Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Payments for units vested in period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Payments for Units Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Payments for Units Vested in Period Trading Arrangement: Trading Arrangement [Axis] Current tax expense Income Taxes Receivable (Payable), Current Tax Expense (Benefit) Income Taxes Receivable (Payable), Current Tax Expense (Benefit) Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Carrying amount Reported Value Measurement [Member] Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Operating lease, discount rate Lessee, Operating Lease, Discount Rate Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Restricted cash and cash equivalents - long-term Restricted Cash And Cash Equivalents, Fair Value Disclosure Restricted Cash And Cash Equivalents, Fair Value Disclosure Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Type of Reserve [Domain] Type of Reserve [Domain] Purchased in the open market Senior Notes, Purchased In Open Market Senior Notes, Purchased In Open Market 9.75% Senior Notes Nine Point Seven Five Percent Senior Notes Due 2031 [Member] Nine Point Seven Five Percent Senior Notes Due 2031 Common Stock (35,380,429 and 35,298,774 issued and outstanding shares of Common Stock as at June 30, 2026 and December 31, 2025, respectively, par value $0.001 per share), (Note 8) Common Stock, Value, Issued Schedule of Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Oil and Gas Properties Oil and Gas, Full Cost Method, Property and Equipment, after Accumulated Depletion [Abstract] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Edmonton Butane Edmonton Butane [Member] Edmonton Butane WTI CMA Collar - December 2026 WTI CMA Collar - December 2026 [Member] WTI CMA Collar - December 2026 Derivative Instrument [Axis] Derivative Instrument [Axis] Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Current (Note 10) Current income tax expense Current Income Tax Expense (Benefit) Amendment Flag Amendment Flag Current Liabilities Liabilities, Current [Abstract] Prepayment Agreement Prepayment Agreement [Member] Prepayment Agreement Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Lease payments Finance Lease, Principal Payments Current Taxes Payable, Current [Abstract] Schedule of Taxes Receivable/ Payable Components Schedule Of Tax Receivable And Payable Agreement Components [Table Text Block] Schedule Of Tax Receivable And Payable Agreement Components Disposal Group Classification [Axis] Disposal Group Classification [Axis] Additions to property, plant and equipment Increase (Decrease) In Payments to Acquire Oil and Gas Property and Equipment Increase (Decrease) To Payments To Acquire Oil And Gas Property And Equipment Brent Three Way - December 2026 Brent Three Way - December 2026 [Member] Brent 3 Way - December 2026 Loss Contingencies [Table] Loss Contingencies [Table] Total Oil and Gas Properties Oil and Gas, Full Cost Method, Property and Equipment, after Accumulated Depletion Total Long-Term Liabilities Liabilities, Noncurrent Unproved 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] Property, Plant, and Equipment [Abstract] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Title Rights In Lodgepole, Canada Area Title Rights In Lodgepole, Canada Area [Member] Title Rights In Lodgepole, Canada Area Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Asset Acquisition [Axis] Asset Acquisition [Axis] Segment capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Debt service coverage ratio Debt Instrument, Covenant, Debt Service Coverage Ratio Debt Instrument, Covenant, Debt Service Coverage Ratio Long-Term Liabilities Liabilities, Noncurrent [Abstract] Notional amount Derivative, Notional Amount Share Repurchase 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Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] COP Collars - March 2027 COP Collars - March 2027 [Member] COP Collars - March 2027 WTI CMA 3 Way - September 2026 WTI CMA 3 Way - September 2026 [Member] WTI CMA 3 Way - September 2026 Granted (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] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Working interest disposed Disposal Group, Including Discontinued Operation, Working Interest Disposed, Percentage Disposal Group, Including Discontinued Operation, Working Interest Disposed, Percentage Basis of Presentation Basis of Accounting, Policy [Policy Text Block] 2024 Program 2024 Program [Member] 2024 Program Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Revenue from Contract with Customer Revenue from Contract with Customer Benchmark [Member] Brent Put Spread - September 2026 Brent Put Spread - September 2026 [Member] Brent Put Spread - September 2026 Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Borrowing base Line of Credit Facility, Maximum Borrowing Capacity Colombia Colombia Segment [Member] Colombia Segment [Member] Foreign currency translation adjustment Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Current portion of long-term