Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

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Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 12 Months Ended
Jun. 05, 2023
Studio
Sep. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
Segment
Studio
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jul. 31, 2022
USD ($)
Accounting Policies [Line Items]            
Number of reportable segment | Segment     1      
Number of operating segment | Segment     1      
Revenue from related parties     $ 13,398,000 $ 12,823,000 $ 2,741,000  
Line of credit facility, maximum borrowing capacity       20,000    
Restricted cash     9,333,000 5,381,000    
Cash, cash equivalents and restricted cash     37,094,000 37,370,000    
Impairment charge   $ 3,376,000 10,113,000 3,376,000    
Impairment of brand assets   $ 280,000        
Impairment of definite-lived intangible asset     $ 8,853,000 $ 280,000 $ 118,000  
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]     Costs and Expenses 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     $ 151,979,000 $ 141,461,000    
Franchise royalty percentage     7.00%      
Franchise marketing fees percentage     2.00%      
Contract with customer, threshold period     30 days      
Advertising costs     $ 9,246,000 7,685,000 $ 6,890,000  
Trademark and Franchise Agreements            
Accounting Policies [Line Items]            
Impairment of definite-lived intangible asset     410,000      
Franchise Agreements            
Accounting Policies [Line Items]            
Impairment of definite-lived intangible asset     7,238,000      
Reacquired Franchise Rights            
Accounting Policies [Line Items]            
Impairment of definite-lived intangible asset     $ 1,205,000      
Studios            
Accounting Policies [Line Items]            
Number of studios purchased | Studio 14   14      
AKT reporting unit            
Accounting Policies [Line Items]            
Impairment charge         0  
Trademark            
Accounting Policies [Line Items]            
Impairment of brand assets     $ 0 0 $ 0  
Letter of Credit            
Accounting Policies [Line Items]            
Line of credit facility, maximum borrowing capacity           $ 750,000
Credit Concentration Risk            
Accounting Policies [Line Items]            
Cash, cash equivalents and restricted cash     $ 34,359,000 $ 33,961,000    
Master Franchise Agreements            
Accounting Policies [Line Items]            
Franchisee agreement term     10 years      
Maximum | Franchise Development Fees            
Accounting Policies [Line Items]            
Deferred revenue     $ 350,000      
Minimum | Franchise Development Fees            
Accounting Policies [Line Items]            
Deferred revenue     $ 60,000