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Share-Based Payments (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee stock options, fair value of shares vested     $ 50 $ 30
Decrease in income before income tax due to share-based payment expense $ 210 $ 200 420 390
Decrease in income attributable to Inter Parfums, Inc due to share-based payment expense 130 $ 120 $ 250 $ 240
Weighted average remaining contractual life of options outstanding     3 years 4 months 13 days  
Weighted average remaining contractual life of options exercisable     2 years 4 months 6 days  
Aggregate intrinsic value of options outstanding 3,700   $ 3,700  
Aggregate intrinsic value of options exercisable 2,100   2,100  
Unrecognized compensation cost related to stock options $ 2,300   $ 2,300  
Weighted average grant date fair value     $ 6.5 $ 6.73