Document And Entity Information
Adjusted Above Margin [Member]
Adjusted above Margin
Dilutive warrants and unvested stock options (in shares)
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements and warrants using the treasury stock method.
us-gaap_DerivativeGainLossOnDerivativeNet
(Gain) loss on derivative instruments, net
Gain (loss) on derivative instruments, net
Note To Financial Statement Details Textual
hpk_DebtInstrumentOptionalPrepaymentPercentageOfPrincipal
Debt Instrument, Optional Prepayment, Percentage of Principal
The percentage of principal allowed to be used for prepayment toward the debt instrument
Significant Accounting Policies
Income tax expense at U.S. federal statutory rate
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies
Note 4 - Fair Value Measurements
Note 5 - Derivative Financial Instruments
Adjusted SOFR [Member]
An interest rate that is equal to the sum of the SOFR.
Note 6 - Exploratory Extension Well Costs
us-gaap_OilAndGasJointInterestBillingReceivables
Oil and Gas Joint Interest Billing Receivables
hpk_DebtInstrumentDiscountPercentage
Debt Instrument Discount Percentage
Debt instrument, discount percentage.
Note 7 - Long-term Debt
Noncurrent liabilities:
Not Designated as Hedging Instrument [Member]
Note 8 - Asset Retirement Obligations
hpk_StockIssuedDuringPeriodSharesWarrantExercises
Stock Issued During Period, Shares, Warrant Exercises
The number of shares issued during the period for warrant exercises.
Note 9 - Incentive Plans
Note 10 - Commitments and Contingencies
Income Tax Disclosure [Text Block]
Note 13 - Income Taxes
Note 14 - Earnings Per Share
Hedging Designation [Axis]
hpk_DebtInstrumentCovenantPriorityFacilityLimit
Debt Instrument, Covenant, Priority Facility Limit
The amount of priority facility limit under the covenant of the debt instrument.
Note 16 - Subsequent Events
Hedging Designation [Domain]
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited)
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_AccumulatedAmortizationDeferredFinanceCosts
Accumulated Amortization, Debt Issuance Costs
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Other Property and Equipment, Net (Details)
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Reportable Segments (Details)
Supply Commitment [Axis]
Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details)
Supply Commitment Arrangement [Domain]
Note 5 - Derivative Financial Instruments - Summary of the Effect of Derivatives on the Condensed Consolidated Statements of Operations (Details)
Note 5 - Derivative Financial Instruments - Price Risk Derivative Contracts (Details)
Note 5 - Derivative Financial Instruments - Net Derivative Liabilities By Counterparty (Details)
us-gaap_BusinessCombinationConsiderationTransferred1
Business Combination, Consideration Transferred
Price per Bbl (in USD per Barrel of Oil)
Note 6 - Exploratory Extension Well Costs - Exploratory Well Costs (Details)
Note 7 - Long-term Debt - Long-term Debt (Details)
June 1, 2022 [Member]
Represents June 1, 2022.
Note 8 - Asset Retirement Obligations - Asset Retirement Obligations Activity (Details)
Note 9 - Incentive Plans - Number of Shares Available for Grant Pursuant to Long-term Incentive Plan (Details)
us-gaap_DerivativeSwapTypeFixedPrice
Derivative, Swap Type, Fixed Price (in USD per Millions of British Thermal Unit)
Note 9 - Incentive Plans - Stock Options Activity (Details)
Note 10 - Commitments and Contingencies - Operating Lease Obligations (Details)
Accrued capital expenditures
Carrying value as of the balance sheet date of obligations incurred through that date and payable for capital expenditures. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Note 13 - Income Taxes - Income Tax Benefit and Effective Tax Rate (Details)
Note 13 - Income Taxes - Effective Income Tax Rate Reconciliation (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details)
June 1, 2021 [Member]
Represents June 1, 2021.
Note 14 - Earnings Per Share - Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details)
Note 16 - Subsequent Events - Schedule Of Natural Gas Derivative Instruments (Details)
Derivative instruments
us-gaap_DerivativeLiabilitiesCurrent
derivatives liability – current
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Net Capitalized Costs (Details)
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Cost Incurred in Oil and Natural Gas Property Acquisition, Exploration and Development (Details)
Crude Oil Sales [Member]
Represents information regarding crude oil sales.
hpk_NetCashReceiptsFromPaymentsOnDerivatives
Cash paid on settlement of derivative instruments
Cash paid on settlement of derivative instruments, net
The amount of net cash receipts from payments on derivatives.
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Results of Operating for Oil, Natural Gas and NGL Producing Activities (Details)
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Changes in Proved and Unproven Reserves (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Quantities of Proved Developed and Undeveloped Reserves (Details)
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Standardized Measure of Discounted Future of Net Cash Flows (Details)
Note 17 - Supplemental Crude Oil and Natural Gas Disclosures (Unaudited) - Changes in Standardized Measure of Discounted Future (Details)
Notes To Financial Statements
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Notes To Financial Statements [Abstract]
Natural Gas and NGL Sales [Member]
Represents information regarding natural gas and NGL sales.
Vest, remaining term (Year)
Exercisable, options (in shares)
Current maturities of long-term debt
Less current maturities of long-term debt
Exercisable, weighted average exercise price (in dollars per share)
Exercisable, intrinsic value
Vested, options (in shares)
Vest, weighted average exercise price (in dollars per share)
Vest, intrinsic value
Exercisable remaining term (Year)
Commodity Contract [Member]
Outstanding, term (Year)
Outstanding, intrinsic value
TXU Energy Retail Company LLC [Member]
Represents TXU Energy Retail Company LLC.
Retirement Plan Name [Axis]
hpk_DebtInstrumentCovenantHedgedNotionalAmountsLessThanMaximumEBITDAXMinimumPercentageOfProjectedProduction
Debt Instrument, Covenant, Hedged Notional Amounts, Less than Maximum EBITDAX, Minimum Percentage of Projected Production
Minimum percentage of projected production for hedged notional amounts if less than maximum EBITDAX required by covenant of the debt instrument.
