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Net Income Attributable to Inter Parfums, Inc Common Shareholders (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Numerator:        
Net income attributable to Inter Parfums, Inc. $ 4,351 $ 6,109 $ 14,358 $ 15,003
Effect of dilutive securities of consolidated subsidiary        
Numerator for diluted earnings per share $ 4,351 $ 6,109 $ 14,358 $ 15,003
Denominator:        
Weighted average shares 30,988 30,938 30,984 30,919
Effect of dilutive securities: Stock options 119 131 105 144
Denominator for diluted earnings per share 31,107 31,069 31,089 31,063
Earnings per share:        
Basic $ 0.14 $ 0.20 $ 0.46 $ 0.49
Diluted $ 0.14 $ 0.20 $ 0.46 $ 0.48
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Potentially antidilutive common shares 260 130 270 130