Cover - shares	9 Months Ended
	Sep. 30, 2021	Nov. 08, 2021
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	0-16469
Entity Registrant Name	INTER PARFUMS, INC.
Entity Central Index Key	0000822663
Entity Tax Identification Number	13-3275609
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	551 Fifth Avenue
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10176
City Area Code	(212)
Local Phone Number	983-2640
Title of 12(b) Security	Common Stock, $.001 par value per share
Trading Symbol	IPAR
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		31,733,880