Retirement Plan Name [Domain]
hpk_DebtInstrumentCovenantMinimumAvailabilityPercentageForDividendAndDistributions
Debt Instrument, Covenant, Minimum Availability Percentage for Dividend and Distributions
Minimum percentage of availability required for dividends and distributions under the covenant of the debt instrument.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
hpk_DebtInstrumentCovenantHedgedNotionalAmountsGreaterThanMaximumEBITDAXMinimumPercentageOfProjectedProduction
Debt Instrument, Covenant, Hedged Notional Amounts, Greater than Maximum EBITDAX, Minimum Percentage of Projected Production
Minimum percentage of projected production for hedged notional amounts if greater than maximum EBITDAX required by covenant of the debt instrument.
us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Accounts Payable and Accrued Liabilities, Current, Total
Volume (MBbls) (Barrel of Oil)
Forfeitures, weighted average exercise price (in dollars per share)
us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Derivative, Nonmonetary Notional Amount, Energy Measure (Millions of British Thermal Unit)
June 1, 2023 [Member]
Represents June 1, 2023.
Awards granted, weighted average exercise price (in dollars per share)
Exercised, weighted average exercise price (in dollars per share)
hpk_DebtInstrumentCovenantReducedBorrowingBaseMinimumPercentageOfPrincipal
Debt Instrument, Covenant, Reduced Borrowing Base, Minimum Percentage of Principal
Minimum percentage of principal to reduce the borrowing base under covenant of the debt instrument.
hpk_DebtInstrumentRestrictionOnBorrowingsMinimumNetProceedsFromEquitySecurities
Debt Instrument, Restriction on Borrowings, Minimum Net Proceeds From Equity Securities
Minimum amount of proceeds from sale of equity securities required to be received for restriction on borrowings of debt instrument to be lifted.
Accrued interest
Existing Stockholders [Member]
Represents existing stockholders.
Public Stock Offering [Member]
Represents public stock offering.
Revolving Credit Facility [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Shares subject to awards issued under plan (in shares)
Outstanding, options (in shares)
Outstanding, options (in shares)
Credit Facility [Axis]
Credit Facility [Domain]
Other accrued liabilities
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Proceeds from sales of properties
us-gaap_PaymentsToAcquireOtherProductiveAssets
Other property additions
us-gaap_StockIssued1
Stock issued for acquisitions
Shares available for future grant (in shares)
Revenues and royalties payable
Dilutive unvested restricted stock (in shares)
Supplemental disclosure of non-cash transactions:
Crude Oil, Natural Gas and Natural Gas Liquids [Member]
Represents information regarding crude oil, natural gas and natural gas liquids.
Approved and authorized shares (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
Weighted average shares outstanding:
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Grantee Status [Domain]
Accounts Payable and Accrued Liabilities, Policy [Policy Text Block]
Disclosure for accounts payable and accrued liabilities.
Grantee Status [Axis]
Accounts payable – trade
us-gaap_PaymentsToAcquireOilAndGasPropertyAndEquipment
Payments to Acquire Oil and Gas Property and Equipment
us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties
Additions to crude oil and natural gas properties
Current liabilities:
us-gaap_InterestPaid
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
us-gaap_PaymentsToAcquireOilAndGasProperty
Acquisitions of crude oil and natural gas properties
us-gaap_Assets
Total assets
Total assets
Supplemental cash flow information:
Energy Transfer Crude Marketing, LLC [Member]
Relating to Energy Transfer Crude Marketing, LLC.
Plan Name [Axis]
Plan Name [Domain]
hpk_DebtInstrumentCovenantDividendsAndDistributionsLimit
Debt Instrument, Covenant, Dividends and Distributions Limit
Maximum amount of dividends and distributions due to a debt covenant.
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Crude oil and natural gas production
Lease operating expenses
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Basic earnings attributable to common stockholders
Field Equipment [Member]
Represents information regarding field equipment.
us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted
Diluted net income attributable to common stockholders
Share Repurchase Program [Member]
Relating to a share repurchase program.
Reallocation of participating earnings
O, 2023, Q1, Dividend Equivalent, Dividends [Member]
Represents 2023 Q1 dividend equivalents.
O, 2023, Q1, Dividends [Member]
Represents 2023 Q1 dividends.
hpk_OilAndNaturalGasMarketingContractsTermOverWhichConsiderationIsReceivedFromPurchaser
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser (Month)
Represents the term over which consideration is received from the purchaser under oil and natural gas marketing contracts.
us-gaap_IncomeTaxReceivable
Income Taxes Receivable
Share-Based Payment Arrangement [Text Block]
O, 2023, Q3, Dividend Equivalent, Dividends [Member]
Represents 2023 Q3 dividends equivalents.
O, 2023, Q3, Dividends [Member]
Represents 2023 Q3 dividends.
Second Largest Purchaser [Member]
Represents second largest purchaser.
us-gaap_ContractWithCustomerAssetNet
Contract with Customer, Asset, after Allowance for Credit Loss
us-gaap_PrepaidExpenseCurrentAndNoncurrent
Prepaid Expense
O, 2024, Q4, Dividend Equivalent, Dividends [Member]
Represents 2024 Q4 dividend equivalents.
O, 2024, Q4, Dividends [Member]
Represents 2024 Q4 dividends.
Business Description and Basis of Presentation [Text Block]
Award Type [Domain]
Award Date [Axis]
Award Date [Domain]
us-gaap_ContributionsInAidOfConstruction
Contributions in Aid of Construction
Net loss
Net income
Basis of Presentation and Significant Accounting Policies [Text Block]
Award Type [Axis]
hpk_DefinedContributionPlanPeriodOfEmploymentForEligibility
Defined Contribution Plan, Period of Employment for Eligibility (Month)
Represents the period of time employees must be continuously employed before they are eligible to participate in the defined contribution plan.
