Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Contribution [Abstract]
Operating income	$ 8,822	$ 16,064
Interest expense	7,325	4,888
Other income (expense), net	(396)	3,412
Income before provision for income taxes	1,101	14,588
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	69,170	86,955
Operating Segment [Member] | Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	73,145	90,288
Operating Segment [Member] | Americas [Member]
Segment Contribution [Abstract]
Operating income	14,976	16,250
Operating Segment [Member] | Mainland China [Member]
Segment Contribution [Abstract]
Operating income	12,253	13,612
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	11,084	12,471
Operating Segment [Member] | Japan [Member]
Segment Contribution [Abstract]
Operating income	12,006	12,908
Operating Segment [Member] | Europe & Africa [Member]
Segment Contribution [Abstract]
Operating income	3,276	3,638
Operating Segment [Member] | South Korea [Member]
Segment Contribution [Abstract]
Operating income	12,183	23,575
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	7,367	7,834
Operating Segment [Member] | Rhyz Investments [Member]
Segment Contribution [Abstract]
Operating income	(3,975)	(3,333)
Operating Segment [Member] | Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	1,967	(1,373)
Operating Segment [Member] | Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(5,942)	(1,960)
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (60,348)	$ (70,891)