Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jun. 28, 2019
Cover [Abstract]      
Entity Registrant Name NU SKIN ENTERPRISES, INC.    
Entity Central Index Key 0001021561    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Shell Company false    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 2,700
Entity Common Stock, Shares Outstanding   55,547,214  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-12421    
Entity Tax Identification Number 87-0565309    
Entity Incorporation, State or Country Code DE    
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