Segment Information, Summarized Financial Information by Segment (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) Segment	Jun. 30, 2024 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment				9
Revenue		$ 386,138	$ 439,081	$ 750,628	$ 856,387
Cost of sales		120,405	131,904	237,934	255,146
Operating income (loss)		30,780	(125,557)	$ 20,877	(116,735)
Segment Reporting, Other Segment Item, Composition, Description				Other segment items primarily include selling expenses and general and administrative expenses.
Nu Skin [Member]
Segment Information [Abstract]
Number of reportable segments | Segment				7
Rhyz [Member]
Segment Information [Abstract]
Number of reportable segments | Segment				2
Rhyz Other [Member]
Segment Information [Abstract]
Number of operating segments | Segment				2
Number of reportable segments | Segment				1
Operating Segments [Member]
Segment Information [Abstract]
Revenue		385,711	439,085	$ 749,672	855,719
Cost of sales		118,560	127,726	233,198	248,958
Other segment expenses		183,815	234,771	358,332	461,003
Operating income (loss)		83,336	76,588	158,142	145,758
Operating Segments [Member] | Americas [Member]
Segment Information [Abstract]
Revenue		72,946	84,935	142,004	159,966
Cost of sales		18,401	22,074	36,167	41,420
Other segment expenses		37,729	45,482	73,274	86,191
Operating income (loss)		16,816	17,379	32,563	32,355
Operating Segments [Member] | Southeast Asia/Pacific [Member]
Segment Information [Abstract]
Revenue		50,834	60,341	103,006	120,406
Cost of sales		12,025	16,469	25,024	31,642
Other segment expenses		26,587	33,166	53,610	66,974
Operating income (loss)		12,222	10,706	24,372	21,790
Operating Segments [Member] | Mainland China [Member]
Segment Information [Abstract]
Revenue		53,224	64,710	100,999	125,777
Cost of sales		9,800	11,394	18,788	21,976
Other segment expenses		28,967	39,943	57,202	78,175
Operating income (loss)		14,457	13,373	25,009	25,626
Operating Segments [Member] | Japan [Member]
Segment Information [Abstract]
Revenue		44,550	42,587	87,315	86,823
Cost of sales		9,035	8,617	17,789	17,324
Other segment expenses		23,562	22,266	45,719	45,789
Operating income (loss)		11,953	11,704	23,807	23,710
Operating Segments [Member] | Europe & Africa [Member]
Segment Information [Abstract]
Revenue		37,328	40,714	70,349	82,987
Cost of sales		9,531	10,627	17,905	22,747
Other segment expenses		21,877	24,682	41,862	51,559
Operating income (loss)		5,920	5,405	10,582	8,681
Operating Segments [Member] | South Korea [Member]
Segment Information [Abstract]
Revenue		34,068	44,119	66,583	85,082
Cost of sales		7,058	8,864	13,499	17,061
Other segment expenses		16,934	21,932	32,256	42,515
Operating income (loss)		10,076	13,323	20,828	25,506
Operating Segments [Member] | Hong Kong/Taiwan [Member]
Segment Information [Abstract]
Revenue		27,527	33,846	55,974	64,312
Cost of sales		4,662	6,588	9,714	12,233
Other segment expenses		14,536	18,844	28,241	36,298
Operating income (loss)		8,329	8,414	18,019	15,781
Operating Segments [Member] | Manufacturing [Member]
Segment Information [Abstract]
Revenue	[1]	60,400	51,473	115,690	101,775
Cost of sales		46,963	40,687	91,938	79,528
Other segment expenses		9,737	9,029	18,273	18,523
Operating income (loss)		3,700	1,757	5,479	3,724
Operating Segments [Member] | Rhyz Other [Member]
Segment Information [Abstract]
Revenue		4,834	16,360	7,752	28,591
Cost of sales		1,085	2,406	2,374	5,027
Other segment expenses		3,886	19,427	7,895	34,979
Operating income (loss)		(137)	(5,473)	(2,517)	(11,415)
Intersegment [Member] | Manufacturing [Member]
Segment Information [Abstract]
Revenue		$ 8,600	$ 9,000	$ 17,500	$ 17,600

[1] The Manufacturing segment had $8.6 million and $9.0 million of intersegment revenue for the three months ended June 30, 2025 and 2024, respectively, and $17.5 million and $17.6 million for the six months ended June 30, 2025 and 2024, respectively. Intersegment revenue is eliminated in the consolidated financial statements, as well as the reported segment revenue in the table above.