Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest [Abstract] Antidilutive potential common shares excluded from computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Foreign Currency Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value Foreign currency forward exchange contracts not accounted for using hedge accounting Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Foreign currency forward exchange contracts not accounted for using hedge accounting Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Equity, Including Portion Attributable to Noncontrolling Interest Schedule of Revenues from External Customers and Long-Lived Assets [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Options granted Aggregate intrinsic value of options outstanding and options exercisable Aggregate intrinsic value of options outstanding and options outstanding Weighted average remaining contractual life of options exercisable (in years) Weighted average remaining contractual life of options outstanding (in years) Income before income taxes Intrinsic value of stock options exercised Weighted average exercise price options exercisable Weighted average exercise price options exercised Weighted average exercise price options forfeited Options forfeited Weighted average grant date fair value, vested or forfeited Nonvested options vested or forfeited Derivative Instruments, Gain (Loss) [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] The reconciliation between the numerators and denominators of the basic and diluted EPS computations is as follows: The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value. Cash and cash equivalents - end of period Cash and cash equivalents - beginning of period Adjustments to reconcile net income to net cash used in operating activities: Comprehensive income attributable to the noncontrolling interests Comprehensive income attributable to the noncontrolling interests: Comprehensive income Income before income taxes Net book value for finite-lived Intangible assets Effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Denominator: Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Supplemental disclosure of cash flow information: Supplemental Cash Flow Elements [Abstract] Other comprehensive income: Statement of Comprehensive Income [Abstract] Net income attributable to Interparfums, Inc. common shareholders: Earnings Per Share, Diluted [Abstract] Denominator for diluted earnings per share Inventories Finite Lived Intangible Assets Net Share-based payment expense Interest expense Interest Expense, Nonoperating Noncash additions to operating lease assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Noncash additions to operating lease assets Geographical [Domain] Number of Product Lines Number of product lines The number of product lines which the reporting entity manufactures and distributes. Foreign Currency Fair Value Hedge Asset at Fair Value Liabilities, Fair Value Disclosure, Total Total liabilities at fair value Liabilities: Fair Value Hierarchy and NAV [Domain] Title and Position [Domain] Consolidated Entities [Domain] Derivative Contract [Domain] Material Terms of Trading Arrangement [Text Block] Trading Arrangement, Individual Name Trading Arrangement, Individual Title Trading Arrangement Adoption Date Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Terminated [Flag] Trading Arrangement Termination Date Trading Arrangement Expiration Date Trading Arrangement Duration Trading Arrangement, Securities Aggregate Available Amount All Individuals [Member] Individual [Axis] All Trading Arrangements [Member] Trading Arrangement [Axis] Trading Arrangements, by Individual [Table] Non-Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Adopted [Flag] Insider Trading Arrangements [Line Items] Measurement Frequency [Domain] Area of Real Estate Property Impairment of intangible assets Impairment of Intangible Assets, Finite-Lived Area of Real Estate Property The number of inner courtyards located in an office complex. Number of inner courtyards Number of Inner Courtyards The number of buildings located in an office complex. Number of buildings Number of Buildings Trademarks [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] The element represents rochas fashion member. Rochas Fashion [Member] Statistical Measurement [Domain] Long-Lived Tangible Asset [Domain] Ownership [Domain] Business Acquisition, Acquiree [Domain] Lacoste [Member] Accumulated other comprehensive loss Equity Component [Domain] Statement of Stockholders' Equity [Abstract] Investments, Fair Value Disclosure Net Cash Provided by (Used in) Financing Activities Payments of Ordinary Dividends, Noncontrolling Interest Payments of Ordinary Dividends, Common Stock Repayments of Long-Term Debt Payments to Acquire Intangible Assets Payments to Acquire Property, Plant, and Equipment Increase (Decrease) in Other Operating Assets Increase (Decrease) in Inventories Increase (Decrease) in Accounts Receivable Unrealized Gain (Loss) on Derivatives Income (Loss) from Equity Method Investments Dividends, Cash Comprehensive income attributable to Interparfums, Inc. Operating Income (Loss) Gross Profit Liabilities and Equity Total Interparfums, Inc. shareholders’ equity Liabilities, Current Assets, Current Roberto Cavalli [Member] Interparfums SA [Member] Interparfums SA Subsidiary [Member] Employees [Member] Eliminations [Member] Rochas Fashion [Member] The element represents interparfums s a member. Total assets Net income attributable to Interparfums, Inc (in dollars) Revenues from External Customers and Long-Lived Assets [Line Items] Diluted (in dollars per share) Basic (in dollars per share) Diluted (in shares) Stock options Basic (in