Net Income Attributable to Inter Parfums Inc Common Shareholders (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator:
Net income attributable to Inter Parfums, Inc.	$ 11,113	$ 7,854	$ 26,115	$ 43,365
Effect of dilutive securities of consolidated subsidiary				(176)
Numerator for diluted earnings per share	$ 11,113	$ 7,854	$ 26,115	$ 43,189
Denominator:
Weighted average shares	30,941,000	30,796,000	30,927,000	30,743,000
Effect of dilutive securities, stock options	113,000	190,000	133,000	185,000
Denominator for diluted earnings per share	31,054,000	30,986,000	31,060,000	30,928,000
Earnings per share:
Basic	$ 0.36	$ 0.26	$ 0.84	$ 1.41
Diluted	$ 0.36	$ 0.25	$ 0.84	$ 1.40
Antidilutive potential common shares excluded from computation of earnings per share	130,000		130,000	40,000