Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies - Narrative (Details)

v3.22.2.2
Organization and Summary of Significant Accounting Policies - Narrative (Details)
 3 Months Ended 9 Months Ended
Oct. 03, 2022
USD ($)
brand
store
Oct. 03, 2022
USD ($)
brand
store
shares
Dec. 31, 2021
store
Nov. 03, 2021
USD ($)
Dec. 31, 2020
store
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Number of restaurants | store 178 178 179    
Number of brands | brand 2 2      
Other income from employee retention credits, net of performance fee | $ $ 2,600,000 $ 2,600,000      
Number of international stores | store 1 1 1    
Credit Agreement          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Debt instrument, face amount | $ $ 68,800,000 $ 68,800,000   $ 71,800,000  
Hot Air, Inc.          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Percentage of shares acquired       100.00%  
Public Warrants          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share (in shares) | shares   15,063,800      
Warrant          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share (in shares) | shares   75,000      
Common Stock | Unit Purchase Option          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share (in shares) | shares   75,000      
Restricted Shares          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Antidilutive securities excluded from computation of earnings per share (in shares) | shares   1,703,659      
BurgerFi          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Number of restaurants | store 117 117 118   119
Anthony's          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Number of restaurants | store 61 61 61   61