accumulated Deficit) Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loan from Group Loans Payable, Noncurrent Common
stock Common Stock [Member] Advance against joint interest billings Advance against joint interest billings Oil And Gas, Joint Interest Billing, Payable, Current Oil And Gas, Joint Interest Billing, Payable, Current Operating lease cost charged to profit and loss Operating Lease, Cost Issuance of common stock under share purchase plan/against vested equity awards (in shares) Issuance of common stock against vested equity awards/under share purchase plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Contribution receivable from noncontrolling interest holders Contribution Receivable From Non-Controlling Interest Contribution Receivable From Non-Controlling Interest Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Additions through asset acquisitions Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets, Additions Through Asset Acquisitions Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets, Additions Through Asset Acquisitions TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND STOCKHOLDERS’ EQUITY Liabilities and Equity Expenditures for which contributions are due Joint Venture, Expenditures For Which Contributions Are Due Joint Venture, Expenditures For Which Contributions Are Due Employee stock option Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Additional paid-in capital Additional Paid in Capital Accretion of asset retirement obligations Accretion of asset retirement obligations Accretion expense Asset Retirement Obligation, Accretion Expense Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Total cost incurred Oil and Gas, Cost Incurred, Exploration Cost Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Issue price (in USD per share) Sale of Stock, Price Per Share Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Advance payment of common stock issue transaction costs Advance Payments of Stock Issuance Costs Advance Payments of Stock Issuance Costs Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Oil and gas, joint interest billing, receivable Oil and Gas, Joint Interest Billing, Receivable Credit Facility [Axis] Credit Facility [Axis] Name Measure Name Effect of changes in foreign exchange rates Oil and Gas, Successful Efforts Method, Property and Equipment, Increase (Decrease) In Foreign Exchange Rates Oil and Gas, Successful Efforts Method, Property and Equipment, Increase (Decrease) In Foreign Exchange Rates Pay vs Performance Disclosure [Line Items] Amount Proceeds [Abstract] Proceeds Debt Instrument [Line Items] Debt Instrument [Line Items] Cash paid for amounts included in the measurement of lease liabilities: Leases, Payments Leases, Payments Additional
paid-in
capital Additional Paid-in Capital [Member] Equipment Equipment [Member] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Issuance of common stock as prepayment of facility fee (in shares) Stock Issued During Period, Facility Fee, Shares, New Issues Stock Issued During Period, Facility Fee, Shares, New Issues Name Trading Arrangement, Individual Name Accrued expenses and liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Remaining costs to recognize, if all vesting conditions are met Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Accrued debt issuance costs Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Finance lease right-of-use assets and lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Compensated absences Accrued Vacation, Current Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Foreign exchange gain (loss), net Foreign exchange (gain) loss, net Gain (Loss), Foreign Currency Transaction, before Tax Award Timing Method Award Timing Method [Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Total deferred tax assets Deferred Tax Assets, Gross Syndicated Facility Agreement Syndicated Facility Agreement [Member] Syndicated Facility Agreement 2024 Director RSUs 2024 Director Awards [Member] 2024 Director Awards IPO Awards (Tranche 3) Tranche three Share-Based Payment Arrangement, Tranche Three [Member] Net loss attributable to Tamboran Resources Corporation stockholders Net loss after income tax attributable to Tamboran Resources Corporation stockholders Net Income (Loss) Attributable to Parent Unpaid cash calls receivable Joint Venture, Unpaid Cash Calls Receivable Joint Venture, Unpaid Cash Calls Receivable Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Retail Entitlement Offer Retail Entitlement Offer [Member] Retail Entitlement Offer Restatement Determination Date: Restatement Determination Date [Axis] Maturity [Domain] Maturity [Domain] Maturity [Domain] Overriding royalty interest rate, petroleum Overriding Royalty Interest Rate, Petroleum Overriding Royalty Interest Rate, Petroleum Share-Based Payment Arrangement, Nonemployee Share-Based Payment Arrangement, Nonemployee [Member] Liabilities assumed: Business Combination, Recognized Liability Assumed, Liability [Abstract] Lease, gap period Finance Lease, Gap Period Finance Lease, Gap Period Leases as a Lessee Lessee, Leases [Policy