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Share Based Payments (Details Narrative)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2018
€ / shares
shares
Sep. 30, 2016
USD ($)
$ / shares
shares
Sep. 30, 2016
€ / shares
shares
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
$ / shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Expiration period             6 years      
Allocated share-based compensation expense         $ 950 $ 570 $ 1,900 $ 1,080    
Allocated share-based compensation expense, effect on net income attributable to parent         560 $ 360 $ 1,140 $ 680    
Weighted average remaining contractual period of options outstanding             3 years 7 months 9 days      
Weighted average remaining contractual life of options exercisable             2 years 29 days      
Aggregate intrinsic value of options outstanding         17,000   $ 17,000      
Aggregate intrinsic value of options exercisable         8,100   8,100      
Unrecognized compensation cost related to stock options         $ 4,200   $ 4,200      
Weighted average grant date fair value | $ / shares             $ 14.83 $ 10.73    
Compensation cost     $ 3,400              
Aggregate cost of shares acquired             $ 5,800      
Shares acquired | shares             131,613      
Interparfums SA Subsidiary [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Ownership percentage     73.00% 73.00%            
Number of shares authorized | shares 148,864 148,864 173,056 173,056         148,864  
Weighted average grant date fair value | $ / shares $ 30.90   $ 19.20              
Compensation cost $ 4,900                  
Value of shares purchased for award             $ 300   $ 3,700 $ 3,700
Number of shares purchased for award | shares             8,056   165,000 165,000
Aggregate number of shares plan for grant | shares 26,600                  
Interparfums SA Subsidiary [Member] | Officers And Managers [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Aggregate shares plan for grant to officers and managers | shares 133,000   133,000              
Interparfums SA Subsidiary [Member] | Employees [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Aggregate number of shares plan for grant | shares     15,100              
Interparfums SA Subsidiary [Member] | Euro [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average grant date fair value | € / shares   € 27.45   € 16.87            
Equity Option [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Fair value of shares vested             $ 70 $ 40    
Equity Option [Member] | Minimum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period             4 years      
Equity Option [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period             5 years