Annual report pursuant to Section 13 and 15(d)

Cover Page

Cover Page - USD ($)
12 Months Ended
Dec. 31, 2019
Feb. 27, 2020
Jun. 28, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 001-34483    
Entity Registrant Name NATURE’S SUNSHINE PRODUCTS, INC.    
Entity Incorporation, State or Country Code UT    
Entity Tax Identification Number 87-0327982    
Entity Address, Address Line One 2901 West Bluegrass Blvd    
Entity Address, Address Line Two Suite 100    
Entity Address, City or Town Lehi    
Entity Address, State or Province UT    
Entity Address, Postal Zip Code 84043    
City Area Code 801    
Local Phone Number 341-7900    
Title of 12(b) Security Common Stock, no par value    
Trading Symbol NATR    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 82,181,096
Entity Common Stock, Shares Outstanding   19,473,100  
Entity Central Index Key 0000275053    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY