Net Income Attributable to Inter Parfums, Inc. Common Shareholders (Details) - Schedule of earnings per share, basic and diluted - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Numerator for diluted earnings per share (in Dollars)	$ 60,249	$ 53,793	$ 41,594
Denominator:
Weighted average shares	31,451,093	31,307,991	31,172,285
Effect of dilutive securities:
Stock options	237,607	214,380	132,816
Denominator for diluted earnings per share	31,688,700	31,522,371	31,305,101
common shareholders:
Basic (in Dollars per share)	$ 1.92	$ 1.72	$ 1.33
Diluted (in Dollars per share)	$ 1.90	$ 1.71	$ 1.33