Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 04, 2022
Jun. 30, 2021
Document Information Line Items      
Entity Registrant Name MoneyLion Inc.    
Trading Symbol ML    
Document Type 10-K    
Current Fiscal Year End Date --12-31    
Entity Common Stock, Shares Outstanding   230,763,139  
Entity Public Float     $ 348,250,000
Amendment Flag false    
Entity Central Index Key 0001807846    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Shell Company false    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-39346    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 85-0849243    
Entity Address, Address Line One 30 West 21st Street    
Entity Address, Address Line Two 9th Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10010    
City Area Code (212)    
Local Phone Number 380-1735    
Title of 12(b) Security Class A common stock, par value $0.0001 per share    
Security Exchange Name NYSE    
Entity Interactive Data Current Yes    
Auditor Firm ID 49    
Auditor Name RSM US LLP    
Auditor Location Austin, Texas