Post-effective amendment to a registration statement that is not immediately effective upon filing

Business Combinations (Details)

v3.21.2
Business Combinations (Details) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 16, 2020
Dec. 31, 2020
Dec. 31, 2020
Sep. 30, 2021
Business Acquisition [Line Items]        
Total consideration $ 236,887,000      
Issuance of common stock   17,541,838 17,541,838 17,893,476
Customer Relationships [Member]        
Business Acquisition [Line Items]        
Identifiable intangible assets acquired 24,839,000      
Useful Life     7 years  
Trade Names [Member]        
Business Acquisition [Line Items]        
Identifiable intangible assets acquired 83,033,000      
Useful Life     30 years  
Reef Kitchens License Agreement [Member]        
Business Acquisition [Line Items]        
Identifiable intangible assets acquired 8,882,000      
Useful Life     10 years  
BurgerFi Holdings, LLC [Member]        
Business Acquisition [Line Items]        
Total consideration 236,887,000      
Cash payment 30,000,000      
Shares issued to acquire business $ 103,680,000 $ 103,680,000    
Issuance of common stock 6,603,773      
Contingent consideration $ 103,207,000      
Additional common stock issued 9,356,459      
Share-based compensation arrangement by share-based payment award, fair value assumptions average amount     $ 103,207,000  
BurgerFi Holdings, LLC [Member] | Earnout Tranche One [Member]        
Business Acquisition [Line Items]        
Additional common stock issued 3,947,368      
Shares issued, price per share $ 19.00      
BurgerFi Holdings, LLC [Member] | Earnout Tranche Two [Member]        
Business Acquisition [Line Items]        
Additional common stock issued 3,409,091      
Shares issued, price per share $ 22.00      
BurgerFi Holdings, LLC [Member] | Earnout Tranche Three [Member]        
Business Acquisition [Line Items]        
Additional common stock issued 2,000,000      
Shares issued, price per share $ 25.00