Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details)
1 Months Ended 4 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2020
USD ($)
Feb. 29, 2020
USD ($)
Apr. 30, 2020
USD ($)
Deposit
Dec. 15, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Commitments And Contingencies [Line Items]            
Operating leases, rent expense $ 40,000     $ 2,819,000   $ 2,281,000
Asset held for sale 732,000       $ 732,000  
Loss contingency, allegations         A franchisee filed a suit against BFI seeking unspecified damages in connection with plaintiff’s execution of franchise agreements for the development of 11 BurgerFi restaurants in certain specified trade areas in New York and Connecticut.  
Contingent liability 0       $ 0  
BF Dania Beach, LLC [Member]            
Commitments And Contingencies [Line Items]            
Aggregate purchase price   $ 1,299,000        
Number of cash deposits | Deposit     3      
Cash deposits received     $ 906,500      
Cash deposits returned to unrelated third-party purchaser     $ 906,500      
Asset held for sale $ 732,000       732,000  
Franchise Agreement Case [Member]            
Commitments And Contingencies [Line Items]            
Loss contingency, damages sought value         $ 5,000,000  
Loss contingency, lawsuit filing date         April 2016  
Employment Agreement Breach Case [Member]            
Commitments And Contingencies [Line Items]            
Loss contingency, lawsuit filing date         December 1, 2019  
Loss contingency motion to dismiss lawsuit filing date         February 13, 2020  
Employee Termination Case [Member]            
Commitments And Contingencies [Line Items]            
Loss contingency, lawsuit filing date         July 8, 2020  
Loss contingency, allegations         the former employee was terminated wrongfully by the Company