Net Income Attributable to Inter Parfums, Inc. Common Shareholders (Details) - Schedule of earnings per share, basic and diluted - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net income attributable to Inter Parfums, Inc. (in Dollars)	$ 16,538	$ 20,848	$ 23,480	$ 52,059
Denominator:
Weighted average shares	31,533	31,452	31,531	31,444
Effect of dilutive securities:
Stock options	86	224	120	237
Denominator for diluted earnings per share	31,619	31,676	31,651	31,681
Net income attributable to Inter Parfums, Inc.
Basic (in Dollars per share)	$ 0.52	$ 0.66	$ 0.74	$ 1.66
Diluted (in Dollars per share)	$ 0.52	$ 0.66	$ 0.74	$ 1.64