Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Contribution [Abstract]
Operating income	$ 48,268	$ 110,847	$ 233,992
Other income (expense)	(21,690)	(21,877)	(1,533)
Income before provision for income taxes	26,578	88,970	232,459
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	368,043	421,926	588,425
Operating Segment [Member] | Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	376,286	424,536	571,892
Operating Segment [Member] | Americas [Member]
Segment Contribution [Abstract]
Operating income	78,943	97,298	103,067
Operating Segment [Member] | Mainland China [Member]
Segment Contribution [Abstract]
Operating income	62,259	72,362	151,645
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	47,743	75,902	72,774
Operating Segment [Member] | South Korea [Member]
Segment Contribution [Abstract]
Operating income	74,091	78,811	110,328
Operating Segment [Member] | Japan [Member]
Segment Contribution [Abstract]
Operating income	54,076	51,620	65,167
Operating Segment [Member] | Europe & Africa [Member]
Segment Contribution [Abstract]
Operating income	18,592	15,959	34,846
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	40,582	32,584	34,065
Operating Segment [Member] | Rhyz [Member]
Segment Contribution [Abstract]
Operating income	(8,243)	(2,610)	16,533
Operating Segment [Member] | Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	12,321	3,570	18,346
Operating Segment [Member] | Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(20,564)	(6,180)	(1,813)
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (319,775)	$ (311,079)	$ (354,433)