debt (Note 6 and 12) Long-Term Debt, Current Maturities Balance, as at December 31, 2025 Balance, as at June 30, 2026 Income Taxes Receivable (Payable) Income Taxes 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Instrument, Face Amount EXPENSES Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Crude Oil Crude Oil [Member] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Senior Notes [Roll Forward] Senior Notes [Roll Forward] Senior Notes Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Schedule of Taxes Receivable/ Payable Roll Forward Schedule Of Tax Receivable Agreement Roll Forward [Table Text Block] Schedule Of Tax Receivable Agreement Roll Forward Accumulated other comprehensive (loss) gain Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Schedule of Property, Plant and Equipment Property, Plant, and Equipment [Table Text Block] Name Outstanding Recovery, Individual Name NET INCOME (LOSS) PER SHARE Earnings Per 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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] Capitalized costs Oil and Gas, Full Cost Method, Property and Equipment, before Accumulated Depletion Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Income Tax Payable Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Premium (C$/bbl or $/bbl Weighted Average) Derivative, Premium, Price Derivative, Premium, Price 7.75% Senior Notes, due May 2027 (“7.75% Senior Notes”) Seven Point Seven Five Percent Senior Notes Due 2027 [Member] Seven Point Seven Five Percent Senior Notes due 2027 [Member] Total Other Long-Term Assets Other Long Term Assets Other Long Term Assets Concentration Risk [Line Items] Concentration Risk [Line Items] Unrealized derivative instruments loss (gain) (Note 12) Unrealized Gain (Loss) on Derivatives Long-term debt, gross Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] WEIGHTED AVERAGE SHARES OUTSTANDING - DILUTED (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Volume bbl/d Volume, GJ/day Derivative, Nonmonetary Notional Amount, Volume Line of Credit Facility [Table] Line of Credit Facility [Table] Additions to property, plant and equipment (Note 5 and 13) Net cash additions to property, plant and equipment Payments to Acquire Oil and Gas Property and Equipment Underlying Security Market Price Change Underlying Security Market Price Change, Percent Total Property, Plant and Equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Award vesting rights, 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] Operating Segments And Corporate Non Segment Operating Segments And Corporate Non Segment [Member] Operating Segments And Corporate Non Segment Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Accumulated depletion, depreciation and impairment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Lease payments Operating Lease, Payments Letters of credit and other credit support provided Debt Instrument, Collateral, Letters Of Credit And Other Credit Support Provided As Security Debt Instrument, Collateral, Letters of Credit And Other Credit Support Provided As Security Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] COP Collars - May 2027 COP Collars - May 2027 [Member] COP Collars - May 2027 Derecognition of asset retirement obligation Disposal Group, Including Discontinued Operation, Asset Retirement Obligation, Derecognized Disposal Group, Including Discontinued Operation, Asset Retirement Obligation, Derecognized Severance Severance Costs Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation (Note 8) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] WTI CMA Collar - September 2026 WTI CMA Collar - September 2026 [Member] WTI CMA Collar - September 2026 Credit Facility - Canada Credit Facility - Canada [Member] Credit Facility - Canada All Executive Categories All Executive Categories [Member] Cancellation of shares of Common Stock (Note 8) Stock Repurchased and Retired During Period, Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Repayments Repayments Repayments of Long-Term Lines of Credit Number of finance leases Number Of Finance Leases Entered Number Of Finance Leases Entered Derivatives Increase (Decrease) in Derivative Assets and Liabilities Plan Name [Domain] Plan Name [Domain] Vesting [Domain] Vesting 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[Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment and Geographic Reporting Segment Reporting [Text Block] Amount outstanding Outstanding balance on oil prepayment, December 31, 2025 Outstanding balance on oil prepayment, June 30, 2026 Long-Term Line of Credit Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Tisquirama Block Tisquirama Block [Member] Tisquirama Block Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Foreign exchange loss on cash, cash equivalents and restricted cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Debt instrument, percent of principal amount to be paid Debt Instrument, Percent of Principal Amount To Be Paid Debt Instrument, Percent of Principal Amount To Be Paid Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Brent