shares) Net income attributable to Interparfums, Inc. Recognized as compensation cost Unrecognized compensation cost Share-based payment arrangement, expense Fair value of shares vested Options vesting period Subsidiary or Equity Method Investee [Line Items] Subsidiary or Equity Method Investee, Sale of Stock [Table] Options exercisable Options exercised Nonvested options granted Operating Lease, Cost Operating Lease, Payments Operating lease, weighted average discount rate, percent Operating lease, weighted average remaining lease term Maturity of foreign currency Forward exchange contracts Derivative swap interest rate Loan amount Derivative Instruments, Gain (Loss) [Line Items] Foreign currency forward exchange contracts accounted for using hedge accounting Interest rate swaps Short-term investments Assets: Fair Value, Recurring and Nonrecurring [Table] Finished goods Fixed interest rate Variable interest rate Debt instrument, face amount Description of debt instrument interest rate terms Long-term line of credit Long-term debt, term Cash held in escrow is included in other assets Depreciated over a range Acquisition costs, period cost Purchase price, period cost Ownership percentage Description of recent agreement Business Acquisition [Line Items] Schedule of Business Acquisitions, by Acquisition [Table] Information on our operations by segments is as follows: Inventories consist of the following: Segment and Geographic Areas: Segment Reporting [Abstract] Earnings Per Share [Abstract] Share-Based Payments: Equity [Abstract] Leases: Leases [Abstract] Derivative Financial Instruments: Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair Value Measurement: Fair Value Disclosures [Abstract] Inventories: Inventory Disclosure [Abstract] Recent Accounting Pronouncements: Accounting Changes and Error Corrections [Abstract] Recent Agreements: Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Significant Accounting Policies: Accounting Policies [Abstract] Interest Cash paid for: Effect of exchange rate changes on cash Net cash used in financing activities Dividends paid to noncontrolling interest Dividends paid Proceeds from exercise of options Repayment of long-term debt Cash flows from financing activities: Payment for intangible assets acquired Purchases of property, equipment and leasehold improvements Cash flows from investing activities: Accounts payable and accrued expenses Operating lease liabilities Other assets Inventories Accounts receivable Changes in: Change in fair value of derivatives Deferred tax provision Share of income of equity investment Noncash stock compensation Provision for doubtful accounts Depreciation and amortization Cash flows from operating activities: Statement of Cash Flows [Abstract] Ending Balance Dividends The element represents interparfums sa subsidiary member. Shares issued upon exercise of stock options Beginning Balance Statement [Line Items] Statement [Table] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net income Other comprehensive income: Net income Comprehensive income: Dividends declared per share Denominator for diluted earnings per share Weighted average shares Weighted average number of shares outstanding: Diluted Basic Net income attributable to Interparfums, Inc. Less:  Net income attributable to the noncontrolling interest Net income Income taxes Income from operations Selling, general and administrative expenses Gross margin Cost of sales Net sales Income Statement [Abstract] Treasury stock, shares Common stock, outstanding Common stock, authorized Common Stock, Par or Stated Value Per Share Preferred stock, issued Preferred stock, authorized Preferred Stock, Par or Stated Value Per Share Total liabilities and equity Total equity Noncontrolling interest Equity, Attributable to Parent Retained earnings Additional paid-in capital Preferred stock, $.001 par; authorized 1,000,000 shares; none issued Equity: Lease liabilities, less current portion Long–term debt, less current portion Total current liabilities Income taxes payable Accrued expenses Accounts payable – trade Current portion of lease liabilities Current portion of long-term debt Current liabilities: LIABILITIES AND EQUITY Total assets Other assets Deferred tax assets Trademarks, licenses and other intangible assets, net Right-of-use assets, net Property, equipment and leasehold improvements, net Total current assets Income taxes receivable Other current assets Receivables, other Inventories Accounts receivable, net Short-term investments Cash and cash equivalents Current assets: ASSETS Statement of Financial Position [Abstract] Documents Incorporated by Reference [Text Block] Entity Common Stock, Shares Outstanding Entity Bankruptcy Proceedings, Reporting Current Entity Public Float Entity Shell Company Other Reporting Standard Item Number Document Accounting Standard Elected Not To Use the Extended Transition Period Entity Emerging Growth Company Entity Small Business Entity Filer Category Entity Interactive Data Current Entity Current Reporting Status Entity Voluntary Filers Entity Well-known Seasoned Issuer Audited Annual Financial Statements Annual Information Form Security Reporting Obligation Title of 12(g) Security Security Exchange Name Trading Symbol No Trading Symbol Flag Title of 12(b) Security Pre-commencement Issuer Tender Offer Pre-commencement Tender Offer Soliciting Material Written Communications Extension Local Phone Number City Area Code Country Region Entity Address, Postal Zip Code Entity Address, Country Entity Address, State or Province Entity Address, City or Town Entity Address, Address Line Three Entity Address, Address Line Two Entity Address, Address Line One Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Primary