CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 178,242	$ 171,767
Cost of sales	68,401	66,138
Gross margin	109,841	105,629
Selling, general and administrative expenses	76,552	75,231
Income from operations	33,289	30,398
Other expenses (income):
Interest expense	626	462
Loss on foreign currency	151	206
Interest income	(1,906)	(1,745)
Other expenses (income)	(1,129)	(1,077)
Income before income taxes	34,418	31,475
Income taxes	9,440	9,613
Net income	24,978	21,862
Less: Net income attributable to the noncontrolling interest	6,084	5,953
Net income attributable to Inter Parfums, Inc.	$ 18,894	$ 15,909
Net income attributable to Inter Parfums, Inc. common shareholders:
Basic (in dollars per share)	$ 0.6	$ 0.51
Diluted (in dollars per share)	$ 0.6	$ 0.51
Weighted average number of shares outstanding:
Basic (in shares)	31,431	31,267
Diluted (in shares)	31,679	31,429
Dividends declared per share (in dollars per share)	$ 0.28	$ 0.21