Put Option - September 2026 Brent Put Option - September 2026 [Member] Brent Put Option - September 2026 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] Schedule of Common Stock Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Long-Term Line Of Credit, Prepayment Arrangement [Roll Forward] Long-Term Line Of Credit, Prepayment Arrangement [Roll Forward] Long-Term Line Of Credit, Prepayment Arrangement Exercise Price Award Exercise Price Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] NGL Natural Gas Liquids (NGL) [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report 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] Segments [Domain] Segments [Domain] Number of authorized shares not disclosed Number Of Authorized Shares Not Disclosed Number Of Authorized Shares Not Disclosed Debt and Debt Issuance Costs Debt Disclosure [Text Block] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Collected through sales contracts Income Taxes Receivable (Payable), Collected Through Revenue From Contracts With Customers Income Taxes Receivable (Payable), Collected Through Revenue From Contracts With Customers Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Foreign currency derivative gain Foreign Exchange Contract [Member] EXPENSES Non-segmented expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Estimated delivery, percentage Line Of Credit Facility, Estimated Delivery, Percentage Line Of Credit Facility, Estimated Delivery, Percentage Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Total Shareholders’ Equity Balance, beginning of period Balance, end of period Equity, Attributable to Parent Deferred financing costs Deferred Debt Issuance Cost, Writeoff Disposed of by sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Schedule of Working Capital from Investing Activities Schedule Of Working Capital From Investing Activities [Table Text Block] Schedule Of Working Capital From Investing Activities ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Asset exchange, percentage of working interests transferred Asset Acquisition, Asset Exchange, Percentage Of Working Interests Transferred Asset Acquisition, Asset Exchange, Percentage Of Working Interests Transferred Sold Swap (C$/GJ, Weighted Average) Derivative, Swap Type, Average Fixed Price Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Long-Term Taxes Payable, Noncurrent [Abstract] Taxes Payable, Noncurrent PSUs Performance Share Units [Member] Performance Share Units [Member] Insider Trading Policies and Procedures [Line Items] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Long-term lease obligation Finance Lease, Liability Taxes receivable long-term (Note 4) Taxes Receivable, Noncurrent Taxes Receivable, Noncurrent INTEREST INCOME Interest income Interest Income, Operating Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Proceeds from assets exchange (Note 5) Proceeds from asset exchange transaction Proceeds From Asset Acquisition, Asset Exchange Transaction Proceeds From Asset Acquisition, Asset Exchange Transaction Unamortized Senior Notes discount Debt Instrument, Unamortized Discount, Noncurrent Repayment of debt, cash consideration Repayments Of Long-Term Debt, Cash Consideration Repayments Of Long-Term Debt, Cash Consideration Summary of Oil Prepayment Agreement Schedule of Line of Credit Facilities [Table Text Block] Income tax payable Accrued Income Taxes, Noncurrent Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Deferred (Note 10) Stock-based compensation expense (recovery) Deferred Income Tax Expense (Benefit) Depletion, depreciation and accretion (Note 5) Depletion, depreciation and accretion (Note 5) Depletion, depreciation and accretion (“DD&A”) expenses Oil and Gas, Result of Operation, Depreciation, Depletion, Amortization, and Accretion Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Unproved Unproved - Oil and Gas Properties [Member] Long lived, assets used to produce or oil or gas, unproved. RSUs Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Unamortized debt issuance costs Debt Issuance Costs, Noncurrent, Net All Adjustments to Compensation All Adjustments to Compensation [Member] Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Cash settlement of asset retirement obligation Asset Retirement Obligation, Cash Paid to Settle Debt instrument, discount rate Line Of Credit Facility, Discount Rate Line Of Credit Facility, Discount Rate Shareholders' Equity Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Contract term with suppliers Line Of Credit Facility, Sale And Delivery Of Assets, Term Line Of Credit Facility, Sale And Delivery Of Assets, Term Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Deferred tax assets Deferred Income Tax Assets, Net Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Taxes Receivable and Payable Tax Receivable And Payable Agreement [Text Block] Tax Receivable And Payable Agreement Number of Outstanding Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Impairment of oil and gas properties Impairment, Oil and Gas, Property