Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Contribution [Abstract]
Operating income	$ 18,231	$ (26,365)	$ (98,504)	$ 32,205
Interest expense	6,500	7,535	20,545	18,192
Other income (expense), net	1,567	(551)	1,800	3,237
Income (loss) before provision for income taxes	13,298	(34,451)	(117,249)	17,250
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	72,966	94,670	218,724	287,049
Operating Segment [Member] \| Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	75,347	95,798	228,796	290,684
Operating Segment [Member] \| Americas [Member]
Segment Contribution [Abstract]
Operating income	15,881	16,627	48,236	61,730
Operating Segment [Member] \| Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	9,997	13,190	31,787	37,057
Operating Segment [Member] \| Mainland China [Member]
Segment Contribution [Abstract]
Operating income	7,277	15,223	32,903	48,192
Operating Segment [Member] \| Japan [Member]
Segment Contribution [Abstract]
Operating income	13,491	14,617	37,201	40,033
Operating Segment [Member] \| South Korea [Member]
Segment Contribution [Abstract]
Operating income	14,283	19,433	39,789	60,399
Operating Segment [Member] \| Europe & Africa [Member]
Segment Contribution [Abstract]
Operating income	5,193	6,562	13,874	15,145
Operating Segment [Member] \| Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	9,225	10,146	25,006	28,128
Operating Segment [Member] \| Rhyz Investments [Member]
Segment Contribution [Abstract]
Operating income	(2,381)	(1,128)	(10,072)	(3,635)
Operating Segment [Member] \| Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	542	4,838	4,266	7,683
Operating Segment [Member] \| Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(2,923)	(5,966)	(14,338)	(11,318)
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (54,735)	$ (121,035)	$ (317,228)	$ (254,844)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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