v3.25.4
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 03, 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 001-42679    
Entity Registrant Name Omada Health, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 45-2355015    
Entity Address, Address Line One 611 Gateway Blvd    
Entity Address, Address Line Two Suite 120    
Entity Address, City or Town South San Francisco    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94080    
City Area Code 888    
Local Phone Number 987-8337    
Title of 12(b) Security Common stock, $0.001 par value per share    
Trading Symbol OMDA    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 1,050
Entity Common Stock, Shares Outstanding   58,925,439  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s definitive proxy statement to be delivered to stockholders in connection with the 2026 annual meeting of stockholders are incorporated by reference in response to Part III of this Report to the extent stated herein.
    
Entity Central Index Key 0001611115    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false