Segment Information, Depreciation and Amortization and Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Summarized Financial Information [Abstract]
Depreciation and amortization	$ 19,305	$ 22,691	$ 57,964	$ 62,833
Capital expenditures	23,570	13,864	52,784	42,293
Mainland China [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	2,708	3,132	8,733	10,063
Capital expenditures	10,614	2,117	13,328	5,015
Americas/Pacific [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	213	229	633	722
Capital expenditures	337	223	1,084	652
South Korea [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,115	1,421	3,997	4,664
Capital expenditures	972	135	1,051	179
Southeast Asia [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	434	525	1,373	1,648
Capital expenditures	140	357	459	552
Japan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	938	873	2,943	2,688
Capital expenditures	267	125	1,385	508
Hong Kong/Taiwan [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	547	279	1,600	923
Capital expenditures	99	31	1,653	629
EMEA [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	268	238	980	589
Capital expenditures	16	348	92	425
Nu Skin [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	6,223	6,697	20,259	21,297
Capital expenditures	12,445	3,336	19,052	7,960
Corporate and Other [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	10,127	12,392	29,725	31,842
Capital expenditures	7,448	6,301	21,823	20,316
Manufacturing [Member] | Operating Segments [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,711	2,950	4,916	8,596
Capital expenditures	1,100	1,100	4,281	2,568
Grow Tech [Member] | Operating Segments [Member]
Summarized Financial Information [Abstract]
Depreciation and amortization	1,244	652	3,064	1,098
Capital expenditures	$ 2,577	$ 3,127	$ 7,628	$ 11,449