Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Additional Information (Details)

v3.26.3
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 03, 2025
Jun. 30, 2025
Sep. 30, 2026
Dec. 31, 2025
Dec. 01, 2025
Accounting Policies [Line Items]          
Marketing fund restricted cash     $ 4,774 $ 11,406  
Restricted cash     $ 5,562 12,194  
Contract with customer, threshold period     30 days    
Franchisee agreement term     10 years    
Franchise marketing fees percentage     2.00%    
Aggregate amount $ 50,000   $ 506,178   $ 50,000
New franchise agreement term     10 years    
Franchise agreement term, option to extend     option for up to two additional five-year successor or renewal terms    
New franchise agreement term, option to extend     option for one additional ten-year successor term    
Deferred revenue     $ 81,356 88,891  
Notes receivable, term 5 years   5 years    
Loans For Establishment Of New Or Transferred Franchise Studios          
Accounting Policies [Line Items]          
Debt instrument, description of variable rate basis     variable rates based on LIBOR plus a specified margin    
Notes receivable, term     10 years    
Multi Unit Agreements          
Accounting Policies [Line Items]          
Nonrefundable development fee payments   $ 10      
Master Franchise Agreements          
Accounting Policies [Line Items]          
Franchisee agreement term     10 years    
Franchise Development Fees          
Accounting Policies [Line Items]          
Deferred revenue     $ 69,489 $ 78,161  
Maximum          
Accounting Policies [Line Items]          
Franchise royalty percentage     8.00%    
Maximum | Franchise Development Fees | Area Development Agreement          
Accounting Policies [Line Items]          
Deferred revenue   350      
Maximum | Franchise Development Fees | Multi Unit Agreements          
Accounting Policies [Line Items]          
Deferred revenue   65      
Minimum          
Accounting Policies [Line Items]          
Franchise royalty percentage     7.00%    
Minimum | Franchise Development Fees | Area Development Agreement          
Accounting Policies [Line Items]          
Deferred revenue   60      
Minimum | Franchise Development Fees | Multi Unit Agreements          
Accounting Policies [Line Items]          
Deferred revenue   $ 55