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
Derivative loss, net
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
Provision for income taxes at U.S. federal statutory rate
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies
Hedging Relationship [Domain]
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, Receivable
hpk_DebtInstrumentDiscountPercentage
Debt Instrument Discount Percentage
Debt instrument, discount percentage.
Net Investment Hedging [Member]
Note 7 - Long-term Debt
Noncurrent liabilities:
Not Designated as Hedging Instrument [Member]
Note 8 - Asset Retirement Obligations
Note 9 - Incentive Plans
Note 10 - Commitments and Contingencies
Income Tax Disclosure [Text Block]
Hedging Relationship [Axis]
Note 12 - Income Taxes
Note 13 - 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 15 - Subsequent Events
Hedging Designation [Domain]
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Other Property and Equipment, Net (Details)
Liabilities, Current
Total current liabilities
us-gaap_AccumulatedAmortizationDeferredFinanceCosts
Accumulated Amortization, Debt Issuance Costs
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Reportable Segments (Details)
Note 4 - Fair Value Measurements - Assets and Liabilities Measured On Recurring Basis (Details)
Supply Commitment [Axis]
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)
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)
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)
Price per MMBtu (in USD per Millions of British Thermal Unit)
Price per MMBtu (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 12 - Income Taxes - Income Tax Benefit and Effective Tax Rate (Details)
Note 12 - Income Taxes - Effective Income Tax Rate Reconciliation (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 12 - Income Taxes - Deferred Tax Assets and Liabilities (Details)
Note 13 - Earnings Per Share - Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details)
Note 15 - Subsequent Events - Schedule of Natural Gas Derivatives (Details)
us-gaap_DerivativeLiabilitiesCurrent
Derivative instruments
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Crude Oil Sales [Member]
Represents information regarding crude oil sales.
hpk_NetCashReceiptsFromPaymentsOnDerivatives
Cash paid on settlement of derivative instruments
The amount of net cash receipts from payments on derivatives.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Natural Gas and NGL Sales [Member]
Represents information regarding natural gas and NGL sales.
Vested, remaining term (Year)
Exercisable (in shares)
Current maturities of long-term debt
Less current maturities of long-term debt
Exercisable, average exercise price (in dollars per share)
Exercisable, intrinsic value
Vested (in shares)
Vested, average exercise price (in dollars per share)
Vested, intrinsic value
Exercisable, remaining term (Year)
Commodity Contract [Member]
Outstanding, remaining term (Year)
Outstanding, intrinsic value
Retirement Plan Name [Axis]
Retirement Plan Name [Domain]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, average exercise price (in dollars per share)
Outstanding, average exercise price (in dollars per share)
us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Accounts Payable and Accrued Liabilities, Current
Bbls per day (Barrel of Oil)
Forfeitures, average exercise price (in dollars per share)
MMBtu Per Day (Millions of British Thermal Unit)
MMBtu Per Day (Millions of British Thermal Unit)
June 1, 2023 [Member]
Represents June 1, 2023.
Revolving Credit Facility [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Shares subject to awards issued under plan (in shares)
Outstanding (in shares)
Outstanding (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
Proceeds from Sale of Oil and Gas Property and Equipment
us-gaap_PaymentsToAcquireOtherProductiveAssets
Other property additions
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)
Accounts Payable and Accrued Liabilities, Policy [Policy Text Block]
Disclosure for accounts payable and accrued liabilities.
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_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]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Crude oil and natural gas production
Total operating revenues
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Basic earnings attributable to common stockholders
DK Trading and Supply, LLC [Member]
Represents DK Trading and Supply, LLC. ("Delek").
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
hpk_OilAndNaturalGasMarketingContractsTermOverWhichConsiderationIsReceivedFromPurchaser
Oil and Natural Gas Marketing Contracts, Term Over Which Consideration is Received from Purchaser
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]
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
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 income
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
Commitments and Contingencies Disclosure [Text Block]
Other property and equipment, net
Other property and equipment, net
us-gaap_Dividends
Dividends
June 4, 2024 [Member]
Represents June 4, 2024.
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.
us-gaap_DerivativeAssets
Derivative asset
Schedule of Price Risk Derivatives [Table Text Block]
us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Participating basic earnings (a)
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]
CASH FLOWS FROM INVESTING ACTIVITIES:
Earnings Per Share [Text Block]
Accounts payable, accrued liabilities and other current liabilities
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
Provision for income taxes
Income Tax Expense (Benefit)
Total provision for income taxes
us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Noncash derivative loss, net
Loss on derivative instruments, net
Largest Purchaser [Member]
Related to largest purchaser.