Text Block] CDI issued in the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Chess Depository Interest (CDI) Issued in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Chess Depository Interest (CDI) Issued in Period Government guarantee amount Line Of Credit Facility, Maximum Government Guarantee Line Of Credit Facility, Maximum Government Guarantee Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Exploration assets Deferred Tax Liabilities, Exploration Assets Deferred Tax Liabilities, Exploration Assets Defined contribution superannuation payable Liability, Pension and Other Postretirement and Postemployment Benefits, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Transaction costs capitalized Business Combination, Acquisition-Related Cost, Expense Common stock, $0.001 par value; 10,000,000,000 common stock authorized; 34,872,663 and 16,717,289 common stock issued and outstanding as of June 30, 2026 and 2025, respectively Common Stock, Value, Issued Fiscal year ending June 30, 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Line of credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Line of credit, drawdown fee percentage Line Of Credit Facility, Drawdown Fee Percentage Line Of Credit, Drawdown Fee Per Annum, Percentage Valuation allowance recognized Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Total cost incurred Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development Costs Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Payment of transaction costs on common stock, awaiting issuance Payments Of Stock Awaiting Issuance Costs Payments Of Stock Awaiting Issuance Costs Administrative funding to Falcon Ireland Other Payments to Acquire Businesses Equity Incentive Plan Equity Incentive Plan [Member] Equity Incentive Plan Amendment Flag Amendment Flag Current liabilities Liabilities, Current [Abstract] Repayment of lease liabilities Financing cash flows for finance leases Finance Lease, Principal Payments Other stock issuances (in shares) Stock Issued During Period, Shares, Other Accrued stock issuance costs Stock Issuance Cost Incurred But Not Yet Paid Stock Issuance Cost Incurred But Not Yet Paid Proved Oil and Gas, Cost Incurred, Proved Reserve, Property Acquisition Cost Third range Third Range [Member] Third Range Payments for property, plant and equipment Payments to Acquire Other Property, Plant, and Equipment Camp expense recoveries, net Camp (Expense) Recoveries, Net Camp (Expense) Recoveries, Net Total non-current liabilities Liabilities, Noncurrent Intercompany payable Accounts Payable, Other, Current Unproved properties Oil and Gas, Capitalized Cost, before Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Unproved Property Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Accrued stamp duty Accrued Stamp Duty, Current Accrued Stamp Duty, Current Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation Foreign exchange translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Macquarie Bank Limited (“Macquarie”) Macquarie Bank Limited (“Macquarie”) [Member] Macquarie Bank Limited (“Macquarie”) Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Proceeds from government grants for exploration Proceeds From Government Grants For Exploration Proceeds From Government Grants For Exploration Number of votes per share Number Of Votes Per Share Number Of Votes Per Share Fiscal year ending June 30, 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Midstream Midstream [Member] Midstream Issuance of shares against vested equity awards APIC, Share-Based Payment Arrangement, Vested Equity Awards, Increase for Cost Recognition APIC, Share-Based Payment Arrangement, Vested Equity Awards, Increase for Cost Recognition ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Class of Stock [Axis] Class of Stock [Axis] Basis of Presentation of Consolidated Financial Statements Basis of Accounting, Policy [Policy Text Block] Debt issuance costs, gross Debt Issuance Costs, Gross Intercompany receivable Accounts and Other Receivables, Net, Current Interest and commitment fee payable on Syndicated Facility Interest And Commitment Fee Payable Interest And Commitment Fee Payable Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Total stock compensation costs capitalized Share-Based Payment Arrangement, Amount Capitalized Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Net Earnings (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Accrued capital expenditure Capital Expenditures Incurred but Not yet Paid Grantee Status [Axis] Grantee Status [Axis] Noncontrolling
