Segments and Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 129,136	$ 117,157	$ 272,194	$ 228,679
Net income attributable to Inter Parfums, Inc.	6,744	5,831	20,117	13,165
Total assets	732,470	682,409	732,470	682,409	$ 682,409
United States [Member]
Segment Reporting Information [Line Items]
Net sales	22,598	28,561	46,287	47,946
Net income attributable to Inter Parfums, Inc.	594	1,557	1,466	1,954
Total assets	99,500	89,930	99,500	89,930
Europe [Member]
Segment Reporting Information [Line Items]
Net sales	106,806	88,656	226,533	180,812
Net income attributable to Inter Parfums, Inc.	6,150	4,274	18,651	11,211
Total assets	642,224	602,077	642,224	602,077
Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(268)	(60)	(626)	(79)
Total assets	$ (9,254)	$ (9,598)	$ (9,254)	$ (9,598)