Segment Information, Revenue by Segment (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2021 USD ($) Segment	Mar. 31, 2020 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment		9
Number of geographic segments | Segment		7
Revenue by Segment [Abstract]
Revenue		$ 677,026	$ 518,028
Other [Member]
Revenue by Segment [Abstract]
Revenue		705	773
Operating Segment [Member] | Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		630,868	490,877
Operating Segment [Member] | Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		149,593	137,696
Operating Segment [Member] | Americas/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		149,465	74,573
Operating Segment [Member] | South Korea [Member]
Revenue by Segment [Abstract]
Revenue		81,131	75,719
Operating Segment [Member] | EMEA [Member]
Revenue by Segment [Abstract]
Revenue		76,180	35,403
Operating Segment [Member] | Japan [Member]
Revenue by Segment [Abstract]
Revenue		69,864	61,300
Operating Segment [Member] | Southeast Asia [Member]
Revenue by Segment [Abstract]
Revenue		67,585	69,586
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		36,345	35,827
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	45,985	27,147
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		173	4
Intersegment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 17,400	$ 6,400

[1] The Manufacturing segment had $17.4 million and $6.4 million of intersegment revenue for the three-month period ended March 31, 2021 and 2020, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.