Document And Entity Information
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Customer relationships
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 2 - Business Combination and Acquisitions
Note 3 - Inventory
Risk-free interest rate
Note 4 - Property, Plant and Equipment, Net
Note 5 - Goodwill and Other Intangible Assets
Note 6 - Debt
Tradenames
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets
Note 8 - Fair Value Measurements
Note 9 - Revenue
Note 10 - Income Taxes
Accounts receivable
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Expected dividend
Income Tax Disclosure [Text Block]
Note 11 - Earnings Per Share
Other assets
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
Note 12 - Benefit Plans
Note 13 - Equity-based Compensation Plans
Cash
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
Note 14 - Lease Commitments
Inventory
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
Expected volatility
Note 15 - Acquisition, Restructuring and Management Fee Costs
us-gaap_LiabilitiesCurrent
Total current liabilities
Schedule of Maturities of Long-Term Debt [Table Text Block]
Note 16 - Commitments and Contingencies
Schedule of Debt [Table Text Block]
Note 2 - Business Combination and Acquisitions - Allocation of the Purchase Price to the Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details)
Note 3 - Inventory - Schedule of Inventory (Details)
Note 4 - Property, Plant and Equipment, Net - Schedule of Property, Plant, and Equipment (Details)
Weighted-average expected term (Year)
Note 4 - Property, Plant and Equipment, Net - Schedule of Long-Lived Assets by Geographic Locations (Details)
Note 5 - Goodwill and Other Intangible Assets - Schedule of Goodwill (Details)
Note 5 - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details)
Note 5 - Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details)
Note 6 - Debt - Schedule of Debt (Details)
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Note 6 - Debt - Future Maturities of Long-Term Debt and Amortization of Debt Issuance Cost (Details)
Note 8 - Fair Value Measurements - Schedule of Value Assets and Liabilities Measured on Recurring Basis (Details)
Note 8 - Fair Value Measurements - Summary of Assumptions for Estimated Fair Value Using Monte Carlo Simulation Model (Details)
Note 8 - Fair Value Measurements - Reconciliation of Changes (Details)
Note 9 - Revenue - Summary of Revenue by Product Category (Details)
Note 9 - Revenue - Summary of Revenue Based on Geographic Location (Details)
Note 10 - Income Taxes - Schedule of Provision and Effective Tax rates (Details)
us-gaap_OtherOperatingIncomeExpenseNet
Other operating expense
Note 11 - Earnings Per Share - Schedule of Basic and Diluted Earning Per Share (Details)
Note 11 - Earnings Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)
Note 12 - Benefit Plans - Summarizes the Components of Net Periodic Benefit Cost (Details)
Note 13 - Equity-based Compensation Plans - Schedule of Components of Equity-based Compensation Expense (Details)
Note 13 - Equity-based Compensation Plans - Schedule of Share-Based Payment Award Stock Options Valuation Using Black-Scholes Option Pricing Model (Details)
Note 14 - Lease Commitments - Schedule of Operating Lease Assets and Obligations (Details)
Note 14 - Lease Commitments - Schedule of Operating Lease Expense Supplemental Cash Flow Information (Details)
Note 14 - Lease Commitments - Schedule of Information Associated with the Measurement of Operating Lease Obligations (Details)
Note 14 - Lease Commitments - Schedule of Future Minimum Rental Payments for Operating Leases (Details)
Current portion of long-term debt
Note 14 - Lease Commitments - Schedule of Future Minimum Rental Payments for Operating Leases Under ASC 840 (Details)
Note 15 - Acquisition, Restructuring and Management Fee Costs - Summary of Total Acquisitions, Restructuring, and Management Fee Costs (Details)
Note 16 - Commitments and Contingencies - Schedule of Accrual For Product Warranties (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
us-gaap_LongTermDebtCurrent
Less current portion of long-term debt
Schedule of Net Benefit Costs [Table Text Block]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price, Ending Balance (in dollars per share)
Retirement Plan Name [Axis]
Financial Instruments [Domain]
Retirement Plan Name [Domain]
Financial Instrument [Axis]
Goodwill and Intangible Assets Disclosure [Text Block]
Schedule of Goodwill [Table Text Block]
Accrued liabilities
us-gaap_InterestPayableCurrent
Accrued interest
Lessee, Operating Leases [Text Block]
Accounts payable
Revolving Credit Facility [Member]
Proceeds from the disposal of fixed assets
Emerging Growth Company [Policy Text Block]
Emerging growth company.
