Recent Agreements (Details) € in Millions, $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)	Mar. 31, 2021 EUR (€)	Mar. 31, 2021 EUR (€)
Business Acquisition [Line Items]
License agreements, description	In April 2021, our majority owned Paris-based subsidiary, Interparfums SA, completed the acquisition of its future headquarters at 10 rue de Solférino in the 7th arrondissement of Paris from the property developer, Apsys. This is an office complex combining three buildings connected by two inner courtyards, which consists of approximately 40,000 total sq. ft.	In April 2021, our majority owned Paris-based subsidiary, Interparfums SA, completed the acquisition of its future headquarters at 10 rue de Solférino in the 7th arrondissement of Paris from the property developer, Apsys. This is an office complex combining three buildings connected by two inner courtyards, which consists of approximately 40,000 total sq. ft.
Purchase price for building amount	$ 149.0	€ 125
Renovation of site and financed term	10 years		10 years
Bank loan to take advantage of low current interest rates	$ 143.0		€ 120
Anna Sui Corp [Member]
Business Acquisition [Line Items]
License agreements, description	Our initial 10-year license agreement with Anna Sui Corp. was signed in 2011. The renewal agreement also allows for an additional 5-year term through 2031 at the option of the Company.	Our initial 10-year license agreement with Anna Sui Corp. was signed in 2011. The renewal agreement also allows for an additional 5-year term through 2031 at the option of the Company.
Rochas Fashion [Member]
Business Acquisition [Line Items]
Impairment charge	$ 2.4

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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