Segment Information, Revenue by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) Segment	Sep. 30, 2020 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment				10
Number of geographic segments | Segment				7
Number of Rhyz Investments segments | Segment				3
Revenue by Segment [Abstract]
Revenue		$ 641,152	$ 703,347	$ 2,022,233	$ 1,833,741
Other [Member]
Revenue by Segment [Abstract]
Revenue		889	(314)	2,350	374
Operating Segment [Member] | Nu Skin [Member]
Revenue by Segment [Abstract]
Revenue		598,609	662,415	1,885,163	1,727,430
Operating Segment [Member] | Mainland China [Member]
Revenue by Segment [Abstract]
Revenue		134,291	169,068	438,066	453,096
Operating Segment [Member] | Americas [Member]
Revenue by Segment [Abstract]
Revenue		131,482	133,618	403,755	312,436
Operating Segment [Member] | South Korea [Member]
Revenue by Segment [Abstract]
Revenue		91,989	83,460	261,724	236,094
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Revenue by Segment [Abstract]
Revenue		79,081	101,949	246,338	262,038
Operating Segment [Member] | EMEA [Member]
Revenue by Segment [Abstract]
Revenue		55,839	61,411	215,134	147,590
Operating Segment [Member] | Japan [Member]
Revenue by Segment [Abstract]
Revenue		65,117	70,958	203,001	200,549
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Revenue by Segment [Abstract]
Revenue		39,921	42,265	114,795	115,253
Operating Segment [Member] | Rhyz Investments [Member]
Revenue by Segment [Abstract]
Revenue		42,543	40,932	137,070	106,311
Operating Segment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue	[1]	41,635	40,910	135,760	105,975
Operating Segment [Member] | Grow Tech [Member]
Revenue by Segment [Abstract]
Revenue		783	22	1,147	336
Operating Segment [Member] | Rhyz Other [Member]
Revenue by Segment [Abstract]
Revenue		125	0	163	0
Intersegment [Member] | Manufacturing [Member]
Revenue by Segment [Abstract]
Revenue		$ 27,400	$ 10,900	$ 68,000	$ 24,200

[1] The Manufacturing segment had $27.4 million and $10.9 million of intersegment revenue for the three months ended September 30, 2021 and 2020, respectively, and $68.0 million and $24.2 million for the nine months ended September 30, 2021 and 2020, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.