Risks And Uncertainties [Policy Text Block]
Risks and uncertainties.
Warrant and Forward Purchase Agreement Liabilities [Policy Text Block]
Warrant and Forward Purchase Agreement Liabilities.
Credit Facility [Axis]
Credit Facility [Domain]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Amended And Restated Forward Purchase Agreement [Member]
Information about the amended and restated forward purchase agreement.
Trade Names [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
Earn-out shares issued to Empower Sponsor Holdings LLC
Warrant Liability Private Placement Warrants [Member]
Information about Warrant Liability Private Placement Warrants.
Dilutive effect of potential common shares from warrants (in shares)
Indefinite-Lived Intangible Assets [Axis]
Indefinite-Lived Intangible Assets, Major Class Name [Domain]
Monte Carlo Simulation Model [Member]
Monte Carlo Simulation Model.
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Capital expenditures
Dilutive effect of potential common shares from RSUs (in shares)
Warrant Liability Public Warrants [Member]
Information about public warrants.
Earn Out Liability [Member]
Earn Out Liability.
Noncash investing and financing activities:
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
Measurement Input Price Hurdle One [Member]
Measurement Input Price Hurdle One.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Measurement Input Strike Price [Member]
Measurement Input Strike Price Member.
Measurement Input Price Threshold [Member]
Measurement Input Price Threshold.
Cash paid for income taxes
LIABILITIES AND STOCKHOLDERS' EQUITY
Electronic Systems [Member]
Information about electronic systems.
Common Share Data:
Vesting [Axis]
Measurement Input Price Hurdle Two [Member]
Measurement Input Price Hurdle Two.
Vesting [Domain]
Supplemental disclosures of cash flow information:
us-gaap_Assets
Total assets
Restructuring, Impairment, and Other Activities Disclosure [Text Block]
Patents [Member]
Plan Name [Axis]
Technology-Based Intangible Assets [Member]
Shareholders' Equity and Share-Based Payments [Text Block]
Plan Name [Domain]
Mechanical System [Member]
Information about mechanical systems.
Exhaust [Member]
Information about exhaust.
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total
Accessories [Member]
Information by accessories.
Safety [Member]
Information by safety product.
Net income (loss) - basic
Customer Relationships [Member]
Net income (loss) - diluted
Earn Out Shares [Member]
Information about earn-out shares.
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Tax withholding related to vesting of restricted stock units
Award Type [Domain]
Award Type [Axis]
Net income (loss)
Net income (loss)
Net income (loss)
Finite-Lived Intangible Assets, Accumulated Amortization
Finite-Lived Intangible Assets, Net
Total
Other intangibles assets, net
Restricted Stock Units (RSUs) [Member]
Finite-Lived Intangible Assets, Gross
hlly_EstimatesSettlementCharge
Estimates Settlement Charge
Represents the estimates for settlement.
Share-Based Payment Arrangement [Member]
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
The 401K [Member]
Represents the 401K plan.
The 2021 Omnibus Incentive Plan [Member]
Represents the 2021 Omnibus incentive plan.
Measurement period adjustments*
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
acquisition
Defined Contribution Pension [Member]
Represents the defined contribution pension.
Tradenames
us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Profit Interest Units [Member]
Represents profit interest units.
Commitments and Contingencies Disclosure [Text Block]
Business Combination Disclosure [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: accumulated depreciation
Property, Plant and Equipment, Net
Property, plant and equipment, net
Goodwill
Goodwill
Balance at December 31, 2021
Balance at October 2, 2022
Schedule of Information Associated with the Measurement of Operating Lease Obligations [Table Text Block]
Tabular disclosure of the schedule of information associated with the measurement of operating lease obligations.
