Net Income Attributable to Inter Parfums, Inc. Common Shareholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator:
Net income attributable to Inter Parfums, Inc.	$ 6,744	$ 5,831	$ 20,117	$ 13,165
Denominator:
Weighted average shares	31,169	31,055	31,157	31,047
Effect of dilutive securities: Stock options	112	105	111	90
Denominator for diluted earnings per share	31,281	31,160	31,268	31,137
Net income attributable to Inter Parfums, Inc.
Basic (in dollars per share)	$ 0.22	$ 0.19	$ 0.65	$ 0.42
Diluted (in dollars per share)	$ 0.22	$ 0.19	$ 0.64	$ 0.42