Segment Information, Revenue by Segment (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2020 USD ($) Segment	Mar. 31, 2019 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment		9
Number of geographic segments | Segment		7
Revenue by Segment [Abstract]
Revenue		$ 518,028	$ 623,623
Other [Member]
Revenue by Segment [Abstract]
Revenue		773	(1,426)
Operating Segment [Member] | Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		490,877	594,351
Operating Segment [Member] | Nu Skin [Member] | Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		137,696	208,488
Operating Segment [Member] | Nu Skin [Member] | Americas/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		74,573	86,456
Operating Segment [Member] | Nu Skin [Member] | South Korea [Member]
Revenue by Segment [Abstract]
Revenue		75,719	83,853
Operating Segment [Member] | Nu Skin [Member] | Southeast Asia [Member]
Revenue by Segment [Abstract]
Revenue		69,586	72,495
Operating Segment [Member] | Nu Skin [Member] | Japan [Member]
Revenue by Segment [Abstract]
Revenue		61,300	62,109
Operating Segment [Member] | Nu Skin [Member] | Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		35,827	40,558
Operating Segment [Member] | Nu Skin [Member] | EMEA [Member]
Revenue by Segment [Abstract]
Revenue		35,403	41,818
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	27,147	29,272
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		4	0
Intersegment Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 6,400	$ 5,900

[1] The Manufacturing segment had $6.4 million and $5.9 million of intersegment revenue for the three-month period ended March 31, 2020 and 2019, respectively.  Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.