Shares Available Under Long-term Incentive Plan [Table Text Block]
Tabular disclosure of shares available under a long-term incentive plan.
The 2020 Long-term Incentive Plan [Member]
Represents information related to the 2020 Long-term Incentive Plan.
hpk_CapitalizedExploratoryWellCostsMaximumTerm
Capitalized Exploratory Well Costs, Maximum Term (Year)
Represents the maximum term for which all capitalized exploratory well costs have been capitalized.
Restricted Stock [Member]
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Commitments and Contingencies Disclosure [Text Block]
Other property and equipment, net
Other property and equipment, net
us-gaap_Dividends
Dividends
hpk_SupplyCommitmentTonsOfSandRemaining
Supply Commitment, Tons of Sand Remaining
The tons of sand remaining under supply commitment.
hpk_SupplyCommitmentTonsOfSandReceived
Supply Commitment, Tons of Sand Received
The tons of sand received under supply commitment.
Derivative assets
Total assets
Schedule of Price Risk Derivatives [Table Text Block]
us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Participating basic earnings (a)
Lion Oil Trading and Transportation, LLC [Member]
Represents Lion Oil Trading and Transportation, LLC.
O, 2024, Q1, Dividend Equivalent, Dividends [Member]
Represents the 2024 Q1 dividend equivalent.
Derivative Instrument [Axis]
O, 2024, Q1, Dividends [Member]
Represents the 2024 Q1 dividends.
Derivative Contract [Domain]
O, 2023, Q2, Dividend Equivalent, Dividends [Member]
Represents the 2023 Q2 dividend equivalents.
CASH FLOWS FROM INVESTING ACTIVITIES:
O, 2023, Q2, Dividends [Member]
Represents the 2023 Q2 dividends.
O, 2024, Q2, Dividend Equivalent, Dividends [Member]
Represents the 2024 Q2 dividend equivalent.
O, 2024, Q2, Dividends [Member]
Represents the 2024 Q2 dividends.
Earnings per share:
Earnings Per Share [Text Block]
O, 2023, Q4, Dividend Equivalent, Dividends [Member]
Represents the 2023 Q4 dividend equivalent.
O, 2023, Q4, Dividends [Member]
Represents the 2023 Q4 dividends.
O, 2024, Q3, Dividend Equivalent, Dividends [Member]
Represents the 2024 Q3 dividend equivalent.
O, 2024, Q3, Dividends [Member]
Represents the 2024 Q3 dividends.
Accounts payable, accrued liabilities and other current liabilities
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
Related Party Transactions Disclosure [Text Block]
Provision for income taxes
Provision for income taxes
Total income tax expense
us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Noncash gain (loss) on derivative instruments, net
(Loss) gain on derivative instruments, net
Largest Purchaser [Member]
Related to largest purchaser.
Prepaid Expense [Policy Text Block]
Disclosure for the accounting policy for prepaid expense.
Employee Directors [Member]
Related to employee directors.
Contractual Equity-based Bonus [Member]
Related to contractual equity-based bonus.
Pilot Exploration Inc. [Member]
Related to Pilot Exploration Inc.
Water Treatment Services [Member]
Related to water treatment services.
us-gaap_OperatingExpenses
Total expenses
Senior Unsecured Notes Due 2024 [Member]
Related to senior unsecured notes due 2024.
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
us-gaap_GeneralAndAdministrativeExpense
General and administrative expenses, including stock-based comp
Texas Margin Tax [Member]
Relating to Texas margin tax.
us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Flat Top Operating Area [Member]
Related to Flat Top operating area.
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Cash and cash equivalents
Production and ad valorem taxes
Production and ad valorem taxes
Production and ad valorem taxes
us-gaap_InterestExpenseOperating
Interest expense, net
Stock-based compensation
Share-Based Payment Arrangement, Expense
Additions to asset retirement obligations
Accretion expense
Accretion of discount
Accretion of discount
Amendment Flag
dei_CityAreaCode
City Area Code
Use of Estimates, Policy [Policy Text Block]
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common Stock, Shares, Outstanding (in shares)
Common Stock, Shares, Outstanding, Ending Balance (in shares)
Preferred stock, shares outstanding (in shares)
Exercise of warrants
Value of stock issued for exercise of warrants.
Exercise of warrants (in shares)
Shares of stock issued for exercise of warrants.
Current Fiscal Year End Date
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
Advances from joint interest owners
Amount of advances from joint interest owners for costs incurred on joint interest wells.
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
hpk_DividendEquivalentsCash
Dividend equivalents declared on outstanding stock options
Amount of paid and unpaid cash dividends equivalents declared for classes of stock, for example, but not limited to, common and preferred.
Dividend Equivalents, Per Share, Declared (in dollars per share)
Aggregate dividend equivalents declared during the period for each share of stock outstanding.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses, inventory and other assets
Document Fiscal Period Focus
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
dei_DocumentPeriodEndDate
Document Period End Date
Liabilities assumed in acquisitions
Amount of asset retirement obligations liabilities assumed during the period.
dei_EntityFileNumber
Entity File Number
dei_EntityExTransitionPeriod
Entity Ex Transition Period
us-gaap_DividendsCash
Dividends declared
Fifth Third Bank, National Association [Member]
Information pertaining Fifth Third Bank, National Association.
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
dei_DocumentType
Document Type
Loss on extinguishment of debt
Loss on extinguishment of debt
Entity Small Business
dei_EntityShellCompany
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
dei_EntityPublicFloat
Entity Public Float
Entity Filer Category
Debt Instrument [Axis]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
Debt Instrument, Name [Domain]
dei_EntityVoluntaryFilers
Entity Voluntary Filers
dei_EntityWellKnownSeasonedIssuer
Entity Well-known Seasoned Issuer
hpk_DebtInstrumentCovenantMaximumTotalDebtToEbitdaxRatio
Debt Instrument, Covenant, Maximum Total Debt to EBITDAX Ratio
The maximum total debt to EBITDAX ratio required by the debt agreement.