with Unproved and Proved Reserves City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Property, plant and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Current tax expense Value Added Tax Receivable (Payable), Current Tax Expense (Benefit) Value Added Tax Receivable (Payable), Current Tax Expense (Benefit) Debt instrument, fair value disclosure Debt Instrument, Fair Value Disclosure Long-Term Taxes Receivable, Noncurrent [Abstract] Taxes Receivable, Noncurrent Name Forgone Recovery, Individual Name Weighted average period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unamortized Senior Notes discount Debt Instrument, Unamortized Discount, Current Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Purchased Put (C$/bbl or $/bbl Weighted Average) Derivative, Purchased Put, Price Derivative, Purchased Put, Price Statement [Line Items] Statement [Line Items] Total Assets Assets Disposal Group, Discounted Basis Disposal Group, Discounted Basis [Member] Disposal Group, Discounted Basis (Gain) loss on bond repurchases and exchange (Note 6) Gain (Loss) On Bonds Repurchases And Exchange Gain (Loss) On Bonds Repurchases And Exchange Suroriente Block Suroriente Block [Member] Suroriente block [Member] Reportable Segments Operating Segments [Member] Asset coverage ratio Debt Instrument, Covenant, Asset Service Coverage Ratio Debt Instrument, Covenant, Asset Service Coverage Ratio Energy [Domain] Energy [Domain] Description of Business Nature of Operations [Text Block] PEO PEO [Member] Total Debt Debt, Long-Term and Short-Term, Combined Amount Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Stock-based compensation expense (recovery) Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Right-of-use asset, net Operating Lease And Finance Lease, Right-Of-Use Asset, After Accumulated Amortization Operating Lease And Finance Lease, Right-Of-Use Asset, After Accumulated Amortization Other long-term liabilities (Note 4) Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Shares issued on option exercise (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Simonette Montney Block Simonette Montney Block [Member] Simonette Montney Block Subsequent Event Type [Domain] Subsequent Event Type [Domain] Deficit Retained Earnings [Member] Taxes payable (Note 4) Taxes payable Taxes Payable, Current 7.75% Senior Notes Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Shares issued and outstanding, as at end of period (in shares) Shares issued and outstanding, as at end of period (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] DILUTED (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Brent Three Way - March 2027 Brent Three Way - March 2027 [Member] Brent Three Way - March 2027 Balance, as at December 31, 2025 Balance, as at June 30, 2026 Taxes Receivable (Payable) Taxes Receivable (Payable) Net change in assets and liabilities from operating activities (Note 13) Net changes in assets and liabilities from operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Revenue from Contract with Customer, Product and Service [Extensible Enumeration] Revenue from Contract with Customer, Product and Service [Extensible Enumeration] VAT Receivable Value Added Tax Receivable, Current Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Ownership [Domain] Ownership [Domain] Collected through direct government refunds Income Taxes Receivable (Payable), Collected Through Direct Government Refunds Income Taxes Receivable (Payable), Collected Through Direct Government Refunds Edmonton Propane Edmonton Propane [Member] Edmonton Propane Alberta AECO Alberta AECO [Member] Alberta AECO Prepayment advances Proceeds from Long-Term Lines of Credit Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Gross capital program, initial investment Asset Acquisition, Gross Capital Program, Initial Investment Asset Acquisition, Gross Capital Program, Initial Investment Natural Gas Natural Gas [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Property, plant and equipment Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] OIL, NATURAL GAS AND NGL SALES (Note 9) Oil, natural gas and 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Number Floor price Derivative, Average Floor Price Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Ecuador ECUADOR Weighted Average Exercise Price/Stock Option ($) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Other taxes Taxes, Other Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Senior Notes, December 31, 2025 Senior Notes principal, June 30, 2026 Senior Notes Common stock, shares issued (in shares) Shares issued, beginning of period (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Finance lease, term of contract Lessee, Finance Lease, Term of Contract Asset retirement obligation Asset Retirement Obligations, Noncurrent Equity Components [Axis] Equity Components [Axis] (Increase) decrease in accounts receivable Increase (Decrease) in Accounts Receivable Taxes receivable and payable Increase (Decrease) In Prepaid Taxes And Income Taxes 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liabilities