Property, Plant, and Equipment, Gross
hlly_IncreaseInNoncurrentAssetsForRightofuseAssets
Increase in Noncurrent Assets for Right-of-Use Assets
Represents the increase in noncurrent assets for right-of-use assets.
hlly_IncreaseInLiabilitiesForAssociatedLeaseObligations
Increase in Liabilities for Associated Lease Obligations
Represents the increase in liabilities for associated lease obligations.
Schedule of Operating Lease Assets and Obligations [Table Text Block]
Tabular disclosure of the schedule of operating lease assets and obligations.
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Earn out adjustment (4)
Represent earn out adjustment.
hlly_TotalAcquisitionRestructuringAndManagementFees
Total acquisition, restructuring and management fees
Represents the total acquisition, restructuring, and management fees.
Term Loan [Member]
Information about term loan.
Tranche One [Member]
Tranche one.
Measurement Input Share Price1 [Member]
Measurement Input Share Price1.
INVESTING ACTIVITIES
Earnings (loss) per share:
Earnings Per Share [Text Block]
Letter of Credit [Member]
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
Accrued interest
Income tax expense
Accounts payable
us-gaap_IncreaseDecreaseInAccountsPayable
Management fees (3)
us-gaap_OperatingExpenses
Total operating expense
us-gaap_DebtInstrumentTerm
Debt Instrument, Term (Year)
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax
Foreign currency translation adjustment
Cash and cash equivalents
The Credit Agreement [Member]
Information regarding the credit agreement.
Share-Based Payment Arrangement, Expense
us-gaap_AllocatedShareBasedCompensationExpense
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Losses included in earnings
Amendment Flag
Comprehensive income (loss):
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive income (loss)
City Area Code
New Accounting Pronouncements, Policy [Policy Text Block]
Accrued and other liabilities
us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Debt Instrument, Periodic Payment, Principal
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss (gain) on disposal of property, plant and equipment
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common Stock, Shares, Outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
us-gaap_DebtWeightedAverageInterestRate
Debt, Weighted Average Interest Rate
ITALY
Current Fiscal Year End Date
Variable lease expense
us-gaap_LeaseCost
Total lease expense
Weighted average discount rate
Components of lease expense:
Document Fiscal Period Focus
Operating lease expense
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
Short-term lease expense
Lease, Cost [Table Text Block]
Document Period End Date
Right of use assets obtained in exchange for new operating lease liabilities
Weighted average remaining lease term (in years) (Year)
Entity File Number
Entity Ex Transition Period
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Document Type
us-gaap_GainsLossesOnExtinguishmentOfDebt
Loss on early extinguishment of long-term debt
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Balance at December 31, 2021
Balance at October 2, 2022
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Liabilities reclassed to equity
Entity Filer Category
Debt Instrument [Axis]
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Acquisitions (1)
Impairment of indefinite-lived intangible assets
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)
Alternative Investment, Measurement Input
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Equity compensation
Entity Tax Identification Number
Entity Central Index Key
Entity Registrant Name
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Entity [Domain]
Legal Entity [Axis]
Entity Address, Address Line One
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Amortization of intangible assets
Entity Address, City or Town
Entity Address, Postal Zip Code
Entity Address, State or Province
Entity Common Stock, Shares Outstanding
us-gaap_IncreaseDecreaseInInventories
Inventories
Amortization of net loss
Trading Symbol
Net periodic benefit cost
Service cost
Interest cost
Expected return on plan assets
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Local Phone Number
us-gaap_TableTextBlock
Notes Tables
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Issuance of shares for restricted stock units (in shares)
Issuance of shares for restricted stock units
Selling, general, and administrative
Provision for credit losses
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
us-gaap_StockIssuedDuringPeriodSharesNewIssues
Stock Issued During Period, Shares, New Issues (in shares)
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders' equity
UNITED STATES
Retained earnings (accumulated deficit)
Research and development costs
Accumulated other comprehensive gain (loss)
Measurement Input, Share Price [Member]
Debt Disclosure [Text Block]
us-gaap_InterestExpense
Interest expense
Measurement Input, Price Volatility [Member]
Measurement Input, Risk Free Interest Rate [Member]
Amortization of deferred loan costs
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Inventory Disclosure [Text Block]
Long-term lease liabilities
Schedule of Inventory, Current [Table Text Block]
Measurement Input, Expected Term [Member]
Present value of lease liabilities
Total lease liabilities
Cash and cash equivalents:
Current operating lease liabilities
Right-of-use assets
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less imputed interest
Change in deferred taxes
Measurement Input Type [Axis]
2025
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
Measurement Input Type [Domain]
2022 (excluding the thirty-nine weeks ended October 2, 2022)
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
2026
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour
Equity compensation
us-gaap_EmployeeBenefitsAndShareBasedCompensation
2024
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2025
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2026
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2023
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2024
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
Valuation Approach and Technique [Axis]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Valuation Approach and Technique [Domain]
2023
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Restructuring (2)
(Decrease) increase in warrant liability
Fair Value Adjustment of Warrants
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Lessee, Leases [Policy Text Block]
2022 (excluding the thirty-nine weeks ended October 2, 2022)
us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life (Year)
Depreciation
Liability
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_AssetsCurrent
Total current assets
(Decrease) increase in earn-out liability
Simpson Safety Solutions, Inc [Member]
Information about Simpson safety solutions.
