Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 19,933	$ 17,920	$ 57,858	$ 55,279
Capital expenditures	13,535	20,118	50,384	48,810
Operating Segments [Member] \| Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	6,112	5,208	18,731	16,657
Capital expenditures	3,928	12,761	18,124	20,431
Operating Segments [Member] \| Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	3,253	2,649	9,868	7,631
Capital expenditures	3,237	9,000	15,170	12,577
Operating Segments [Member] \| Americas [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	190	251	656	714
Capital expenditures	95	123	294	885
Operating Segments [Member] \| South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	805	756	2,768	2,731
Capital expenditures	0	173	508	537
Operating Segments [Member] \| Southeast Asia/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	359	334	1,096	1,300
Capital expenditures	92	1,256	1,015	1,899
Operating Segments [Member] \| EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	281	231	850	731
Capital expenditures	391	718	821	1,378
Operating Segments [Member] \| Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	220	296	699	1,602
Capital expenditures	3	1,484	94	3,132
Operating Segments [Member] \| Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,004	691	2,794	1,948
Capital expenditures	110	7	222	23
Operating Segments [Member] \| Rhyz Investments [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	4,964	3,379	13,633	9,729
Capital expenditures	2,816	2,456	12,819	13,981
Operating Segments [Member] \| Manufacturing [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	3,069	2,077	8,644	5,954
Capital expenditures	2,604	2,113	11,604	13,221
Operating Segments [Member] \| Grow Tech [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,303	1,302	4,002	3,775
Capital expenditures	212	343	1,215	760
Operating Segments [Member] \| Rhyz Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	592	0	987	0
Capital expenditures	0	0	0	0
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	8,857	9,333	25,494	28,893
Capital expenditures	$ 6,791	$ 4,901	$ 19,441	$ 14,398