Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 17,920	$ 19,305	$ 55,279	$ 57,964
Capital expenditures	20,118	23,570	48,810	52,784
Operating Segments [Member] | Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	5,208	6,223	16,657	20,259
Capital expenditures	12,761	12,445	20,431	19,052
Operating Segments [Member] | Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,649	2,708	7,631	8,733
Capital expenditures	9,000	10,614	12,577	13,328
Operating Segments [Member] | Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	268	213	766	633
Capital expenditures	125	337	891	1,084
Operating Segments [Member] | South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	756	1,115	2,731	3,997
Capital expenditures	173	972	537	1,051
Operating Segments [Member] | Southeast Asia [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	317	434	1,248	1,373
Capital expenditures	1,254	140	1,893	459
Operating Segments [Member] | Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	296	938	1,602	2,943
Capital expenditures	1,484	267	3,132	1,385
Operating Segments [Member] | EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	231	268	731	980
Capital expenditures	718	16	1,378	92
Operating Segments [Member] | Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	691	547	1,948	1,600
Capital expenditures	7	99	23	1,653
Operating Segments [Member] | Manufacturing [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,077	1,711	5,954	4,916
Capital expenditures	2,113	1,100	13,221	4,281
Operating Segments [Member] | Grow Tech [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,302	1,244	3,775	3,064
Capital expenditures	343	2,577	760	7,628
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	9,333	10,127	28,893	29,725
Capital expenditures	$ 4,901	$ 7,448	$ 14,398	$ 21,823