SIC Number Entity Central Index Key Entity Registrant Name Entity File Number Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Document Period Start Date Document Shell Company Event Date Document Shell Company Report Document Transition Report Document Quarterly Report Document Annual Report Document Registration Statement Amendment Description Amendment Flag Document Type Cover [Abstract] The element represents employees member. UNITED STATES Geographical [Axis] Title and Position [Axis] Consolidated Entities [Axis] Equity Option [Member] Foreign Exchange Contract [Member] Interest Rate Swap [Member] Derivative Instrument [Axis] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Recurring [Member] Measurement Frequency [Axis] Maximum [Member] Minimum [Member] Statistical Measurement [Axis] Building [Member] Land [Member] Long-Lived Tangible Asset [Axis] The element represents eliminations member. Ownership [Axis] The element represents roberto cavalli member. Business Acquisition [Axis] Noncontrolling Interest [Member] The element represents lacoste member. AOCI Attributable to Parent [Member] Retained Earnings [Member] Equity Components [Axis] Additional Paid-in Capital [Member] Common Stock [Member] Van Cleef & Arpels The element represents van cleef & arpels member. Van Cleef and Arpels [Member] Earnings Per Share, Diluted, Other Disclosure [Abstract] Earnings per share: Net income attributable to Inter Parfums, Inc Interparfums, Inc. shareholders’ equity: Equity, Attributable to Parent [Abstract] Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] The period of extension time for the distribution agreement optional terms of termination period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. The period of extension time for the distribution contractual agreements, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Pension benefits, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Noncontrolling Interest Pension benefits, net of tax Aggregate cost of shares acquired for issuance of award Share-Based Payment Arrangement, Plan Modification, Incremental Cost Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Share-based compensation arrangement by share-based payment award, award requisite service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period The period of time for the contractual agreements or contract duration, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Date of license agreement expiration, in YYYY-MM-DD format. License agreement expiration date License Agreement Expiration Date Transfer from other comprehensive income into earnings Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Distribution agreement optional terms of termination period Distribution Agreement Optional Terms Of Termination Period Distribution agreement extension period This member stands for the information pertaining to "Amorepacific Europe". Amorepacific Europe [Member] Related Party Transaction [Domain] Related Party Transaction [Axis] Distribution Agreement Extension Period This member stands for the information pertaining to "Fierce fragrance". Fierce Fragrance [Member] This member stands for the information pertaining to "Abercrombie & Fitch and Hollister". Abercrombie & Fitch and Hollister [Member] This member stands for the information pertaining to "Coach". Coach [Member] This member stands for the information pertaining to "Maison Goutal". Maison Goutal [Member] Income taxes Income Taxes Paid Net Proceeds from sale of short-term investments Proceeds from Sale, Maturity and Collection of Short-Term Investments Purchases of short-term investments Payments To Acquire Short Term Investments Income taxes, net Increase Decrease in Accrued Income Taxes Payable Noncash lease expense Operating Lease Right of Use Asset Amortization Expense Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Transfer from OCI into earnings Loans payable - banks Shares acquired for issuance of award Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award Aggregate cost Tax benefits Share-Based Payment Arrangement, Exercise of Option, Tax Benefit Cash proceeds from stock options exercised Equity option Share-based compensation arrangement by share-based payment award, award expiration period Share-Based Payment Arrangement, Option [Member] Award Type [Domain] Award Type [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period The element represents operating lease of related to rental expenses. Operating leases, rent expense Operating lease related to rental expenses Raw materials and component parts Inventory, Raw Materials and Supplies, Gross Trademarks (indefinite lives), Net Book Value Indefinite-Lived Intangible Assets (Excluding Goodwill) Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) Impairment charge for indefinite useful lives The renewal period of time for the contractual agreements, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. License agreement renewal period License agreement renewal period License agreement extension period The period of extension time for the contractual agreements, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. License agreement extension period License agreement expiration period License agreement expiration period Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Concentration Risk, Threshold Percentage Net sales percentage defined as group of customers in country The threshold percentage of concentration risk. Revenue from export sales The amount of revenue arising from export sales of reporting entity during the reporting period. Revenue From Export Sales Segment Reporting Information [Line Items] FRANCE United States [Member] United States based operations [Member] Customer