XML 14 R1.htm IDEA: XBRL DOCUMENT v3.25.4
Cover Page - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Feb. 10, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-31573    
Entity Registrant Name Medifast, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 13-3714405    
Entity Address, Address Line One 100 International Drive    
Entity Address, City or Town Baltimore    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 21202    
City Area Code 410    
Local Phone Number 581-8042    
Title of 12(b) Security Common Stock, $0.001 par value per share    
Trading Symbol MED    
Security Exchange Name NYSE    
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 false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 145.0
Entity Common Stock, Shares Outstanding   10,991,273  
Documents Incorporated by Reference
Portions of the Registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission for its 2025 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
   
Entity Central Index Key 0000910329    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false