interest Noncontrolling Interest [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Defined contribution plan, employer discretionary contribution amount Defined Contribution Plan, Employer Discretionary Contribution Amount Long-term debt Long-term debt, net Long-Term Debt Property, Plant and Equipment & Natural Gas Properties Property, Plant, and Equipment [Text Block] Australia Retention awards 2024 Plan, Australia Retention Awards [Member] 2024 Plan, Australia Retention Awards Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Forfeited or expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Accounts payable and accrued expenses Business Combination, Recognized Liability Assumed, Accounts Payable And Accrued Expenses Business Combination, Recognized Liability Assumed, Accounts Payable And Accrued Expenses Tranche 3 Third Tranche [Member] Third Tranche Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Stockholders’ Equity Equity [Text Block] Security Exchange Name Security Exchange Name Sand mining permits Sand Mining Permits [Member] Sand Mining Permits Granted (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Schedule of Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Number of shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Non-cash finance lease costs capitalized to unproved properties Non-Cash Finance Lease Costs Capitalized To Unproved Properties Non-Cash Finance Lease Costs Capitalized To Unproved Properties Schedule of Property, Plant, and Equipment Property, Plant, and Equipment [Table Text Block] Finance lease right-of-use asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Phase 2 Development Area ("P2DA"), Previously "Dev A++" Phase 2 Development Area ("P2DA"), Previously "Dev A++" [Member] Phase 2 Development Area ("P2DA"), Previously "Dev A++" Daly Waters Energy, LP (“DWE”) Daly Waters Energy, LP (“DWE”) [Member] Daly Waters Energy, LP (“DWE”) Geographical [Domain] Geographical [Domain] 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Interest expense, long-term debt Interest Expense, Long-Term Debt Deferred Debt Issuance Costs Deferred Debt Issuance Cost [Policy Text Block] Deferred Debt Issuance Cost Interest and fee payable Interest And Fee Payable Interest And Fee Payable Total principal balance Long-Term Debt, Gross Related Party Transactions [Abstract] Related Party Transactions [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Tamboran (West) Pty Ltd (“TR West”), Daly Waters Energy, LP (“DWE”), Elliot Energy I Pty Ltd Tamboran (West) Pty Ltd (“TR West”), Daly Waters Energy, LP (“DWE”), Elliot Energy I Pty Ltd [Member] Tamboran (West) Pty Ltd (“TR West”), Daly Waters Energy, LP (“DWE”), Elliot Energy I Pty Ltd Percentage of ownership interest Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Issuance of common stock pursuant to Subscription Agreement (in shares) Sale of stock, subscription agreement, shares (in shares) Stock Issued During Period, Subscription Agreement, Shares, New Issues Stock Issued During Period, Subscription Agreement, Shares, New Issues Related Party Transaction [Line Items] Related Party Transaction [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Bunkhouses And Accommodation Verandahs ("Stage 3 Hire of Goods") Bunkhouses And Accommodation Verandahs ("Stage 3 Hire of Goods") [Member] Bunkhouses And Accommodation Verandahs ("Stage 3 Hire of Goods") Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Number of equal tranches Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Equal Tranches Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Equal Tranches Prepaid expenses and other non-current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Noncurrent Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Noncurrent Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Tranche 1B Tranche 1B [Member] Tranche 1B Intercompany payable Business Combination, Recognized Liability Assumed, Intercompany Payable Business Combination, Recognized Liability Assumed, Intercompany Payable Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total lease payments Lessee, Operating Lease, Liability, to be Paid Tranche two and three Share-Based Payment Arrangement, Tranche Two and Three [Member] Share-Based Payment Arrangement, Tranche Two and Three All Executive Categories All Executive Categories [Member] Chief Executive Officer Chief Executive Officer [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Redeemable noncontrolling interest Redeemable Noncontrolling Interest, Equity, Carrying Amount Exercise Price Range [Domain] Exercise Price Range [Domain] Number of potential additional performance bond facilities Number of Potential Additional Performance Bond Facilities Number of Potential Additional Performance Bond Facilities Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Segment and Geographic Information Segment Reporting [Text Block] Minimum Minimum [Member] Auditor Name Auditor Name LIABILITIES Lease liabilities: Liabilities [Abstract] Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Effects of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Weighted average remaining contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term 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] Preacquisition equity interest in acquiree, percentage Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Percentage Schedule of Common Stock Outstanding Roll Forward Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Effects of changes in tax laws or rates enacted in the current period Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Common stock, shares authorized (in shares) Common Stock, Shares Authorized Agent