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Net Income Attributable to Inter Parfums, Inc. Common Shareholders (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Numerator:      
Numerator for diluted earnings per share $ 30,437 $ 29,436 $ 39,211
Denominator:      
Weighted average shares 30,996,137 30,931,308 30,763,955
Effect of dilutive securities: Stock options 104,078 129,018 189,927
Denominator for diluted earnings per share 31,100,215 31,060,326 30,953,882
Earnings per share:      
Basic $ 0.98 $ 0.95 $ 1.27
Diluted $ 0.98 $ 0.95 $ 1.27