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Share-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
8 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Jun. 28, 2020
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Intrinsic value of restricted stock, vested $ 0.1    
Unrecognized compensation expense $ 25.0 $ 25.0  
Share-based compensation expense, weighted average period for recognition 2 years 5 months 8 days    
Restricted stock | Employee      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation, award vesting period 3 years    
Restricted stock | Non-employee Directors      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation, award vesting period 1 year    
Performance share units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense $ 6.0 $ 6.0  
Share-based compensation expense, weighted average period for recognition 2 years 8 months 1 day    
Performance share units | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price hurdle, percent of payout of target units 0.00%    
Total shareholder return and relative total shareholder return, percent of payout of target units 0.00%    
Performance share units | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share price hurdle, percent of payout of target units 100.00%    
Total shareholder return and relative total shareholder return, percent of payout of target units 200.00%    
Performance share units | Management      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation, award vesting period 3 years    
Stock option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation, award vesting period   3 years  
Stock option | Management | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period   7 years  
Stock option | Management | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period   10 years  
2021 Long Term Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock, reserved for future issuance (in shares)     6,800,000