Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Store Activity (Details)

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Summary of Significant Accounting Policies - Summary of Store Activity (Details) - store
 12 Months Ended
Jan. 01, 2024
Jan. 02, 2023
Store Activity [Roll Forward]    
Stores, beginning of year 174  
Stores, end of year 168 174
BurgerFi    
Store Activity [Roll Forward]    
Stores, beginning of year 114 118
Number of stores opened 8 11
Number of stores transferred/sold 0 0
Number of stores closed during the year (14) (15)
Stores, end of year 108 114
Anthony's    
Store Activity [Roll Forward]    
Stores, beginning of year 60 61
Number of stores opened 1 0
Number of stores closed during the year (1) (1)
Stores, end of year 60 60
Corporate-owned    
Store Activity [Roll Forward]    
Stores, beginning of year 85  
Stores, end of year 87 85
Corporate-owned | BurgerFi    
Store Activity [Roll Forward]    
Stores, beginning of year 25 25
Number of stores opened 0 3
Number of stores transferred/sold 4 (3)
Number of stores closed during the year (1) 0
Stores, end of year 28 25
Corporate-owned | Anthony's    
Store Activity [Roll Forward]    
Stores, beginning of year 60 61
Number of stores opened 0 0
Number of stores closed during the year (1) (1)
Stores, end of year 59 60
Franchised    
Store Activity [Roll Forward]    
Stores, beginning of year 89  
Stores, end of year 81 89
Franchised | BurgerFi    
Store Activity [Roll Forward]    
Stores, beginning of year 89 93
Number of stores opened 8 8
Number of stores transferred/sold (4) 3
Number of stores closed during the year (13) (15)
Stores, end of year 80 89
Franchised | Anthony's    
Store Activity [Roll Forward]    
Stores, beginning of year 0 0
Number of stores opened 1 0
Number of stores closed during the year 0 0
Stores, end of year 1 0