Segment Information, Revenue by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) Segment	Sep. 30, 2018 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment				9
Number of geographic segments | Segment				7
Number of new segments previously included in Other category | Segment				2
Revenue by Segment [Abstract]
Revenue		$ 589,934	$ 675,312	$ 1,837,057	$ 1,995,721
Other [Member]
Revenue by Segment [Abstract]
Revenue		(62)	1,378	(239)	2,643
Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		173,974	226,645	567,795	669,432
Americas/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		83,635	93,580	262,932	289,859
South Korea [Member]
Revenue by Segment [Abstract]
Revenue		79,435	89,963	248,020	270,517
Southeast Asia [Member]
Revenue by Segment [Abstract]
Revenue		78,963	86,307	226,853	236,390
Japan [Member]
Revenue by Segment [Abstract]
Revenue		67,197	63,649	194,557	190,986
Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		40,449	44,949	124,719	138,147
EMEA [Member]
Revenue by Segment [Abstract]
Revenue		35,742	42,819	120,960	131,810
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	30,601	26,022	91,430	65,937
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		0	0	30	0
Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		559,333	649,290	1,745,597	1,929,784
Intersegment Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 7,100	$ 7,400	$ 19,500	$ 17,200

[1] The Manufacturing segment had $7.1 million and $7.4 million of intersegment revenue for the three-months ended September 30, 2019 and 2018, respectively, and $19.5 million and $17.2 million, for the nine months ended September 30, 2019 and 2018, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.