Prepaid Expense [Policy Text Block]
Disclosure for the accounting policy for prepaid expense.
Dispositions
Amount of asset retirement obligations dispositioned during the period.
Contractual Equity-based Bonus [Member]
Related to contractual equity-based bonus.
us-gaap_OperatingExpenses
General and administrative expenses, including stock-based comp
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
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
us-gaap_InterestExpenseOperating
Interest expense, net
Stock-based compensation
Share-Based Payment Arrangement, Expense
Additions to asset retirement obligations
Accretion expense
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
Preferred stock, shares outstanding (in shares)
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.
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
us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Provision for deferred income taxes
Consolidation, Policy [Policy Text Block]
dei_DocumentPeriodEndDate
Document Period End Date
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
Entity Small Business
dei_EntityShellCompany
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Entity Filer Category
Debt Instrument [Axis]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
Debt Instrument, Name [Domain]
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.
Variable Rate [Axis]
hpk_DebtInstrumentCovenantMinimumCurrentRatio
Debt Instrument, Covenant, Minimum Current Ratio
The minimum current ratio required by the debt agreement.
Compensation costs included in net income
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]
Legal Entity [Axis]
Entity Address, Address Line One
Senior Unsecured Notes and Revolving Credit Facility [Member]
Related to senior unsecured notes and revolving credit facility.
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
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.
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]
us-gaap_AllowanceForDoubtfulAccountsReceivable
Accounts Receivable, Allowance for Credit Loss
Concentration Risk Type [Domain]
Material Terms of Trading Arrangement [Text Block]
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.
Outside Directors [Member]
Information pertaining to outside directors.
hpk_AccumulatedAmortizationDebtDiscount
Accumulated Amortization, Debt Discount
Amount of accumulated amortization of debt discount.
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
Trading Arrangements, by Individual [Table]
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
Represents the number of barrels that have been delivered.
Revenue Benchmark [Member]
Long-Term Debt [Text Block]
Trading Symbol
Trading Symbol
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
dei_LocalPhoneNumber
Local Phone Number
us-gaap_TableTextBlock
Notes Tables
hpk_SupplyCommitmentMinimumTonsOfSand
Supply Commitment, Minimum Tons of Sand
The minimum tons of sand under supply commitment.
us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Line of Credit Facility, Current Borrowing Capacity
Sand Commitments [Member]
Related to sand commitments.
Acquisitions [Text Block]
The entire disclosure for acquisitions.
General and administrative
Additions to exploratory/extension well costs
us-gaap_CapitalizedExploratoryWellCosts
Beginning capitalized exploratory/extension well costs
Ending capitalized exploratory/extension well costs
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeitures (in shares)
Changes in working capital associated with crude oil and natural 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
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Oil and Gas, Capitalized Exploratory Well Cost, Roll Forward [Table Text Block]
us-gaap_SegmentReportingOtherItemAmount
Other segment items
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Exploratory Well Costs [Text Block]
The entire disclosure for exploratory well costs.
us-gaap_ShareRepurchaseProgramExciseTax
Share Repurchase Program, Excise Tax
Retained earnings
Exploration and abandonments
us-gaap_InterestExpense
Interest expense
Liabilities incurred from new wells
Derivative Instruments, Gain (Loss) [Table Text Block]
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
us-gaap_OperatingLeaseLiability
Operating Lease, Liability
Operating leases
us-gaap_OperatingLeaseLiabilityCurrent
Operating Lease, Liability, Current
us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
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
us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision for deferred income taxes
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.
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2026
Segment Reporting, Policy [Policy Text Block]
us-gaap_DerivativeAssetsNoncurrent
Commodity price derivatives – noncurrent
Other noncurrent assets
Stock-based compensation expense
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Lessee, Leases [Policy Text Block]
us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
Remainder of 2025
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
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_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 126,067,436 shares issued and outstanding at March 31, 2025 and December 31, 2024, 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
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
Commodity price derivatives – current
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 March 31, 2025 and December 31, 2024
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
us-gaap_DeferredTaxAssetsOther
Other
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
Inventory
Preferred stock, par value (in dollars per share)
us-gaap_InventoryRawMaterialsAndSupplies
Inventory, Raw Materials and Supplies, Gross
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]
Aid-in-construction Receivables [Member]
Information related to aid-in-construction receivables.