and security trustee Agent And Security Trustee [Member] Agent And Security Trustee Sale of stock, number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] APA Group (APA) APA Group (APA) [Member] APA Group (APA) Exercise Price Award Exercise Price Tranche 1A Tranche 1A [Member] Tranche 1A Schedule of Share-Based Payment Award, Equity Instruments Other than Options, Valuation Assumptions Schedule Of Share-Based Payment Award, Equity Instruments Other than Options, Valuation Assumptions [Table Text Block] Schedule Of Share-Based Payment Award, Equity Instruments Other than Options, Valuation Assumptions 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] Lender Name [Axis] Lender Name [Axis] Exploration expense Exploration Expense (Credit), Net Exploration Expense (Credit), Net Tranche [Axis] Tranche [Axis] Tranche Less: Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] Transaction costs Less: Transaction costs Sale of Stock, Consideration Received on Transaction Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Total other income (expense) Nonoperating Income (Expense) Issuance of common stock against vested equity awards/under share purchase plan Issuance of common stock under share purchase plan/against vested equity awards Share-Based Compensation Arrangement By Share-Based Payment Award, Consideration Received Per Transaction Share-Based Compensation Arrangement By Share-Based Payment Award, Consideration Received Per Transaction Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Present value of operating lease liabilities Operating Lease, Liability Common stock issue transaction costs Payments of stock issuance costs Payments of Stock Issuance Costs Number of options outstanding (in shares) Balance at
the start of
the year (in shares) Balance at the
end of the
year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Present value of finance lease liabilities Finance Lease, Liability Permit extension period granted Permit Extension Period Granted Permit Extension Period Granted Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Payments for assets under construction Payments for Construction in Process Business Combination [Domain] Business Combination [Domain] Letter of credit Letter of Credit [Member] Contributions from noncontrolling interest holders Noncontrolling Interest, Increase from Subsidiary Equity Issuance Forfeited or expired (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Underlying Asset Class [Axis] Underlying Asset Class [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Retention Awards - Granted FY26 2026 Plan, Retention Awards [Member] 2026 Plan, Retention Awards Name of Property [Domain] Name of Property [Domain] Business Combination [Axis] Business Combination [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Accrued interest income Accrued Interest Income Accrued Interest Income Payments in relation to assignment of notes receivable Payments to Acquire Notes Receivable Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Sale of stock, subscription agreement, price (in USD per share) Sale Of Stock, Subscription Agreement, Price Per Share Sale Of Stock, Subscription Agreement, Price Per Share Proceeds from collection of notes receivable Proceeds from Collection of Notes Receivable Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Restoration assets Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets Noncancelable term of contract Lessee, Operating Lease, Term Of Contract, Noncancelable Lessee, Operating Lease, Term Of Contract, Noncancelable City Area Code City Area Code Reduction in lease term Lessee, Operating Lease, Reduction In Lease Term Lessee, Operating Lease, Reduction In Lease Term Operating lease ROU reduction Operating Lease, Right-of-Use Asset, Periodic Reduction Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Sweetpea Petroleum Pty Ltd Sweetpea Petroleum Pty Ltd [Member] Sweetpea Petroleum Pty Ltd Entity [Domain] Entity [Domain] Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] EP 136 EP 136 [Member] EP 136 Stock-based compensation reserve Non-Cash Transaction, Stock-Based Compensation Reserve Non-Cash Transaction, Stock-Based Compensation Reserve Tranche 4 Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four Stock-based Compensation Share-Based Payment Arrangement [Policy Text Block] Beetaloo Joint Venture Beetaloo Joint Venture [Member] Beetaloo Joint Venture Issuance of common stock as termination payment (in shares) Capital raise (in shares) Stock Issued During Period, Shares, New Issues Number of licenses Number of Licenses Number of Licenses Total stock compensation costs expensed Share-Based Payment Arrangement, Expense U.S. Retention awards 2024 Plan, U.S. Retention Awards [Member] 2024 Plan, U.S. Retention Awards Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Product Information [Line Items] Product Information [Line Items] Rest of world Income Tax Jurisdiction, Foreign, Other [Member] Fair value at grant date (in 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 Subsequent Event Type [Domain] Subsequent Event Type [Domain] Preacquisition