Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Jan. 31, 2021	Jun. 30, 2020
Cover [Abstract]
Entity Registrant Name	NU SKIN ENTERPRISES, INC.
Entity Central Index Key	0001021561
Current Fiscal Year End Date	--12-31
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Document Transition Report	false
Entity File Number	001-12421
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-0565309
Entity Address, Address Line One	75 West Center Street
Entity Address, City or Town	Provo
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84601
City Area Code	801
Local Phone Number	345-1000
Title of 12(b) Security	Class A Common Stock, $.001 par value
Trading Symbol	NUS
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,940
Entity Common Stock, Shares Outstanding		50,844,332