Segment Information, Summarized Financial Information by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) Segment	Sep. 30, 2024 USD ($)
Segment Information [Abstract]
Number of reportable segments | Segment				9
Revenue		$ 364,211	$ 430,145	$ 1,114,839	$ 1,286,532
Cost of sales		107,488	128,682	345,422	383,828
Operating income (loss)		21,642	18,231	$ 42,519	(98,504)
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		363,967	427,627	$ 1,113,639	1,283,346
Cost of sales		106,672	127,797	339,870	377,327
Other segment expenses		184,941	226,864	543,272	687,295
Operating income (loss)		72,354	72,966	230,497	218,724
Operating Segments [Member] | Americas [Member]
Segment Information [Abstract]
Revenue		63,994	77,194	205,998	237,160
Cost of sales		16,682	20,335	52,849	61,755
Other segment expenses		33,908	40,978	107,182	127,169
Operating income (loss)		13,404	15,881	45,967	48,236
Operating Segments [Member] | Southeast Asia/Pacific [Member]
Segment Information [Abstract]
Revenue		56,285	59,515	159,291	179,921
Cost of sales		13,734	16,708	38,758	48,350
Other segment expenses		29,708	32,810	83,318	99,784
Operating income (loss)		12,843	9,997	37,215	31,787
Operating Segments [Member] | Mainland China [Member]
Segment Information [Abstract]
Revenue		42,519	53,020	143,518	178,797
Cost of sales		7,365	10,370	26,152	32,346
Other segment expenses		28,594	35,373	85,797	113,548
Operating income (loss)		6,560	7,277	31,569	32,903
Operating Segments [Member] | Japan [Member]
Segment Information [Abstract]
Revenue		44,545	47,222	131,860	134,046
Cost of sales		9,319	9,541	27,109	26,865
Other segment expenses		21,989	24,190	67,707	69,980
Operating income (loss)		13,237	13,491	37,044	37,201
Operating Segments [Member] | Europe & Africa [Member]
Segment Information [Abstract]
Revenue		38,002	38,577	108,351	121,563
Cost of sales		9,717	9,641	27,622	32,388
Other segment expenses		22,449	23,743	64,311	75,301
Operating income (loss)		5,836	5,193	16,418	13,874
Operating Segments [Member] | South Korea [Member]
Segment Information [Abstract]
Revenue		35,202	45,201	101,785	130,283
Cost of sales		6,952	9,768	20,451	26,829
Other segment expenses		19,131	21,150	51,387	63,665
Operating income (loss)		9,119	14,283	29,947	39,789
Operating Segments [Member] | Hong Kong/Taiwan [Member]
Segment Information [Abstract]
Revenue		31,799	33,749	87,773	98,061
Cost of sales		5,218	6,595	14,932	18,828
Other segment expenses		16,548	17,929	44,789	54,227
Operating income (loss)		10,033	9,225	28,052	25,006
Operating Segments [Member] | Manufacturing [Member]
Segment Information [Abstract]
Revenue	[1]	47,648	51,773	163,338	153,548
Cost of sales		36,795	42,547	128,733	122,647
Other segment expenses		8,254	8,684	26,527	26,635
Operating income (loss)		2,599	542	8,078	4,266
Operating Segments [Member] | Rhyz Other [Member]
Segment Information [Abstract]
Revenue		3,973	21,376	11,725	49,967
Cost of sales		890	2,292	3,264	7,319
Other segment expenses		4,360	22,007	12,254	56,986
Operating income (loss)		(1,277)	(2,923)	(3,793)	(14,338)
Intersegment [Member] | Manufacturing [Member]
Segment Information [Abstract]
Revenue		$ 9,900	$ 10,900	$ 27,500	$ 28,500

[1] The Manufacturing segment had $9.9 million and $10.9 million of intersegment revenue for the three months ended September 30, 2025 and 2024, respectively, and $27.5 million and $28.5 million for the nine months ended September 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.