Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 19,581	$ 18,264	$ 37,925	$ 37,359
Capital expenditures	17,476	9,305	36,849	28,692
Operating Segments [Member] \| Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	6,281	5,867	12,619	11,449
Capital expenditures	4,249	3,125	14,196	7,670
Operating Segments [Member] \| Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	3,276	2,558	6,615	4,982
Capital expenditures	3,416	716	11,933	3,577
Operating Segments [Member] \| Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	273	253	529	498
Capital expenditures	102	72	380	766
Operating Segments [Member] \| South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	973	918	1,963	1,975
Capital expenditures	18	195	508	364
Operating Segments [Member] \| EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	283	242	569	500
Capital expenditures	258	633	430	660
Operating Segments [Member] \| Southeast Asia [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	345	444	674	931
Capital expenditures	343	6	742	639
Operating Segments [Member] \| Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	226	834	479	1,306
Capital expenditures	0	1,491	91	1,648
Operating Segments [Member] \| Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	905	618	1,790	1,257
Capital expenditures	112	12	112	16
Operating Segments [Member] \| Rhyz Investments [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	4,642	3,310	8,669	6,350
Capital expenditures	5,723	842	10,003	11,525
Operating Segments [Member] \| Manufacturing [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,887	2,062	5,575	3,877
Capital expenditures	5,662	603	9,000	11,108
Operating Segments [Member] \| Grow Tech [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,360	1,248	2,699	2,473
Capital expenditures	61	239	1,003	417
Operating Segments [Member] \| Rhyz Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	395	0	395	0
Capital expenditures	0	0	0	0
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	8,658	9,087	16,637	19,560
Capital expenditures	$ 7,504	$ 5,338	$ 12,650	$ 9,497