Net Income Attributable to Inter Parfums, Inc Common Shareholders (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net income attributable to Inter Parfums, Inc.	$ 10,007us-gaap_NetIncomeLoss	$ 8,894us-gaap_NetIncomeLoss
Denominator:
Weighted average shares	30,979,000	30,900,000
Effect of dilutive securities: Stock options	93,000	158,000
Denominator for diluted earnings per share	31,072,000	31,058,000
Earnings per share:
Basic	$ 0.32us-gaap_EarningsPerShareBasic	$ 0.29us-gaap_EarningsPerShareBasic
Diluted	$ 0.32us-gaap_EarningsPerShareDiluted	$ 0.29us-gaap_EarningsPerShareDiluted
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially antidilutive common shares	270,000	130,000

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