Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.22.4
Summary of Significant Accounting Policies - Additional Information (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Jul. 31, 2021
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jul. 31, 2022
USD ($)
Jan. 01, 2022
USD ($)
Accounting Policies [Line Items]              
Number of reportable segment | Segment     1        
Number of operating segment | Segment     1        
Revenues     $ 12,823,000 $ 2,741,000 $ 1,213,000    
Restricted cash     5,381,000 1,427,000      
Cash, cash equivalents and restricted cash     37,370,000 21,320,000      
Allowance for accounts receivable     865,000 2,193,000      
Impairment charge   $ 3,376,000          
Impairment charge, remainder of 2022     0        
Impairment of brand assets   $ 280,000 3,656,000 0 0    
Impairment of definite-lived intangible asset     $ 280,000 $ 118,000 $ 0    
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]     Selling, General and Administrative Expense Costs and Expenses Costs and Expenses    
Franchisee agreement term     10 years        
Franchise agreement term, option to extend     option to renew for up to two additional five-year successor terms.        
Deferred revenue     $ 141,461,000 $ 118,438,000      
Franchise royalty percentage     7.00%        
Franchise marketing fees percentage     2.00%        
Contract with customer, threshold period     30 days        
Advertising costs     $ 7,685,000 6,890,000 $ 5,409,000    
Percentage of benefits expected to realize from tax benefits     15.00%        
Payment obligation basis spread on interest rate     100.00%        
Interest or penalties     $ 1,000 0 0    
ROU assets, net     30,079,000 0      
Total     34,369,000        
AKT reporting unit              
Accounting Policies [Line Items]              
Impairment charge       0 0    
Trademark              
Accounting Policies [Line Items]              
Impairment of brand assets     0 0 $ 0    
Letter of Credit              
Accounting Policies [Line Items]              
Line of credit facility, additional borrowings           $ 750,000  
Credit Concentration Risk              
Accounting Policies [Line Items]              
Cash, cash equivalents and restricted cash     $ 33,961,000 $ 12,852,000      
Master Franchise Agreements              
Accounting Policies [Line Items]              
Franchisee agreement term     10 years        
Initial Public Offering              
Accounting Policies [Line Items]              
Reclassification of deferred offering costs as additional paid-in capital $ 7,511,000            
Accounting Standards Update 2016-02              
Accounting Policies [Line Items]              
ROU assets, net             $ 21,826,000
Total             $ 17,597,000
Maximum | Franchise Development Fees              
Accounting Policies [Line Items]              
Deferred revenue     $ 350,000        
Minimum | Franchise Development Fees              
Accounting Policies [Line Items]              
Deferred revenue     $ 60,000