Segment Information, Revenue by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Segment	Sep. 30, 2019 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment				9
Number of geographic segments | Segment				7
Revenue by Segment [Abstract]
Revenue		$ 703,347	$ 589,934	$ 1,833,741	$ 1,837,057
Other [Member]
Revenue by Segment [Abstract]
Revenue		(314)	(62)	374	(239)
Operating Segment [Member] | Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		662,415	559,333	1,727,430	1,745,597
Operating Segment [Member] | Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		169,068	173,974	453,096	567,795
Operating Segment [Member] | Americas/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		151,465	83,635	353,957	262,932
Operating Segment [Member] | South Korea [Member]
Revenue by Segment [Abstract]
Revenue		83,460	79,435	236,094	248,020
Operating Segment [Member] | Southeast Asia [Member]
Revenue by Segment [Abstract]
Revenue		84,102	78,963	220,517	226,853
Operating Segment [Member] | Japan [Member]
Revenue by Segment [Abstract]
Revenue		70,958	67,197	200,549	194,557
Operating Segment [Member] | EMEA [Member]
Revenue by Segment [Abstract]
Revenue		61,411	35,742	147,590	120,960
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		42,265	40,449	115,253	124,719
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	40,910	30,601	105,975	91,430
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		22	0	336	30
Intersegment Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 10,900	$ 7,100	$ 24,200	$ 19,500

[1] The Manufacturing segment had $10.9 million and $7.1 million of intersegment revenue for the three months ended September 30, 2020 and 2019, respectively, and $24.2 million and $19.5 million for the nine months ended September 30, 2020 and 2019, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.