Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Contribution [Abstract]
Operating income	$ 52,145	$ 62,913
Other income (expense)	(1,453)	1,582
Income before provision for income taxes	50,692	64,495
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	130,352	154,408
Operating Segment [Member] | Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	128,106	148,582
Operating Segment [Member] | Mainland China [Member]
Segment Contribution [Abstract]
Operating income	28,995	39,439
Operating Segment [Member] | Americas [Member]
Segment Contribution [Abstract]
Operating income	25,123	28,745
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	23,406	19,648
Operating Segment [Member] | South Korea [Member]
Segment Contribution [Abstract]
Operating income	22,743	26,525
Operating Segment [Member] | Japan [Member]
Segment Contribution [Abstract]
Operating income	15,313	17,981
Operating Segment [Member] | EMEA [Member]
Segment Contribution [Abstract]
Operating income	3,836	8,896
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	8,690	7,348
Operating Segment [Member] | Rhyz Investments [Member]
Segment Contribution [Abstract]
Operating income	2,246	5,826
Operating Segment [Member] | Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	3,292	5,826
Operating Segment [Member] | Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(1,046)	0
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (78,207)	$ (91,495)