Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.21.1
Document And Entity Information - USD ($)
 10 Months Ended
Dec. 31, 2020
Mar. 25, 2021
Jun. 30, 2020
Document Information Line Items      
Entity Registrant Name Fusion Acquisition Corp.    
Document Type 10-K    
Current Fiscal Year End Date --12-31    
Entity Public Float     $ 355,600,000
Amendment Flag false    
Entity Central Index Key 0001807846    
Entity Current Reporting Status No    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Well-known Seasoned Issuer No    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Shell Company true    
Entity Ex Transition Period false    
Document Transition Report false    
Entity File Number 001-39346    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current No    
Class A common stock      
Document Information Line Items      
Entity Common Stock, Shares Outstanding   35,000,000  
Class B common stock      
Document Information Line Items      
Entity Common Stock, Shares Outstanding   8,750,000