Variable Rate [Domain]
hpk_SupplyCommitmentMinimumVolumeCommitment
Supply Commitment, Minimum Volume Commitment
Represents the minimum volume commitment on a supply commitment.
Schedule of Long-Term Debt Instruments [Table Text Block]
The 401K Plan [Member]
Information pertaining to the 401K plan.
hpk_ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergyIncreaseInOperatingExpenses
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy), Increase in Operating Expenses
Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to an increase in operating expenses resulting from price differentials from oil, natural gas and NGL prices.
Variable Rate [Axis]
hpk_OilAndGasReservesAquired
Oil and Gas Reserves Aquired
The amount of energy of oil and gas reserves acquired.
hpk_DebtInstrumentCovenantMinimumCurrentRatio
Debt Instrument, Covenant, Minimum Current Ratio
The minimum current ratio required by the debt agreement.
Compensation costs included in net loss
Exploration and abandonment expense
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
Entity Tax Identification Number
Entity Central Index Key
dei_EntityRegistrantName
Entity Registrant Name
Entity [Domain]
Customer Concentration Risk [Member]
hpk_OilAndGasReservesProvedReserveAssetsSold
Oil and Gas Reserves, Proved Reserve Assets Sold
The proved reserve assets sold under oil and gas reserves.
Legal Entity [Axis]
dei_EntityAddressAddressLine1
Entity Address, Address Line One
us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
Stock issuance costs
Senior Unsecured Notes and Revolving Credit Facility [Member]
Related to senior unsecured notes and revolving credit facility.
us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities
Less: accumulated depletion
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
dei_EntityAddressCityOrTown
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
dei_EntityAddressPostalZipCode
Entity Address, Postal Zip Code
hpk_PaymentsOfDividendsEquivalents
Dividend equivalents paid
Cash outflow in the form of dividends equivalents to common shareholders, preferred shareholders and noncontrolling interests.
dei_EntityAddressStateOrProvince
Entity Address, State or Province
Concentration Risk Type [Axis]
Aid-in-construction [Member]
Represents activities related to aid-in-construction.
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Domain]
Material Terms of Trading Arrangement [Text Block]
Outside Directors [Member]
Information pertaining to outside directors.
Other Non-current Assets, Aid-in-Construction Assets, Policy [Policy Text Block]
Disclosure of accounting policy for other non current assets, aid-in-construction assets.
hpk_AccumulatedAmortizationDebtDiscount
Accumulated Amortization, Debt Discount
Amount of accumulated amortization of debt discount.
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Repurchased shares under buyback program
Stock Repurchased and Retired During Period, Value
us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Repurchased shares under buyback program (in shares)
Stock Repurchased and Retired During Period, Shares
hpk_NumberOfBarrelsDelivered
Number of Barrels, Delivered (Barrel of Oil)
Represents the number of barrels that have been delivered.
Hannathon Petroleum, LLC Property [Member]
Related to Hannathon Petroleum, LLC property.
Revenue Benchmark [Member]
us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross
Total capitalized costs
Long-Term Debt [Text Block]
hpk_StockIssuedDuringPeriodSharesWarrantsAndStockOptionsExercised
Stock Issued During Period, Shares, Warrants and Stock Options Exercised (in shares)
The number of shares issued during the period for the exercise of warrants and stock options.
Trading Symbol
Unproved properties
us-gaap_CapitalizedCostsUnprovedProperties
Proved properties
us-gaap_CapitalizedCostsProvedProperties
Concentration Risk Benchmark [Axis]
us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet
Net capitalized costs
Concentration Risk Benchmark [Domain]
Stock issued for acquisitions (in shares)
Stock Issued During Period, Shares, Acquisitions
dei_LocalPhoneNumber
Local Phone Number
Stock issued for acquisitions
Stock Issued During Period, Value, Acquisitions
Shares issued upon options being exercised (in shares)
Exercised, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)
us-gaap_TableTextBlock
Notes Tables
hpk_SupplyCommitmentMinimumTonsOfSand
Supply Commitment, Minimum Tons of Sand (US Ton)
The minimum tons of sand under supply commitment.
Restricted shares issued (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares)
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Shares issued upon options being exercised
us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Line of Credit Facility, Current Borrowing Capacity
hpk_OilAndGasExploratoryWellDrilledCompletionGrossNumber
Oil and Gas, Exploratory Well Drilled, Completion, Gross, Number
Gross number of exploratory oil and gas wells at stage of completion.
Restricted shares issued
hpk_OilAndGasProvedUndevelopedReservessWellDrilledNetProductiveNumber
Oil and Gas, Proved Undeveloped Reserves, Well Drilled, Net Productive, Number
Number of proved undeveloped oil and gas wells capable of producing either oil or gas in sufficient quantity to justify completion as oil or gas well.
us-gaap_LineOfCreditFacilityCommitmentFeeAmount
Line of Credit Facility, Commitment Fee Amount
hpk_OilAndGasProvedUndevelopedReservesWellDrilledGrossNumber
Oil and Gas, Proved Undeveloped Reserves, Well Drilled, Gross, Number
Gross number of proved undeveloped oil and gas wells.
hpk_ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergyWellPerformance
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy), Well Performance
Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from the well performance.
Sand Commitments [Member]
Related to sand commitments.
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
hpk_SupplyCommitmentMinimumBarrelsOfProducedWater
Supply Commitment, Minimum Barrels of Produced Water
The minimum barrels of produced water under supply commitment.
hpk_OilAndGasEstimatedRealizedPrice
Oil and Gas, Estimated Realized Price
Estimated realized price per unit of oil and gas produced.