Increase (Decrease) in Accounts Payable and Accrued and Other Long Term Liabilities Increase (Decrease) in Accounts Payable and Accrued and Other Long Term Liabilities Debt instrument, redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Tangible Assets In Seal/Dawson Area Tangible Assets In Seal/Dawson Area [Member] Tangible Assets In Seal/Dawson Area Operating lease, term of contract Lessee, Operating Lease, Term of Contract Withholding taxes paid Income Taxes Receivable (Payable), Withholding Taxes Paid Income Taxes Receivable (Payable), Withholding Taxes Paid 9.50% Senior Notes, due October 2029 (“9.50% Senior Notes”) Nine Point Five Zero Percent Senior Notes Due 2029 [Member] Nine Point Five Zero Percent Senior Notes Due 2029 PEO Name PEO Name Geographical [Axis] Geographical [Axis] Triggering Event [Axis] Triggering Event [Axis] Triggering Event Taxes paid Income Tax Paid, before Refund Received Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Disposal Group, Discount Basis [Domain] Disposal Group, Discount Basis [Domain] Disposal Group, Discount Basis [Domain] All other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Debt instrument, covenant, net debt to ebitda ratio, maximum Debt Instrument, Covenant, Net Debt To EBITDA Ratio, Maximum Debt Instrument, Covenant, Net Debt To EBITDA Ratio, Maximum Interest expense (Note 6) Interest expense Total interest expense recognized Interest Expense, Debt Ecuador Ecuador Segment [Member] Ecuador Segment WTI CMA Three Way - December 2026 WTI CMA Three Way - December 2026 [Member] WTI CMA Three Way - December 2026 Re-purchase of shares of Common Stock (Note 8) Treasury Stock, Value, Acquired, Cost Method Product Concentration Risk Product Concentration Risk [Member] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and cash equivalents and restricted cash and cash equivalents, beginning of period (Note 13) Cash and cash equivalents and restricted cash and cash equivalents, end of period (Note 13) Cash, cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Number of operating leases Number of Operating Leases Entered Number of Operating Leases Entered Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Operating Facility Operating Facility [Member] Operating Facility Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Award Type [Axis] Award Type [Axis] Proved Oil and Gas, Capitalized Cost, before Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance, Proved Property Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Vested on December 31, 2025 Vested on December 31, 2025 [Member] Vested on December 31, 2025 Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Deficit Retained Earnings (Accumulated Deficit) Commodity price derivative (gain) loss Commodity Contract [Member] AECO 5A Swap - September 2026 AECO 5A Swap - September 2026 [Member] AECO 5A Swap - September 2026 Other capital assets Property, Plant, and Equipment, Other, after Accumulated Depreciation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Share Capital Shares of Common Stock Common Stock [Member] Gross capital program Asset Acquisition, Gross Capital Program Asset Acquisition, Gross Capital Program Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Brent Crude Brent Crude [Member] Brent Crude Contractual interest and other financing expenses Interest Expense, Debt, Excluding Amortization Derivative Contract [Domain] Derivative Contract [Domain] Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Prepayment agreements Collaborative Arrangement Disclosure [Text Block] Total Liabilities and Shareholders’ Equity Liabilities and Equity Average brent price per barrel (in dollars per barrel) Ceiling Test Price1 Ceiling Test Price1 Options Share-Based Payment Arrangement, Option [Member] Face amount Debt Instrument, Repurchase Amount, Cash Consideration Debt Instrument, Repurchase Amount, Cash Consideration Short-term debt Debt, Current Rounding adjustment on exchange Senior Notes, Rounding Adjustment On Exchange Senior Notes, Rounding Adjustment On Exchange Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Net present value of future cash flows liquidation, percentage Line Of Credit Facility, Net Present Value of Future Cash Flows Liquidation, Percentage Line Of Credit Facility, Net Present Value of Future Cash Flows Liquidation, Percentage Tabular List, Table Tabular List [Table Text Block] Restricted cash and cash equivalents - long-term 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Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Finance lease, discount rate Lessee, Finance Lease, Discount Rate Other Long-Term Assets Assets, Noncurrent [Abstract] General and administrative General and administrative expenses General and Administrative Expense Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Proved Proved Oil and Gas Properties [Member] Oil and gas properties depletable base under full cost accounting Disposal Group, Discount Basis [Axis] Disposal Group, Discount Basis [Axis] Disposal Group, Discount Basis Principal exchanged for 