Schedule of Intangible Assets [Table Text Block]
Tabular disclosure of schedule of intangible assets.
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Common stock, $0.0001 par value, 550,000,000 shares authorized, 117,147,997 and 115,805,639 shares issued and outstanding as of October 2, 2022 and December 31, 2021, respectively
Adjustments to reconcile net income (loss) to net cash from operating activities:
Common Stock, Shares Authorized (in shares)
Common Stock, Shares, Issued (in shares)
Common Stock, Shares, Issued (in shares)
Common Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_CommonStockSharesSubscriptions
Common Stock, Value, Subscriptions
Revision of Prior Period [Axis]
Revision of Prior Period [Domain]
Previously Reported [Member]
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance (in shares)
Revision of Prior Period, Adjustment [Member]
Statistical Measurement [Domain]
Cash paid for amounts included in measurement of operating lease liabilities
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
Statistical Measurement [Axis]
us-gaap_OperatingLeasesRentExpenseNet
Operating Leases, Rent Expense, Net
Preferred stock, $0.0001 par value, 5,000,000 shares authorized, none issued and outstanding as of October 2, 2022 and December 31, 2021
Preferred Stock, Shares Issued (in shares)
Cash paid for interest
Property, Plant and Equipment Disclosure [Text Block]
Geographical [Axis]
Property, Plant and Equipment [Table Text Block]
Geographical [Domain]
Preferred Stock, Shares Authorized (in shares)
Inventory
Inventory, Net, Total
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Work-in-process
Fair Value, Inputs, Level 3 [Member]
Revenue from External Customers by Products and Services [Table Text Block]
Finished goods
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value Hierarchy and NAV [Axis]
us-gaap_ProductWarrantyAccrualPayments
Settlement of warranty claims
Raw materials
Accrued for current year warranty claims
Construction in Progress [Member]
OPERATING ACTIVITIES
Accounts receivable, less allowance for credit losses of $1,215 and $1,387, respectively
Statement [Line Items]
Accounts Receivable, Allowance for Credit Loss, Current
Additional paid-in capital
Building and Building Improvements [Member]
AOCI Attributable to Parent [Member]
Schedule of Product Warranty Liability [Table Text Block]
Stockholders' equity:
Land [Member]
Long-Lived Tangible Asset [Axis]
us-gaap_NonoperatingIncomeExpense
Total non-operating (income) expense
Long-Lived Tangible Asset [Domain]
Thereafter
hlly_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Schedule of Acquisition, Restructuring and Management Fee Costs [Table Text Block]
Tabular disclosure of the schedule of acquisition, restructuring, and management fee cost.