Acquisitions [Text Block]
The entire disclosure for acquisitions.
hpk_OilAndGasExploratoryWellDrilledProductionGrossNumber
Oil and Gas, Exploratory Well Drilled, Production, Gross, Number
Gross number of exploratory oil and gas wells on production.
General and administrative
Additions to exploratory/extension well costs
hpk_CostsIncurredOilAndGasPropertyAcquisitionAssetRetirementObligation
Asset retirement obligations, net
Amount of asset retirement obligation incurred related to oil and gas property acquisition.
hpk_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesNet
Total costs incurred
Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense, and net of asset retirement obligations.
Oil and Gas, Capitalized Cost [Table Text Block]
us-gaap_CapitalizedExploratoryWellCosts
Beginning capitalized exploratory/extension well costs
Ending capitalized exploratory/extension well costs
Awards granted, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
hpk_ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergyPriceDifferentials
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy), Price Differentials
Energy measure of increase (decrease) in quantity of proved reserve of oil and gas related to revision of a previous estimate resulting from price differentials from oil, natural gas and NGL prices.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeitures, options (in shares)
Changes in working capital associated with oil and gas property additions
The amount of increase (decrease) in working capital associated with oil and natural gas property additions.
us-gaap_CapitalizedExploratoryWellCostChargedToExpense1
Exploratory/extension well costs charged to exploration and abandonment expense
us-gaap_ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves
Reclassification to proved properties
Line of Credit Facility, Lender [Domain]
Natural Gas Reserves, Non-producing [Member]
Represents the non-producing natural gas reserves.
Natural Gas Liquids Reserves, Non-producing [Member]
Represents the non-producing natural gas liquids reserves.
hpk_OilAndGasExploratoryWellDrilledProductionNetNumber
Oil and Gas, Exploratory Well Drilled, Production, Net, Number
The net number of oil and gas wells on production.
The 10.625% Senior Notes [Member]
Related to the 10.625% seniro notes.
hpk_OilAndGasExploratoryWellDrilledCompletionNetNumber
Oil and Gas, Exploratory Well Drilled, Completion, Net, Number
The net number of oil and gas wells at stage of completion.
Stock issued (in shares)
Stock Issued During Period, Shares, New Issues
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Schedule of Proved Developed and Undeveloped Reserve [Table Text Block]
Tabular disclosure of proved developed and undeveloped reserve.
Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward [Table Text Block]
us-gaap_SegmentReportingOtherItemAmount
Other segment items(1)
Lender Name [Axis]
Oil Reserves, Non-producing [Member]
Represents the non-producing oil reserves.
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Stock issued
Stock Issued During Period, Value, New Issues
Exploratory Well Costs [Text Block]
The entire disclosure for exploratory well costs.
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Retained earnings
Exploration and abandonments
Revision of estimates (a)
us-gaap_InterestExpense
Interest expense
Liabilities incurred from new wells
Derivative Instruments, Gain (Loss) [Table Text Block]
us-gaap_AssetRetirementObligationLiabilitiesSettled
Liabilities divested
Asset Retirement Obligation Disclosure [Text Block]
Changes in operating assets and liabilities:
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Operating leases
us-gaap_OperatingLeaseLiabilityNoncurrent
Operating Lease, Liability, Noncurrent
Subsequent Event [Member]
Present value of lease liabilities
us-gaap_OperatingLeaseLiability
Operating Lease, Liability, Total
Operating leases
Operating Lease, Liability, Current
Subsequent Event Type [Axis]
us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Subsequent Event Type [Domain]
Subsequent Events [Text Block]
us-gaap_OperatingLeaseRightOfUseAsset
Operating Lease, Right-of-Use Asset
us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less present value discount
Provision for deferred income taxes
Deferred income tax expense
Oil and Gas [Policy Text Block]
S2025 Q1 Dividends [Member]
The special dividends for Q1 of 2025.
Electric Power Infrastructure [Member]
Related to electric power infrastructure.
2025
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2026
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Segment Reporting, Policy [Policy Text Block]
us-gaap_DerivativeAssetsNoncurrent
Derivative instruments
Share-Based Payment Arrangement, Employee [Member]
Other noncurrent assets
Stock-based compensation expense
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Lessee, Leases [Policy Text Block]
Share-Based Payment Arrangement, Nonemployee [Member]
Amortization of discounts on long-term debt
Amortization of Debt Discount (Premium)
Income Tax, Policy [Policy Text Block]
Depletion, depreciation and amortization
Depletion, depreciation and amortization expense
Schedule of Derivative Assets and Liabilities By Counterparty [Table Text Block]
Tabular disclosure for the schedule of derivative assets and liabilities by counterparty.
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_RedemptionPremium
Redemption Premium
us-gaap_OilAndGasPropertySuccessfulEffortMethodNet
Total crude oil and natural gas properties, net
us-gaap_AssetsCurrent
Total current assets
Share-Based Payment Arrangement [Policy Text Block]
Equity [Text Block]
Common stock, $0.0001 par value, 600,000,000 shares authorized, 126,067,436 and 128,420,923 shares issued and outstanding at December 31, 2024 and 2023, respectively
Adjustments to reconcile net income to net cash provided by operations:
Measurement Frequency [Axis]
Measurement Frequency [Domain]
Fair Value, Recurring [Member]
Crude Oil Delivery Commitments [Member]
Represents information related to Crude OIl Delivery Commitments.
Common stock, shares authorized (in shares)
Common Stock, Shares, Issued (in shares)
Common stock, par value (in dollars per share)
hpk_SupplyCommitmentGrossBarrelsOfOilDeliveredPerDayRemainingTermOfContract
Supply Commitment, Gross Barrels of Oil Delivered Per Day, Remaining Term of Contract (Barrel of Oil)
Represents gross barrels of oil delivered per day for remaining term of contract under supply commitment.
