Quarterly report pursuant to Section 13 or 15(d)

Contingencies and Litigation - Additional Information (Details)

v3.21.2
Contingencies and Litigation - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Milestone
Studio
Sep. 30, 2020
USD ($)
Jul. 23, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Loss Contingencies [Line Items]                    
Contingent consideration from acquisitions     $ 0   $ 0     $ 8,100    
Interest Expense                    
Loss Contingencies [Line Items]                    
Additional contingent consideration     242 $ 188 744 $ 519        
CycleBar                    
Loss Contingencies [Line Items]                    
Business combination estimated fair value of contingent consideration     $ 4,390   $ 4,390          
Number of milestones | Milestone         2          
Contingent consideration liability $ 5,598                  
CycleBar | First Milestone                    
Loss Contingencies [Line Items]                    
Milestone payment         $ 5,000          
Increased interest rate 14.00%                  
CycleBar | Second Milestone                    
Loss Contingencies [Line Items]                    
Milestone payment         $ 10,000          
Reduced second milestone amount $ 2,500                  
CycleBar | First and Second Milestone                    
Loss Contingencies [Line Items]                    
Imposed interest 10.00%                  
CycleBar | Discount Rate                    
Loss Contingencies [Line Items]                    
Probability of achievement, projected payment date and the discount rate     8.50%   8.50%          
Row House                    
Loss Contingencies [Line Items]                    
Percentage of operational or change of control distributions         20.00%          
Increase (decrease) in contingent consideration     $ 80 54 $ 420 159        
Acquisition and transaction expenses (income)       (2,700)   (6,480)        
Contingent consideration totaled     720   720     300    
Row House | Interest Expense                    
Loss Contingencies [Line Items]                    
Increase (decrease) in contingent consideration       (2,646)   (6,321)        
Stretch Lab                    
Loss Contingencies [Line Items]                    
Contingent consideration liability   $ 1,000 688   $ 688       $ 688  
Percentage of operational or change of control distributions         20.00%          
Payments related to settlement agreement   $ 6,500                
Discount rate related to settlement agreement   8.345%                
A K T                    
Loss Contingencies [Line Items]                    
Percentage of operational or change of control distributions         20.00%          
Increase (decrease) in contingent consideration       $ (2,430)   $ (4,460)        
Contingent consideration totaled     $ 0   $ 0     0    
Yoga Six                    
Loss Contingencies [Line Items]                    
Probability of achievement, projected payment date and the discount rate     8.50%   8.50%          
Stride                    
Loss Contingencies [Line Items]                    
Business combination estimated fair value of contingent consideration                   $ 1,869
Number of milestones | Milestone         2          
Probability of achievement, projected payment date and the discount rate     8.50%   8.50%          
Number of franchise studios | Studio         2          
Rumble Holdings LLC                    
Loss Contingencies [Line Items]                    
Contingent consideration liability     $ 25,900   $ 25,900          
Acquisition and transaction expenses (income)     2,800              
Fair value of shares issued in acquisition             $ 23,100      
Receivable from Stockholder | Rumble Holdings LLC                    
Loss Contingencies [Line Items]                    
Receivable From Shareholder For Debt Financing Provided To Seller             $ 10,600      
Accrued Expenses                    
Loss Contingencies [Line Items]                    
Legal settlement amount     161   161     679    
Accrued Expenses | Stretch Lab                    
Loss Contingencies [Line Items]                    
Contingent consideration liability     0   0     1,979    
Accrued Expenses | Yoga Six                    
Loss Contingencies [Line Items]                    
Contingent consideration liability     148   148     1,000    
Accrued Expenses | Stride                    
Loss Contingencies [Line Items]                    
Contingent consideration liability     $ 0   $ 0     $ 250