Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 76,650	$ 83,003	$ 71,564
Capital expenditures	66,067	70,371	60,156
Mainland China [Member]
Summarized Financial Information [Abstract]
Capital expenditures	14,814	11,658	4,539
Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Capital expenditures	1,340	974	800
South Korea [Member]
Summarized Financial Information [Abstract]
Capital expenditures	1,223	285	469
Southeast Asia [Member]
Summarized Financial Information [Abstract]
Capital expenditures	759	1,120	1,753
Japan [Member]
Summarized Financial Information [Abstract]
Capital expenditures	1,528	788	994
EMEA [Member]
Summarized Financial Information [Abstract]
Capital expenditures	364	734	1,168
Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Capital expenditures	3,203	4,113	1,350
Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	25,804	28,180	31,535
Capital expenditures	23,231	19,672	11,073
Nu Skin [Member] | Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	10,496	13,036	15,122
Nu Skin [Member] | Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	864	988	1,746
Nu Skin [Member] | South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	5,093	6,266	6,499
Nu Skin [Member] | Southeast Asia [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,915	2,123	2,234
Nu Skin [Member] | Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	3,866	3,604	3,554
Nu Skin [Member] | EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,260	847	985
Nu Skin [Member] | Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,310	1,316	1,395
Operating Segments [Member] | Manufacturing [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	6,689	11,281	0
Capital expenditures	6,595	5,486	0
Operating Segments [Member] | Grow Tech [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	4,008	1,885	0
Capital expenditures	6,938	14,591	0
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	40,149	41,657	40,029
Capital expenditures	$ 29,303	$ 30,622	$ 49,083