Fair Value Disclosures [Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Beginning of period
End of period
ASSETS
IPO [Member]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net change in cash and cash equivalents
us-gaap_Liabilities
Total liabilities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) provided by financing activities
Commitments and contingencies (Refer to Note 16 - Commitments and Contingencies)
Sale of Stock [Axis]
Sale of Stock [Domain]
Effect of foreign currency rate fluctuations on cash
us-gaap_OperatingIncomeLoss
Operating income
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Prepaids and other current assets
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Cost of goods sold
us-gaap_GrossProfit
Gross profit
Counterparty Name [Axis]
Counterparty Name [Domain]
Deferred taxes
Provision for inventory reserves
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Payments from stock-based award activities
us-gaap_LettersOfCreditOutstandingAmount
Letters of Credit Outstanding, Amount
us-gaap_ProductWarrantyAccrual
Beginning balance
Ending balance
Proceeds from issuance of common stock in connection with the exercise of warrants
Retained Earnings [Member]
Net sales
us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from Issuance of Common Stock
Additional Paid-in Capital [Member]
Common Stock [Member]
Equity Components [Axis]
Equity Component [Domain]
Other
Long-Term Debt, Total
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding (in shares)
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income (loss) before income taxes
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
Warrants exercised
Value of stock issued as a result of exercises of warrants during this period.
Warrants exercised (in shares)
Stock Issued During Period, Shares, Warrants Exercised (in shares)
Number of shares issued as a result of exercises of warrants during this period.
Southern Kentucky Classics [Member]
Southern Kentucky Classics.
RaceQuip [Member]
RaceQuip.
hlly_GainLossOnTerminationOfLeases
Gain on termination of leases
Gain (loss) related to the termination of leases.
us-gaap_DeferredFinanceCostsNet
Debt Issuance Cost Amortization
Less unamortized debt issuance costs
Principal Payment [Member]
Principal Payment.
John's, Southern Kentucky Classics, and Vesta Motorsports [Member]
John's, Southern Kentucky Classics, and Vesta Motorsports.
us-gaap_RepaymentsOfLongTermDebt
Repayments of Long-Term Debt, Total
Net change under long-term debt
us-gaap_AccountsReceivablePurchase
Accounts Receivable, Purchase
Revenue from Contract with Customer [Text Block]
Machinery and Equipment [Member]
Defined Benefit Plan [Text Block]
Document Quarterly Report
Entity Incorporation, State or Country Code
Long-Term Debt, Gross
us-gaap_DebtInstrumentCarryingAmount
Future Maturities
Accounting Policies [Abstract]
Document Transition Report
Basis of Accounting, Policy [Policy Text Block]
Entity Interactive Data Current
Decapitalization of right-of-use assets upon lease termination and/or modification
Amount of decapitalization of right-of-use assets upon lease termination or modification.
Security Exchange Name
Title of 12(b) Security
Proceeds from long-term debt
us-gaap_SharePrice
Share Price (in dollars per share)
Acquisition and restructuring costs
Acquisition And Restructuring Costs.
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)
Related party acquisition and management fee costs
Related Party Acquisition and Management Fee Costs
Weighted average common shares outstanding - diluted (in shares)
Weighted average common shares outstanding - diluted (in shares)
Warrant liability
Warrant Liability
Represent warrant liability.
Non-US [Member]
Issuance of earn-out shares
Issuance of earn-out shares
Statement [Table]
Statement of Financial Position [Abstract]
Diluted net income (loss) per share (in dollars per share)
Issuance of earn-out shares (in shares)
Issuance of earn-out shares, Shares.
Thereafter
us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Weighted average common shares outstanding - basic (in shares)
us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Total minimum lease commitments
Effective tax rates
Effective Income Tax Rate Reconciliation, Percent, Total
Business Acquisition [Axis]
2025
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
Basic net income (loss) per share (in dollars per share)
Business Acquisition, Acquiree [Domain]
2026
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Empower Sponsor Holdings LLC [Member]
Represents information regarding Empower Sponsor Holdings LLC.
2023
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
Statement of Cash Flows [Abstract]
hlly_IncreaseDecreaseInPrepaidsAndOtherCurrentAssets
Prepaids and other current assets
Represents the increase or decrease in prepaids and other current assets.
Holley Parent Holdings Llc [Member]
Information about Holley Parent Holdings Llc business combination.
2024
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2022 (excluding the thirty-nine weeks ended October 2, 2022), Future Maturities
Statement of Stockholders' Equity [Abstract]
2022
us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
Income Statement [Abstract]
hlly_BusinessCombinationConsiderationEarnOutValue
Business Combination Consideration Earn Out Value
Business Combination Consideration Earn Out Value.
