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Stock-based Compensation - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Stock-based Compensation        
Shares authorized to be issued under the plan (in shares) 2,000,000   2,000,000  
Recorded compensation costs for the RSAs and RSUs $ 1.5 $ 1.4 $ 2.0 $ 2.7
RSAs        
Stock-based Compensation        
Period for recognition     1 year 9 months 18 days  
Unrecognized compensation cost 2.9   $ 2.9  
Performance-Based Restricted Stock Unit Awards (RSUs)        
Stock-based Compensation        
Period for recognition     1 year 8 months 12 days  
Unrecognized compensation cost $ 3.1   $ 3.1  
Performance period     3 years  
Performance-Based Restricted Stock Unit Awards (RSUs) | Minimum        
Stock-based Compensation        
Options vested on anniversary date     0.00%  
Performance-Based Restricted Stock Unit Awards (RSUs) | Maximum        
Stock-based Compensation        
Options vested on anniversary date     200.00%  
Officer | RSAs        
Stock-based Compensation        
Vesting period     36 months  
Period for recognition     36 months  
Director | RSAs        
Stock-based Compensation        
Vesting period     12 months  
Period for recognition     12 months