Concentration Risk [Member] Concentration Risk Type [Domain] Concentration Risk Type [Axis] Revenue from Contract with Customer Benchmark [Member] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Axis] Schedule of Segment Reporting Information, by Segment [Table] Additions to long-lived assets Segment, Expenditure, Addition to Long-Lived Assets Income tax expense Total income tax expense Total income tax expense Depreciation and amortization expense Reconciliation: Segment income from operations Segment Reporting, Other Segment Item, Amount Other segment items Royalties Royalty expense Employee related costs Labor and Related Expense Advertising and Promotion Marketing and Advertising Expense Less: Operating Costs and Expenses [Abstract] Segment gross margin Shipping and handling costs Less: Cost of Revenue [Abstract] Revenue European based operations [Member] European based operations [Member] This member stands for the information pertaining to "European based operations". United States based operations [Member] United States based operations [Member] This member stands for the information pertaining to "United States based operations". Segments [Domain] Segments [Axis] Geography Eliminations [Member] Reportable Geographical Components [Member] Operating Segments [Member] Consolidation Items [Domain] Consolidation Items [Axis] Dividends declared per share (in dollars per share) Treasury Stock, Common [Member] Treasury Stock [Member] Total assets Assets, Fair Value Disclosure, Total Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, granted Number of share distributed Common Stock, Capital Shares Reserved for Future Issuance Foreign Currency Fair Value Hedge Liability at Fair Value Foreign currency forward exchange contracts accounted for using hedge accounting Proceeds from (Repayments of) Lines of Credit Proceeds from loans payable, bank Longchamp [Member] This member stands for the information pertaining to "Longchamp". Longchamp [Member] Stock Issued During Period, Shares, Stock Splits Shares adjusted for stock splits distributed Stock Repurchased During Period Value Shares repurchased Payments For Repurchase Of Equity Purchase of treasury stock Payments to Noncontrolling Interests Purchase of subsidiary shares from noncontrolling interests Net Cash Provided by (Used in) Investing Activities Net cash (used in) provided by investing activities Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Common stock, issued Number of Reportable Segments Other expenses (income): Other expenses (income): Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Nonvested options - end of period Nonvested options - beginning of period Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Weighted average grant date fair value, end of period Weighted average grant date fair value, beginning of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Options shares under option - end of period Options shares under option - beginning of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price shares under option - end of period Weighted average exercise price shares under option - beginning of period GUESS Inc. [Member] GUESS Inc. [Member] This member stands for the information pretraining to "GUESS Inc.". Nautica [Member] Nautica [Member] This member stands for information pertaining to "Nautica". David Beckham [Member] David Beckham [Member] This member stands for information pertaining to "David Beckham". Gain (Loss), Foreign Currency Transaction, before Tax Loss (gain) on foreign currency Loss on foreign currency Loss (gain) on foreign currency The following table summarizes stock option information as of March 31, 2026: The following table sets forth information with respect to nonvested options for the three months ended March 31, 2026: Cash proceeds, tax benefits and intrinsic value related to stock options exercised during the three months ended March 31, 2026 and 2025 were as follows: Investment Income, Net Interest and investment income (loss) Interest and investment income Interest and investment (income) loss Other expense (income) Other income Other Nonoperating Income (Expense) Other (income) loss Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments and Tax Net derivative instrument gain, net of tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments and Tax, Noncontrolling Interest Net derivative instrument gain, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest Foreign currency translation adjustments Adjustments to Additional Paid in Capital, Other Other Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Interest Rate Fair Value Hedge Liability at Fair Value Interest rate swaps Options available for future grants Options granted Number of shares available for grant (in shares) Performance Shares [Member] Deferred Compensation Arrangement with Individual, Recorded Liability Estimated expense for the plan Common stock, $.001 par; authorized 100,000,000 shares; outstanding 32,025,781 and 32,067,285 shares at March 31, 2026 and December 31, 2025, respectively Treasury Stock, Value Treasury stock, at cost, 9,078,844 and 9,032,840 shares at March 31, 2026 and December 31, 2025, respectively Nonoperating Income (Expense) Nonoperating Income (Expense) Deferred Income Tax Liabilities, Net Deferred tax liabilities Net Income Attributable to Interparfums, Inc. Common Shareholders: Foreign currency translation adjustments Foreign currency translation adjustment Net derivative instrument gain, net of tax Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax Transfer of subsidiary shares purchased The element represents transfer of subsidiary shares purchased to treasury shares. Transfer of Subsidiary Shares Purchased to Treasury Shares