Net Income Attributable to Inter Parfums, Inc. Common Shareholders (Details) - Schedule of earnings per share, basic and diluted - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income attributable to Inter Parfums, Inc. (in Dollars)	$ 10,059	$ 18,894
Denominator:
Weighted average shares	31,530	31,431
Effect of dilutive securities:
Stock options	178	248
Denominator for diluted earnings per share	31,708	31,679
common shareholders:
Basic (in Dollars per share)	$ 0.32	$ 0.60
Diluted (in Dollars per share)	$ 0.32	$ 0.60