Segment Information, Revenue by Segment (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment		9
Number of geographic segments | Segment		7
Revenue by Segment [Abstract]
Revenue		$ 2,581,934	$ 2,420,416	$ 2,679,008
Other [Member]
Revenue by Segment [Abstract]
Revenue		(17)	1,621	3,423
Operating Segment [Member] | Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		2,431,692	2,298,362	2,588,402
Operating Segment [Member] | Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		625,538	722,526	886,472
Operating Segment [Member] | Americas/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		511,941	349,078	385,034
Operating Segment [Member] | South Korea [Member]
Revenue by Segment [Abstract]
Revenue		326,478	329,978	373,357
Operating Segment [Member] | Southeast Asia [Member]
Revenue by Segment [Abstract]
Revenue		302,708	301,620	316,890
Operating Segment [Member] | Japan [Member]
Revenue by Segment [Abstract]
Revenue		273,681	260,039	254,939
Operating Segment [Member] | EMEA [Member]
Revenue by Segment [Abstract]
Revenue		230,246	167,165	182,394
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		161,117	166,335	185,893
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	149,339	121,917	90,606
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		903	137	0
Intersegment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 39,400	$ 25,700	$ 23,500

[1] The Manufacturing segment had $39.4 million, $25.7 million and $23.5 million of intersegment revenue for the years ended December 31, 2020, 2019 and 2018, respectively.  Intersegment revenue is eliminated in the consolidated financial statements and in the table above.