and acquired equity interests in acquiree, percentage Business Combination, Achieved in Stages, Preacquisition and Acquired Equity Interests in Acquiree, Percentage Payables and Accruals [Abstract] Payables and Accruals [Abstract] Line of credit facility, covenant, minimum liquidity threshold Line Of Credit Facility, Covenant, Minimum Liquidity Threshold Line Of Credit Facility, Covenant, Minimum Liquidity Threshold Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Payment of debt issuance costs Payments of Debt Issuance Costs Entity Current Reporting Status Entity Current Reporting Status Net cash from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation EP 143 EP 143 [Member] EP 143 Total Shareholder Return Amount Total Shareholder Return Amount Performance bonds Facility Fee Performance Bonds, Facility Fee, Noncash Expense Performance Bonds, Facility Fee, Noncash Expense ATO receivable Value Added Tax Receivable, Current Joint interest billings Oil and Gas, Joint Interest Billing, Receivable, Current LNG feasibility study expense Research and Development Expense Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2025 Director RSUs 2025 Director Awards [Member] 2025 Director Awards Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, plant and equipment, net Total plant and equipment - net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Total cost incurred Share-Based Payment Arrangement, Expensed and Capitalized, Amount Line of credit facility, conditions to issue stock, value, new issues Line of Credit Facility, Conditions To Issue Stock, Value, New Issues Line of Credit Facility, Conditions To Issue Stock, Value, New Issues Proceeds from sale of assets held for sale Proceeds from Sale, Property, Held-for-Sale Subscription Agreements Subscription Agreements [Member] Subscription Agreements Underlying Securities Award Underlying Securities Amount Less: Total comprehensive income (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Issuance of common stock, net of issuance cost Stock Issued During Period, Value, New Issues Development costs Oil and Gas, Cost Incurred, Development Cost Vested and exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted-average incremental borrowing rate Operating Lease, Weighted Average Discount Rate, Percent VWAP term Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, VWAP Term Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, VWAP Term Related Party Transaction [Table] Related Party Transaction [Table] Disposal Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets, Disposals Oil and Gas, Successful Efforts Method, Property and Equipment, Restoration Assets, Disposals Schedule of Lease, Cost Lease, Cost [Table Text Block] 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] Current Fiscal Year End Date Current Fiscal Year End Date Mako Trough Mako Trough [Member] Mako Trough Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Total long-lived assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Committed at the reporting date but not recognized as liabilities, payable: Unrecorded Unconditional Purchase Obligation 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] Entity File Number Entity File Number Accrued transaction costs Transaction Costs Accrued But Not Yet Paid Transaction Costs Accrued But Not Yet Paid Schedule of Share-Based Payment Arrangement, Option, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Term of contract, rig Lessee, Finance Lease, Term of Contract Asset retirement obligations Asset Retirement Obligations, Noncurrent Letter of credit, facility A Letter Of Credit, Facility A [Member] Letter Of Credit, Facility A Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Less: Valuation allowance Deferred Tax Assets, Valuation Allowance Number of CDIs issued in transaction (in shares) Sale of Stock, Number Of CDIs Issued In Transaction Sale of Stock, Number Of CDIs Issued In Transaction Entity Interactive Data Current Entity Interactive Data Current Within eighteen to twenty four months Within Eighteen To Twenty Four Months [Member] Within Eighteen To Twenty Four Months Current portion of finance lease obligation Finance Lease, Liability, Current EP 76 EP 76 [Member] EP 76 Accounts payable and accrued expenses Total accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Exploration costs: Oil and Gas, Cost Incurred, Exploration Cost [Abstract] Oil and Gas, Cost Incurred, Exploration Cost Entity Small Business Entity Small Business Total comprehensive loss attributable to Tamboran Resources Corporation stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] U.S. IPO awards 2024 Plan, U.S. IPO Awards [Member] 2024 Plan, U.S. IPO Awards Fiscal year ending June 30, 2028 Finance Lease, Liability, to be Paid, Year Three Document Type Document Type Payment for Falcon Acquisition, including transaction costs, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Finance lease: Leases, Finance [Abstract] Leases, Finance Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from borrowings Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Less: Forfeitures Restricted