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Cover - USD ($)
 12 Months Ended
Dec. 31, 2023
Apr. 04, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35020    
Entity Registrant Name INFUSYSTEM HOLDINGS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-3341405    
Entity Address, Address Line One 3851 West Hamlin Road    
Entity Address, City or Town Rochester Hills    
Entity Address, State or Province MI    
Entity Address, Postal Zip Code 48309    
City Area Code (248)    
Local Phone Number 291-1210    
Title of 12(b) Security Common Stock, par value $0.0001 per share    
Trading Symbol INFU    
Security Exchange Name NYSEAMER    
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    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction true    
Document Financial Statement Restatement Recovery Analysis false    
Entity Shell Company false    
Entity Public Float     $ 190,572,924
Entity Common Stock, Shares Outstanding   21,264,695  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission in connection with the solicitation of proxies for its 2024 Annual Meeting of Stockholders are incorporated by reference in Part III of this Form 10-K.
    
Entity Central Index Key 0001337013    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false