2025, Future Maturities
2026, Future Maturities
Revenue from External Customers by Geographic Areas [Table Text Block]
us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Lessee, Operating Lease, Remaining Lease Term (Year)
Long-Lived Assets by Geographic Areas [Table Text Block]
Merger Agreement [Member]
Name of agreement.
hlly_BusinessCombinationContingentConsiderationSharesIssuableShares
Business Combination Contingent Consideration Shares Issuable, Shares (in shares)
Business Combination Contingent Consideration Shares Issuable Shares.
2023, Future Maturities
hlly_BusinessCombinationConsiderationEarnOutShares
Business Combination Consideration Earn Out Shares (in shares)
Business Combination Consideration Earn Out Shares.
2024, Future Maturities
Finspeed Llc [Member]
Information about Finspeed Llc.
Recapitalization transaction, net
Stock issued in period value, recapitalization transaction net.
hlly_BusinessCombinationIntangibleAssetsIncludingGoodwillAcquired
Business Combination Intangible Assets Including Goodwill Acquired
Business Combination Intangible Assets Including Goodwill Acquired.
Recapitalization transaction, net (in shares)
Stock issued in period, shares, recapitalization transaction, net.
Baer Inc [Member]
Information about Baer Inc Member.
Assumption of warrant liability
Assumption of warrant liability.
Brothers Mail Order Industries Inc [Member]
Information about Brothers Mail Order Industries Inc.
Assumption of earn-out liability
Assumption of earn out liability.
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Johns Acquisition [Member]
Information about Johns acquisition.
Advance Engine Management Inc [Member]
Information about Advance Engine Management Inc.
Proceeds from Business Combination and PIPE financing, net of issuance costs paid
Proceeds from business combination and financing net of issuance costs paid.
hlly_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccrued
Accrued liabilities
Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accrued.
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Transaction [Domain]
Thereafter
hlly_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour
Finite Lived Intangible Assets Amortization Expense After Year Four.
Tradenames
hlly_IndefiniteLivedIntangibleAssetsNet
Indefinite Lived Intangible Assets Net.
Transaction Type [Axis]
hlly_DebtInstrumentWithdrawnAmount
Debt Instrument, Withdrawn Amount
Debt Instrument Withdrawn Amount.
First Lien Note Due November 17, 2028 [Member]
Information about the first lien note.
Earn-out liability
FINANCING ACTIVITIES
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Other noncurrent liabilities
Thereafter, Future Maturities
Long term debt maturities repayments of principal after year four.
Less: fair value adjustment for warrants
The fair value adjustment of warrants due to classification as liabilities.
2026, Debt Issuance Cost Amortization
Amortization of Debt Issuance Costs Year Four.
Thereafter, Debt Issuance Cost Amortization
Amortization of debt issuance costs after year four.
Warrant Liability [Text Block]
Disclosure of warrant liability.
Public Warrants [Member]
Represents public warrants.
2022 (excluding the thirty-nine weeks ended October 2, 2022), Debt Issuance Cost Amortization
Amortization of debt issuance costs remainder of fiscal year.
2023, Debt Issuance Cost Amortization
Amortization of debt issuance costs year one.
2024, Debt Issuance Cost Amortization
Amortization of debt issuance costs year two.
2025, Debt Issuance Cost Amortization
Amortization of debt issuance costs year three.
Pipe Investors [Member]
Information about pipe investors.
Subscription Agreement [Member]
information about subscription agreement.
Finspeed, Classic Instruments, ADS, Rocket and Speartech [Member]
Represents Finspeed, Classic Instruments, ADS, Rocket and Speartech.
Private Placement Warrants [Member]
Represents private placement warrants.
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Delayed Draw Term Loan [Member]
Represents delayed draw term loan.
us-gaap_StockholdersEquity
Total stockholders' equity
Balance
Balance
Amortization of right of use assets
us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Cash paid for acquisitions, net
Class of Stock [Axis]
Class of Stock [Domain]
Long-Term Debt, Excluding Current Maturities, Total
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_PaymentsToAcquireBusinessesGross
Payments to Acquire Businesses, Gross
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
Accounts payable
Property, plant and equipment
Property, plant and equipment