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Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Feb. 01, 2022
Jan. 31, 2022
Jan. 27, 2021
Jan. 30, 2020
Jan. 28, 2019
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Restricted Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance-based restricted stock granted (in shares)               511,615    
Weighted average fair value per share (in dollars per share)           $ 9.86   $ 9.86   $ 5.91
Vested in period (in shares)               491,107    
Performance Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance-based restricted stock granted (in shares)               472,485    
Weighted average fair value per share (in dollars per share)           $ 10.20   $ 10.20   $ 8.42
Share-based compensation liability related to PSUs           $ 13.5   $ 13.5   $ 6.3
Vested in period (in shares)               608,125    
Performance Stock Units | Minimum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Relative total shareholder return, percentage               0.00%    
Performance Stock Units | Maximum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Relative total shareholder return, percentage               200.00%    
2014 Plan | Restricted Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of shares authorized to be issued under the plan (in shares)           12,000,000   12,000,000    
Unrecognized compensation expense related to unvested stock           $ 7.2   $ 7.2    
Weighted average remaining vesting period of unrecognized compensation expense               1 year 3 months 10 days    
Stock-based compensation expense           1.5 $ 1.2 $ 4.2 $ 3.9  
2014 Plan | Restricted Stock Units | Bold Contribution Agreement | Class A Common Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of shares of common stock that each holder has contingent right to receive (in shares)               1    
2014 Plan | Performance Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock-based compensation expense           1.8 $ 1.7 $ 10.9 $ 6.7  
Performance-based restricted stock granted (in shares)     1,099,800   669,550          
Vested in period (in shares)   608,125                
Settlement rate   197.00%                
Settlement rate in common stock   100.00%                
Unrecognized compensation expense related to PSU awards           $ 17.7   $ 17.7    
Remaining vesting period of unrecognized compensation expense (in years)               1 year 1 month 6 days    
2014 Plan | Performance Stock Units | Grant Date 2020                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance-based restricted stock granted (in shares)       1,043,800            
Risk-free interest rate               1.40%    
Expected volatility (as a percent)               62.00%    
Weighted average fair value per share (in dollars per share)           $ 5.36   $ 5.36    
2014 Plan | Performance Stock Units | Grant Date 2022                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Performance-based restricted stock granted (in shares) 472,485                  
Risk-free interest rate               1.40%    
Expected volatility (as a percent)               86.00%    
Weighted average fair value per share (in dollars per share)           $ 19.42   $ 19.42    
2014 Plan | Class A Common Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Issuance of shares of class A common stock (in shares)   608,125