Stock Award, Forfeitures Total deferred tax liabilities Deferred Tax Liabilities, Gross Permit extension period denied Permit Extension Period Denied Permit Extension Period Denied Schedule of Oil and Gas, Capitalized Cost Oil and Gas, Capitalized Cost [Table Text Block] Interest accrued on finance lease liabilities Finance Lease Interest Obligation Incurred Finance Lease Interest Obligation Incurred Commitments and contingencies (Note 15) Commitments and Contingencies Total property, plant and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Executive Category: Executive Category [Axis] Accumulated impairment to unproved properties Oil and Gas, Capitalized Cost, Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance Sturt plateau compression facility (“SPCF”), capacity, volume Sturt Plateau Compression Facility (“SPCF”), Capacity, Volume Sturt Plateau Compression Facility (“SPCF”), Capacity, Volume Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Australia AUSTRALIA Beetaloo Basin Beetaloo Basin [Member] Beetaloo Basin Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Asset retirement obligations Business Combination, Recognized Liability Assumed, Asset Retirement Obligations Business Combination, Recognized Liability Assumed, Asset Retirement Obligations Variable Interest Entity [Table] Variable Interest Entity [Table] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Lower limit (in AUD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Lower Range Limit Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Lower Range Limit Trade and other receivables Business Combination, Recognized Asset Acquired, Trade And Other Receivables Business Combination, Recognized Asset Acquired, Trade And Other Receivables Leasehold improvements Leasehold Improvements [Member] Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Assets acquired: Business Combination, Recognized Asset Acquired, Asset [Abstract] Other Commitments [Line Items] Other Commitments [Line Items] Exercised (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price After twenty four months After Twenty Four Months [Member] After Twenty Four Months Other stock issuances Sale of Stock, Other Stock Issuances, Consideration Received Per Transaction Sale of Stock, Other Stock Issuances, Consideration Received Per Transaction Accrued expenses Other Accrued Liabilities, Current Schedule of Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Table Text Block] 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] 2026 Director RSUs 2026 Director Awards [Member] 2026 Director Awards Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 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] Business and Basis of Preparation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Compensation and benefits, including stock-based compensation Labor and Related Expense Employee Stock Employee Stock [Member] Asset retirement obligations Oil and Gas, Cost Incurred, Asset Retirement Obligation Basic (in USD per share) Net loss per share, basic (in USD per share) Earnings Per Share, Basic Total current assets Assets, Current Insider Trading Arrangements [Line Items] Long-term debt, net Long-Term Debt, Excluding Current Maturities Institutional Entitlement Offer Institutional Entitlement Offer [Member] Institutional Entitlement Offer Valuation allowance recognized Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Document Annual Report Document Annual Report Number of shareholders Related Party Transaction, Number Of Shareholders Related Party Transaction, Number Of Shareholders Employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Operating lease right-of use assets and lease liabilities Right-of-Use Asset Obtained (Removed) in Exchange for Operating Lease Liability Right-of-Use Asset Obtained (Removed) in Exchange for Operating Lease Liability 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] Debt instrument, prepayment premium, stated percentage Debt Instrument, Prepayment Premium, Stated Percentage Debt Instrument, Prepayment Premium, Stated Percentage Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Working capital deficit Substantial Doubt About Going Concern, Working Capital Surplus (Deficit) Substantial Doubt About Going Concern, Working Capital Surplus (Deficit) Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] EP 76, 98 & 117 EP 76, 98 and
117 [Member] EP 76, 98 and
117 Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Natural gas properties, successful efforts method Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance Letter of credit, facility C Letter Of Credit, Facility C [Member] Letter Of Credit, Facility C Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Unrecorded Unconditional Purchase Obligations Disclosure Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Total net deferred tax assets Deferred Tax Assets, Net Less: Transaction costs Accrued transaction costs Accrued Transaction Costs Accrued Transaction Costs EP 161 EP 161 [Member] EP 161 Plan Name [Axis] Plan Name [Axis] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Schedule of Share-Based Payment Arrangement, Cost by Plan Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Other income (expense), net Other Nonoperating Income (Expense) Total
