Segment Information, Segment Contribution (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Contribution [Abstract]
Operating income	$ 51,527	$ 85,376	$ 103,672	$ 148,289
Other income (expense)	(8,640)	(4,012)	(10,093)	(2,430)
Income before provision for income taxes	42,887	81,364	93,579	145,859
Operating Segment [Member]
Segment Contribution [Abstract]
Operating income	116,579	175,530	246,931	329,938
Operating Segment [Member] | Nu Skin [Member]
Segment Contribution [Abstract]
Operating income	116,690	169,285	244,796	317,867
Operating Segment [Member] | Americas [Member]
Segment Contribution [Abstract]
Operating income	30,026	28,998	55,149	57,743
Operating Segment [Member] | Mainland China [Member]
Segment Contribution [Abstract]
Operating income	12,945	51,480	41,940	90,919
Operating Segment [Member] | Southeast Asia/Pacific [Member]
Segment Contribution [Abstract]
Operating income	24,367	21,213	47,773	40,861
Operating Segment [Member] | South Korea [Member]
Segment Contribution [Abstract]
Operating income	20,578	28,892	43,321	55,417
Operating Segment [Member] | Japan [Member]
Segment Contribution [Abstract]
Operating income	13,451	16,461	28,764	34,442
Operating Segment [Member] | EMEA [Member]
Segment Contribution [Abstract]
Operating income	6,162	13,681	9,998	22,577
Operating Segment [Member] | Hong Kong/Taiwan [Member]
Segment Contribution [Abstract]
Operating income	9,161	8,560	17,851	15,908
Operating Segment [Member] | Rhyz Investments [Member]
Segment Contribution [Abstract]
Operating income	(111)	6,245	2,135	12,071
Operating Segment [Member] | Manufacturing [Member]
Segment Contribution [Abstract]
Operating income	1,188	6,764	4,480	12,590
Operating Segment [Member] | Rhyz Other [Member]
Segment Contribution [Abstract]
Operating income	(1,299)	(519)	(2,345)	(519)
Corporate and Other [Member]
Segment Contribution [Abstract]
Operating income	$ (65,052)	$ (90,154)	$ (143,259)	$ (181,649)