v3.26.1
Other segment disclosures: (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net income attributable to Inter Parfums, Inc $ 43,366 $ 42,492  
Depreciation and amortization expense 5,799 5,927  
Interest and investment (income) loss 2,318 581  
Interest expense 1,434 1,545  
Income tax expense 18,503 18,008  
Additions to long-lived assets [1] 3,138 23,935  
Total assets 1,542,783   $ 1,585,248
United States based operations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 345,267   369,871
European based operations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 1,212,956   1,229,174
Eliminations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets (15,440)   $ (13,797)
Reportable Geographical Components [Member] | United States based operations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net income attributable to Inter Parfums, Inc 8,422 8,668  
Depreciation and amortization expense 1,478 1,680  
Interest and investment (income) loss 365 232  
Interest expense 116 210  
Income tax expense 1,666 1,712  
Additions to long-lived assets [1] 1,408 170  
Reportable Geographical Components [Member] | European based operations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net income attributable to Inter Parfums, Inc 36,524 35,209  
Depreciation and amortization expense 4,321 4,247  
Interest and investment (income) loss 1,953 349  
Interest expense 1,318 1,335  
Income tax expense 16,959 16,449  
Additions to long-lived assets [1] 1,730 23,765  
Geography Eliminations [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net income attributable to Inter Parfums, Inc (1,580) (1,385)  
Income tax expense $ (122) $ (153)  
[1] Total long-lived assets include property, equipment and leasehold improvements, trademarks, licenses, and other intangible assets, and right-of-use assets.