Tamboran
Resources
Corporation
stockholders’
equity Parent [Member] Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Letter of credit, facility B Letter Of Credit, Facility B [Member] Letter Of Credit, Facility B Issuance of common stock as prepayment of facility fee (in USD per share) Sale Of Stock, Facility Fee, Price Per Share Sale Of Stock, Facility Fee, Price Per Share Entity Address, Country Entity Address, Country Daly Waters Infrastructure, LP (“DWI”) Daly Waters Infrastructure, LP (“DWI”) [Member] Daly Waters Infrastructure, LP (“DWI”) Finance lease, discount rate Lessee, Finance Lease, Discount Rate General and administrative General and Administrative Expense Issuance of common stock pursuant to Subscription Agreement Sale Of Stock, Subscription Agreement, Consideration Received Per Transaction Sale Of Stock, Subscription Agreement, Consideration Received Per Transaction Granted (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted, Weighted-Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted, Weighted-Average Remaining Contractual Term Net unproved properties Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Unproved Properties Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Unproved Properties Less: Net loss attributable to  redeemable noncontrolling interest Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Class of Stock [Domain] Class of Stock [Domain] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Less: Total comprehensive income (loss) attributable to redeemable noncontrolling interest Comprehensive Income (Loss), Net Of Tax, Attributable To Redeemable Noncontrolling Interest Comprehensive Income (Loss), Net Of Tax, Attributable To Redeemable Noncontrolling Interest Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Sturt plateau compression facility (“SPCF”), volume Sturt Plateau Compression Facility (“SPCF”), Contracted, Volume Sturt Plateau Compression Facility (“SPCF”), Contracted, Volume Loan to Group Loans Receivable, Current Loans Receivable, Current Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Consideration transferred Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Letter Of Credit, Facility D Letter Of Credit, Facility D [Member] Letter Of Credit, Facility D Within twelve months Within Twelve Months [Member] Within Twelve Months Finance leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Employee Benefits Compensation Related Costs, Policy [Policy Text Block] Joint venture, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Entity Address, Address Line Three Entity Address, Address Line Three Entity Address, Address Line Two Entity Address, Address Line Two Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Business combination, closing price (in USD per share) Business Combination, Price Per Share Current assets Assets, Current [Abstract] Foreign Currency Translation and Foreign Currency Transactions Foreign Currency Transactions and Translations Policy [Policy Text Block] Entity Address, Address Line One Entity Address, Address Line One Geological and geophysical Oil and Gas, Cost Incurred, Geological And Geophysical Oil and Gas, Cost Incurred, Geological And Geophysical Income tax expense (benefit) Income Tax Expense (Benefit) Payment of performance bond facility establishment fee Payments of Loan Costs Permanent difference Effective Income Tax Rate Reconciliation, Permanent Differences, Percentage Effective Income Tax Rate Reconciliation, Permanent Differences, Percentage Term Loan Term Loan [Member] Term Loan Retention Awards 2024 Plan, Retention Awards [Member] 2024 Plan, Retention Awards Principles of Consolidation Consolidation, Policy [Policy Text Block] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Number of CDI exchanged for one common stock (in shares) Number of Chess Depository Interest ("CDI") Exchanged for One Common Stock Number of Chess Depository Interest ("CDI") Exchanged for One Common Stock 2024 Plan 2024 Plan [Member] 2024 Plan Variable interest entity, primary beneficiary Variable Interest Entity, Primary Beneficiary [Member] Unamortized debt issuance expense Unamortized Debt Issuance Expense Statement [Table] Statement [Table] IPO Awards (Tranche 2) Tranche two Share-Based Payment Arrangement, Tranche Two [Member] Unproved properties Unproved Properties [Member] Unproved Properties Share-Based Payment Arrangement Share-Based Payment Arrangement [Member] Government grant Oil and Gas, Successful Efforts Method, Property and Equipment, Increase (Decrease) Through Government Grant Oil and Gas, Successful Efforts Method, Property and Equipment, Increase (Decrease) Through Government Grant Loss on remeasurement of assets classified as held for sale Impairment, Oil and Gas, Property with Unproved Reserve Oil and Gas, Capitalized Cost [Table] Oil and Gas, Capitalized Cost [Table] Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Australian Bank Bill Swap Rate [Member] Australian Bank Bill Swap Rate