Revenue from Contract with Customer [Policy Text Block]
Derivative instruments
Derivative assets, current
hpk_SupplyCommitmentRemainingTermOfContract
Supply Commitment, Remaining Term of Contract (Year)
Represents remaining term of contract for supply commitment.
us-gaap_DeferredTaxAssetsValuationAllowance
Less: Valuation allowance
Deferred Tax Assets, Valuation Allowance
Statistical Measurement [Domain]
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
Asset Retirement Obligation [Policy Text Block]
us-gaap_DeferredTaxAssetsNet
Deferred tax assets
Statistical Measurement [Axis]
Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding at December 31, 2024 and 2023
Debt, Policy [Policy Text Block]
hpk_SupplyCommitmentAmountCommitted
Supply Commitment, Amount Committed
Represents amount committed for supply commitment.
Preferred Stock, Shares Issued (in shares)
Cash paid for interest
Prepaid expenses
Cash paid for income taxes
Other
Geographical [Axis]
Geographical [Domain]
us-gaap_DeferredTaxAssetsGross
Deferred Tax Assets, Gross
Property, Plant and Equipment [Table Text Block]
Preferred stock, shares authorized (in shares)
us-gaap_DeferredIncomeTaxLiabilities
Deferred tax liabilities
us-gaap_InventoryLIFOReserve
Inventory, LIFO Reserve
Inventory
Preferred stock, par value (in dollars per share)
us-gaap_InventoryRawMaterialsAndSupplies
Inventory, Raw Materials and Supplies, Gross, Total
Fair Value, Inputs, Level 3 [Member]
Fair Value Hierarchy and NAV [Domain]
Unrecognized derivative losses, net
Customer [Axis]
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value Hierarchy and NAV [Axis]
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Axis]
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life (Year)
Cumulative Effect, Period of Adoption, Adjustment [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Schedule of Segment Reporting Information, by Segment [Table Text Block]
hpk_DebtInstrumentCovenantMinimumCashThresholdForPrepaymentToBeDue
Debt Instrument, Covenant, Minimum Cash Threshold for Prepayment to be Due
The minimum amount of cash threshold for debt prepayments to become due required by the debt agreement.
Statement [Line Items]
Accounts receivable
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Furniture and Fixtures [Member]
Additional paid-in capital
Interest expense limitations
Operating Revenues:
Building [Member]
Stockholders’ equity:
Land [Member]
Leasehold Improvements [Member]
WTG Gas Processing, L.P. [Member]
Represents the WTG Gas Processing, L.P.
Other expense
Property, Plant and Equipment, Policy [Policy Text Block]
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
srt_AverageSalesPrices
Oil and Gas, Average Sale Price Per Unit
Chief Operating Officer [Member]
Net operating loss carryforwards
Chief Financial Officer [Member]
Chief Executive Officer [Member]
Current assets:
Fair Value Disclosures [Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Inventory, Policy [Policy Text Block]
Interest income
Private Placement [Member]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net (decrease) increase in cash and cash equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by financing activities
Commitments and Contingencies
Sale of Stock [Axis]
Sale of Stock [Domain]
Asset retirement obligations
us-gaap_OperatingIncomeLoss
Income from operations
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Alamo Acquisitions [Member]
Relating to the Alamo Acquisitions.
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_DeferredTaxLiabilities
Net deferred tax liabilities
Base Rate [Member]
Counterparty Name [Axis]
Counterparty Name [Domain]
Deferred income taxes
Deferred Income Tax Liabilities, Net
Consolidation Items [Domain]
Derivatives, Policy [Policy Text Block]
us-gaap_DerivativeLiabilities
Total liabilities
Derivative liabilities
Consolidation Items [Axis]
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total
us-gaap_DeferredTaxLiabilitiesDerivatives
Unrecognized derivative losses, net
us-gaap_PaymentsOfStockIssuanceCosts
Stock offering costs
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Mercuria Energy Trading SA [Member]
Mercuria Energy Trading SA
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Crude oil and natural gas properties, principally due to differences in basis and depreciation and the deduction of intangible drilling costs for tax purposes
Wells Fargo Bank, National Association [Member]
Wells Fargo Bank, National Association
us-gaap_LettersOfCreditOutstandingAmount
Letters of Credit Outstanding, Amount
us-gaap_PaymentsOfDebtExtinguishmentCosts
Premium on extinguishment of debt
Macquarie Bank Limited [Member]
Macquarie Bank Limited
us-gaap_PaymentsOfDividends
Dividends paid
Payments of Dividends
President [Member]
us-gaap_CostsAndExpenses
Total operating costs and expenses
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows
Future net cash flows
srt_DecreaseDueToSalesOfMineralsInPlace
Sales of reserves-in-place
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows
Future cash inflows
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts
Future development costs (1)
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts
Future production costs
Operating Costs and Expenses:
us-gaap_PaymentsForRepurchaseOfCommonStock
Repurchased shares under buyback program
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense
Future income tax expense
Net changes in timing of production and other
Scenario [Domain]
Proceeds from exercises of warrants
Forecast [Member]
srt_StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
Standardized measure of discounted future net cash flows (1)
Standardized measure of discounted future net cash flows, beginning of year
Standardized measure of discounted future net cash flows, end of year (3)
Retained Earnings [Member]
Proceeds from issuance of common stock
Revisions of previous quantity estimates
srt_StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount
Accretion of discount
us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization
Accumulated depletion, depreciation and amortization
Total operating revenues
Total operating revenues
Proceeds from exercises of stock options
Net changes in income taxes (1)
Crude oil and natural gas properties, using the successful efforts method of accounting:
Changes in estimated future development costs (3)
Title and Position [Domain]
State
us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from Issuance of Common Stock
srt_SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts
Sales of crude oil and natural gas, net of production costs
Unproved properties
Title and Position [Axis]
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State
Extensions and discoveries, net of future development costs (1)
Proved properties
Scenario [Axis]
Purchases of minerals-in-place
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Share Repurchase Program, Remaining Authorized, Amount
Oil and Gas, Change in Standardized Measure, Discounted Future Net Cash Flow [Table Text Block]
Additional Paid-in Capital [Member]
Net changes in prices and production costs
Common Stock [Member]
Federal
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows
Discount to present value at 10% annual rate
Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Table Text Block]
Equity Components [Axis]
Equity Component [Domain]
Total Proved Reserves (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedAndUndevelopedReserveNetEnergy
Oil and Gas, Proved Reserve, Quantity, Energy
Proved Reserves (Thousand Barrels of Oil Equivalent)
Proved Reserves (Thousand Barrels of Oil Equivalent)
us-gaap_LongTermDebt
Total debt
us-gaap_CurrentIncomeTaxExpenseBenefit
Total current income tax expense
Other Noncurrent Assets [Member]
Extensions and discoveries (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
srt_ProvedDevelopedAndUndevelopedReserveProductionEnergy
Production (Thousand Barrels of Oil Equivalent)
Oil and Gas, Proved Reserve, Quantity, Energy, Production
srt_ProvedDevelopedAndUndevelopedReservesSaleOfMineralInPlaceEnergy
Sales of reserves-in-place (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease
Oil and Gas, Proved Reserve, Quantity, Energy, Period Increase (Decrease)
John Paul DeJoria Family Trust [Member]
Relating to the John Paul DeJoria Family Trust.