9.75% Senior Notes Senior Notes, Principal Exchanged Senior Notes, Principal Exchanged Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Collected through sales contracts Value Added Tax Receivable (Payable), Collected Through Revenue From Contracts With Customers Value Added Tax Receivable (Payable), Collected Through Revenue From Contracts With Customers Schedule of Net Changes in Assets and Liabilities Cash Flow, Operating Capital [Table Text Block] Prepaids and inventory Increase (Decrease) In Prepaid Expenses And Inventory Increase (Decrease) In Prepaid Expenses And Inventory Hedging Designation [Domain] Hedging Designation [Domain] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Total Net Taxes Receivable Tax Receivable Agreement [Roll Forward] Tax Receivable Agreement Non-cash interest expense Non-Cash Interest Expense Non-cash Interest Expense Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Gross capital program, term Asset Acquisition, Gross Capital Program, Term Asset Acquisition, Gross Capital Program, Term Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Oil prepayment Increase (Decrease) In Oil Prepayment Proceeds Increase (Decrease) In Oil Prepayment Proceeds Hedging Designation [Axis] Hedging Designation [Axis] Funding commitment Asset Acquisition, Gross Capital Program, Committed Funding Asset Acquisition, Gross Capital Program, Committed Funding Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Assets Assets, Fair Value Disclosure Right-of-use asset, gross Operating Lease And Finance Lease, Right-Of-Use Asset, Before Accumulated Amortization Operating Lease And Finance Lease, Right-Of-Use Asset, Before Accumulated Amortization Long-term debt (Note 6 and 12) Total long-term debt Long-Term Debt and Lease Obligation New Lease Contracts for Power Generating Equipment New Lease Contracts for Power Generating Equipment [Member] New Lease Contracts for Power Generating Equipment Name Measure Name Taxes Income Tax Disclosure [Text Block] Taxes receivable (Note 4) Tax receivable Taxes Receivable, Current Taxes Receivable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Petroleum Reserves [Axis] Petroleum Reserves [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] OTHER INCOME (Note 6) Other income Other Operating Income (Loss) Other Operating Income (Loss) Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Taxes Receivable Taxes Receivable [Abstract] Taxes Receivable Current tax expense Taxes Receivable (Payable), Current Tax Expense (Benefit) Taxes Receivable (Payable), Current Tax Expense (Benefit) Name Trading Arrangement, Individual Name Cash and cash equivalents (Note 13) Cash and cash equivalents Cash and Cash Equivalent CORRA CORRA [Member] CORRA Edmonton Condensate Edmonton Condensate [Member] Edmonton Condensate Derivative instruments (gain) loss (Note 12) Derivative instruments gain (loss) Derivative instruments (gain) loss Gain (Loss) on Derivative Instruments, Net, Pretax Energy [Axis] Energy [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Cancellation of shares of Common Stock (Note 8) Treasury Stock, Retired, Cost Method, Amount Company Selected Measure Amount Company Selected Measure Amount Taxes Payable Taxes Payable [Abstract] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number SOFR Secured Overnight Financing Rate (SOFR) [Member] Credit Facility - Canada And Colombia Credit Facility - Canada And Colombia [Member] Credit Facility - Canada And Colombia Customer 1 Customer 1 [Member] Customer 1 VAT Payable Value Added Tax Payable, Current Value Added Tax Payable, Current Current Assets Assets, Current [Abstract] Collected through sales contracts Taxes Receivable (Payable), Collected Through Revenue From Contracts With Customers Taxes Receivable (Payable), Collected Through Revenue From Contracts With Customers Foreign exchange (loss) gain Value Added Tax Receivable (Payable), Foreign Exchange Gain (Loss) Value Added Tax Receivable (Payable), Foreign Exchange Gain (Loss) Derivatives (Note 12) Commodity derivatives - current Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One INCOME TAX EXPENSE (RECOVERY) Income tax expense Income Tax Expense (Benefit) Foreign exchange loss Foreign exchange loss Gain (Loss), Foreign Currency Transaction, before Tax Mandatory redemption amount Long-Term Debt, 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of property, plant and equipment (Note 5) Proceeds from Sale of Property, Plant, and Equipment Year Two Share-Based Payment Arrangement, Tranche Two [Member] Oil and natural gas properties Oil and Gas Properties [Member] Non-segmented expenses Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Other Property, Plant and Equipment, Other Types [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Accounts receivable and other long-term assets Increase (Decrease) in Receivables Triggering Event [Domain] Triggering Event [Domain] Triggering Event Unrealized foreign exchange loss Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] 2025 Program 2025 Program [Member] 2025 Program Oil Sales [Member] Oil Sales