Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Contribution [Abstract]
Operating income	$ 16,064	$ 52,145
Other income (expense), net	(1,476)	(1,453)
Income before provision for income taxes	14,588	50,692
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	86,955	121,314
Operating Segment [Member] | Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	90,288	119,068
Operating Segment [Member] | Americas [Member]
Segment Contribution [Abstract]
Operating income	16,250	21,951
Operating Segment [Member] | South Korea [Member]
Segment Contribution [Abstract]
Operating income	23,575	21,998
Operating Segment [Member] | Mainland China [Member]
Segment Contribution [Abstract]
Operating income	13,612	28,995
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	12,471	20,996
Operating Segment [Member] | Japan [Member]
Segment Contribution [Abstract]
Operating income	12,908	14,420
Operating Segment [Member] | EMEA [Member]
Segment Contribution [Abstract]
Operating income	3,638	2,622
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	7,834	8,086
Operating Segment [Member] | Rhyz Investments [Member]
Segment Contribution [Abstract]
Operating income	(3,333)	2,246
Operating Segment [Member] | Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	(1,373)	3,292
Operating Segment [Member] | Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(1,960)	(1,046)
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (70,891)	$ (69,169)