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Axis]
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life
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
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]
Natural Gas Derivative Swap [Member]
Represents natural gas derivative swap.
Net operating loss carryforwards
Natural Gas Delivery Commitments [Member]
Represents natural gas delivery commitments.
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]
Assets [Abstract]
S, 2025, Q2, Dividends [Member]
The special dividends for Q2 of 2025.
Interest income
O, 2025, Q2, Dividends [Member]
Represents 2025 Q2 dividends.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net decrease in cash and cash equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Commitments and Contingencies
Asset retirement obligations
us-gaap_OperatingIncomeLoss
Income from operations
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
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]
Consolidation Items [Axis]
us-gaap_DeferredTaxLiabilitiesDerivatives
Unrecognized derivative gains, net
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
Macquarie Bank Limited [Member]
Macquarie Bank Limited
us-gaap_PaymentsOfDividends
Dividends paid
us-gaap_CostsAndExpenses
Total operating costs and expenses
Operating costs and expenses:
us-gaap_PaymentsForRepurchaseOfCommonStock
Repurchased shares under buyback program
Scenario [Domain]
Forecast [Member]
Retained Earnings [Member]
us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization
Accumulated depletion, depreciation and amortization
Revenue
Total operating revenues
Crude oil and natural gas properties, using the successful efforts method of accounting:
Title and Position [Domain]
State
Unproved properties
Title and Position [Axis]
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State
Proved properties
Scenario [Axis]
us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Share Repurchase Program, Remaining Authorized, Amount
Additional Paid-in Capital [Member]
Common Stock [Member]
Federal
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
Equity Components [Axis]
Equity Component [Domain]
us-gaap_LongTermDebt
Total debt
us-gaap_CurrentIncomeTaxExpenseBenefit
Total provision for current income taxes
Other Noncurrent Assets [Member]
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income before income taxes
us-gaap_PaymentsOfDebtIssuanceCosts
Debt issuance costs
Payments of Debt Issuance Costs
State and Local Jurisdiction [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Debt issuance costs, net (b)
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Transportation Equipment [Member]
Accounts Receivable [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Domain]
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount
Discounts, net (a)
Document Quarterly Report
Entity Incorporation, State or Country Code
Debt, gross
Accounting Policies [Abstract]
Document Transition Report
us-gaap_RepaymentsOfSeniorDebt
Repayments under Term Loan Credit Agreement
Basis of Accounting, Policy [Policy Text Block]
Concentration Risk Disclosure [Text Block]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
Common Stock, Dividends, Per Share, Declared (in dollars per share)
Dividends declared per share (in dollars per share)
Senior Credit Facility Agreement Due 2026 [Member]
Senior Credit Facility Agreement Due 2026.
Security Exchange Name
Security Exchange Name
Title of 12(b) Security
Title of 12(b) Security
Receivable Type [Axis]
Receivable [Domain]
us-gaap_AssetRetirementObligation
Beginning asset retirement obligations
Ending asset retirement obligations
us-gaap_SegmentExpenditureAdditionToLongLivedAssets
Provision for income taxes
Crude Oil Derivative Swap [Member]
Crude Oil Derivative Swap
Diluted (in shares)
Diluted weighted average shares outstanding (in shares)
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)
Earnings per share:
Effective income tax rate
Basic net income (in dollars per share)
Statement of Cash Flows [Abstract]
us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Derivative asset (liabilities)
Total recurring fair value measurements, net
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
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 per Bbl (in USD per Barrel of Oil)
Deferred Premium Payable per Bbl (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.
srt_StockRepurchaseProgramAuthorizedAmount1
Share Repurchase Program, Authorized, Amount
hpk_SignificantExpenses
Production and ad valorem taxes
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]
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
Other, net
CASH FLOWS FROM FINANCING ACTIVITIES:
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Limited tax benefit (expense) due to 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
hpk_ContractWithCustomerAssetPaymentsReceived
Contract with Customer, Asset, Payments Received
Represents the decrease in contract with customer assets through receipt of payment.
Dividends [Axis]
Dividends [Domain]
O, 2025, Q1, Dividends [Member]
Represents 2025 Q1 dividends.
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 or Strike Price per Bbl (in USD per Barrel of Oil)