Revisions of previous estimates (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedAndUndevelopedReserveRevisionOfPreviousEstimateEnergy
Oil and Gas, Proved Reserve, Quantity, Energy, Revision of Previous Estimate
Oil and Gas, Proved Reserve, Quantity, Energy, Revision of Previous Estimate
Subscription Arrangement [Member]
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding (in shares)
Purchase of reserves-in-place (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedAndUndevelopedReservePurchaseOfMineralInPlaceEnergy
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income before income taxes
hpk_ProvedUndevelopedReserveNetEnergy
Beginning proved undeveloped reserves (Millions of Barrels of Oil Equivalent)
Ending proved undeveloped reserves (Millions of Barrels of Oil Equivalent)
Energy measure of proved undeveloped reserve of oil and gas, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).
Revisions (Millions of Barrels of Oil Equivalent)
Revisions represent changes in previous estimates of proved reserves, either upward or downward, resulting from new information (except for an increase in proved acreage) normally obtained from development drilling and production history or resulting from change in economic factors for proven undeveloped reserves.
hpk_ProvedUndevelopedReservesPurchasesOfMineralsInPlace
Purchase of reserves-in-place (Millions of Barrels of Oil Equivalent)
Purchase of proven undeveloped minerals in place.
dei_IcfrAuditorAttestationFlag
ICFR Auditor Attestation Flag
Extensions and discoveries (Millions of Barrels of Oil Equivalent)
Additions to proved undeveloped reserves that result from (1) extension of the proved acreage of previously discovered (old) reservoirs through additional drilling in periods after discovery and (2) discovery of new fields with proved reserves or of new reservoirs of proved reserves in old fields.
Proved Developed Reserves (Thousand Barrels of Oil Equivalent)
srt_ProvedDevelopedReservesBOE1
Proved Undeveloped Reserves (Thousand Barrels of Oil Equivalent)
srt_ProvedUndevelopedReserveBOE1
Oil and Gas, Proved Undeveloped Reserve, Quantity, Energy
hpk_ProvedUndevelopedReservesEnergyPeriodIncreaseDecrease
Proved Undeveloped Reserves (Energy), Period Increase (Decrease)
Represents the increase (decrease) in energy measure of proved undeveloped reserves of crude oil, including condensate and natural gas liquids, natural gas, synthetic oil and gas, or other nonrenewable natural resource that is intended to be upgraded into synthetic oil and gas.
us-gaap_PaymentsOfDebtIssuanceCosts
Debt issuance costs
Payments of Debt Issuance Costs
srt_ProvedDevelopedReservesVolume
Oil and Gas, Proved Developed Reserve, Quantity, Volume
State and Local Jurisdiction [Member]
Oil [Member]
Income Tax Authority, Name [Axis]
Natural Gas [Member]
Undeveloped reserves transferred to proved developed (Millions of Barrels of Oil Equivalent)
Deductions from proven undeveloped reserves to proven developed reserves due to development.
us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Debt issuance costs, net (b)
Income Tax Authority, Name [Domain]
Natural Gas Liquids (NGL) [Member]
Income Tax Jurisdiction [Axis]
Oil and Gas, Proved Reserve, Quantity [Table Text Block]
Income Tax Jurisdiction [Domain]
Petroleum Reserves [Axis]
Type of Reserve [Domain]
Income tax expense
us-gaap_ResultsOfOperationsIncomeTaxExpense
Transportation Equipment [Member]
us-gaap_ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts
Results of operations from crude oil and natural gas production activities
Document Annual Report
Accounts Receivable [Policy Text Block]
Accretion of discount on asset retirement obligations
us-gaap_ResultsOfOperationsAccretionOfAssetRetirementObligations
Cash and Cash Equivalents, Policy [Policy Text Block]
Statement of Financial Position Location, Balance [Axis]
Exploration and abandonment expense
us-gaap_ResultsOfOperationsExplorationExpense
Statement of Financial Position Location, Balance [Domain]
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount, Total
Discounts, net (a)
Depletion, depreciation and amortization expense
us-gaap_ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions
Entity Incorporation, State or Country Code
Long-term debt
Long-Term Debt, Gross
Crude oil, NGL and natural gas sales
us-gaap_ResultsOfOperationsRevenueFromOilAndGasProducingActivities
Accounting Policies [Abstract]
Document Transition Report
dei_DocumentFinStmtErrorCorrectionFlag
Document Financial Statement Error Correction [Flag]
us-gaap_RepaymentsOfSeniorDebt
Repayments under Term Loan Credit Agreement
Basis of Accounting, Policy [Policy Text Block]
Lease operating expenses
us-gaap_ResultsOfOperationsProductionOrLiftingCosts
Concentration Risk Disclosure [Text Block]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
Dividends declared per share (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Oil and Gas, Result of Operation, Producing Activity [Table Text Block]
Prior Credit Agreement [Member]
Prior Credit Agreement.
