v3.25.4
Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 10, 2026
Jun. 30, 2025
Entity Information [Line Items]      
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 001-39550    
Entity Registrant Name OppFi Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 85-1648122    
Entity Address, Address Line One 130 E. Randolph Street    
Entity Address, Address Line Two Suite 3400    
Entity Address, City or Town Chicago    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60601    
City Area Code 312    
Local Phone Number 212-8079    
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 [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 366,512,860
Documents Incorporated by Reference
Part III of this Annual Report on Form 10-K includes references to portions of the registrant’s Definitive Proxy Statement for the 2026 Annual Meeting of Stockholders (“Definitive Proxy Statement”). The Definitive Proxy Statement will be filed with the Securities and Exchange Commission within 120 days after the end of the registrant’s fiscal year ended December 31, 2025.
    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001818502    
Class A Common Stock      
Entity Information [Line Items]      
Title of 12(b) Security Class A common stock, par value $0.0001 per share    
Entity Trading Symbol OPFI    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding   26,436,610  
Warrant      
Entity Information [Line Items]      
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Class A common stock, each at an exercise price of $11.50 per share    
Entity Trading Symbol OPFI WS    
Security Exchange Name NYSE    
Class B Common Stock      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   0  
Class V Voting Stock      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   58,688,241