Senior Credit Facility Agreement Due 2026 [Member]
Senior Credit Facility Agreement Due 2026.
us-gaap_RepaymentsOfUnsecuredDebt
Repayments of 10.000% Senior Notes and 10.625% Senior Notes
Security Exchange Name
Title of 12(b) Security
Oil and Gas, Supplemental Disclosure [Text Block]
Borrowings under Term Loan Credit Agreement, net of discount
Receivable Type [Axis]
Receivable [Domain]
Borrowings under Prior Credit Agreement
Proceeds from issuance of senior notes, net of discount
us-gaap_AssetRetirementObligation
Beginning asset retirement obligations
Ending asset retirement obligations
us-gaap_SegmentExpenditureAdditionToLongLivedAssets
Capital costs incurred, including acquisitions
dei_AuditorName
Auditor Name
dei_AuditorFirmId
Auditor Firm ID
dei_AuditorLocation
Auditor Location
Crude Oil Derivative Swap [Member]
Crude Oil Derivative Swap
us-gaap_SharePrice
Share Price
Diluted (in shares)
Diluted weighted average shares outstanding (in shares)
us-gaap_RepaymentsOfLinesOfCredit
Repayments under Prior Credit Agreement
Crude Oil Derivative Put [Member]
Crude Oil Derivative Put
Crude Oil Derivative Collar [Member]
Crude Oil Derivative Collar
Statement [Table]
Statement of Financial Position [Abstract]
Diluted net income (in dollars per share)
Basic (in shares)
Basic weighted average shares outstanding (in shares)
Effective income tax rate
Basic net income (loss) (in dollars per share)
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Statement of Cash Flows [Abstract]
us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Derivative assets (liabilities), net
Total recurring fair value measurements
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from Issuance of Debt
us-gaap_RepaymentsOfDebt
Repayments of Debt
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Ceiling price (in USD per Barrel of Oil)
Deferred premium payable (in USD per Barrel of Oil)
Deferred premium payable
Schedule of Natural Gas Derivatives [Table Text Block]
The tabular disclosure explaining the natural gas derivative agreement.
Asset Acquisition [Axis]
srt_StockRepurchaseProgramAuthorizedAmount1
Share Repurchase Program, Authorized, Amount
hpk_SignificantExpenses
Total significant expenses
The total amount of expenses classified as significant.
Share Repurchase Program [Domain]
hpk_WorkoverExpense
Expensed workover costs
The amount related to the workover costs during the period.
Share Repurchase Program [Axis]
Natural Gas Derivative Swap Q2 2025 [Member]
The Natural Gas Derivative Swap Q2 2025.
Natural Gas Derivative Swap February 2025 Through February 2026 [Member[
The derivative swap rate starting in February 2025 through February 2026.
Natural Gas Derivative Swap Q4 2025 [Member]
The Natural Gas Derivative Swap Q4 2025.
Natural Gas Derivative Swap Q3 2025 [Member]
The Natural Gas Derivative Swap Q3 2025.
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
us-gaap_IncomeTaxReconciliationOtherAdjustments
Other, net
CASH FLOWS FROM FINANCING ACTIVITIES:
Natural Gas Derivative Swap Q1 2025 [Member]
The natural gas derivative swap for Q1 of 2025.
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Asset Acquisition [Domain]
Limited tax benefit due to wage and stock-based compensation
hpk_ContractWithCustomerAssetAssetFunding
Contract with Customer, Asset, Asset Funding
Amount of increase to a contract with customer asset through funding.
us-gaap_DividendsPayableCurrentAndNoncurrent
Dividends Payable
Natural Gas Derivative Swap Q1 2026 [Member]
The Natural Gas Derivative Swap Q1 2026.
hpk_ContractWithCustomerAssetPaymentsReceived
Contract with Customer, Asset, Payments Received
Represents the decrease in contract with customer assets through receipt of payment.
O2022 Q4 Dividends [Member]
Relating to ordinary 2022 quarter 4 dividends.
O2022 Q2 Dividends [Member]
Relating to ordinary 2022 quarter 2 dividends.
O2022 Q3 Dividends [Member]
Relating to ordinary 2022 quarter 3 dividends.
us-gaap_DerivativeLiabilitiesNoncurrent
Derivative instruments
Dividends [Axis]
Dividends [Domain]
us-gaap_CostsIncurredAcquisitionOfOilAndGasProperties
Total acquisition costs
O2022 Q1 Dividends [Member]
Relating to ordinary 2022 quarter 1 dividends.
Exploration costs
us-gaap_CostsIncurredExplorationCosts
Development costs
us-gaap_CostsIncurredDevelopmentCosts
O2025 Q1 Dividends [Member]
Relating to ordinary 2025 quarter 1 dividends.
us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Crude oil and natural gas expenditures
Unproved properties
us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
Proved properties
us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Table Text Block]
us-gaap_StockholdersEquity
Total stockholders’ equity
Balance
Balance
Term Loan Credit Agreement [Member]
Term loan credit agreement.
Class of Stock [Axis]
Class of Stock [Domain]
Long-term debt, net
Long-term debt, net
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_DeferredTaxAssetInterestCarryforward
Stock-based compensation
Operating Segments [Member]
State deferred income taxes
Floor price (in USD per Barrel of Oil)