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Share-Based Compensation - Performance Restricted Stock Units - Narrative (Details) - PRSUs
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2024
USD ($)
metric
shares
Jun. 30, 2023
USD ($)
shares
Dec. 31, 2023
shares
Dec. 31, 2022
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of units increased (decreased) during the period (in shares) | shares       (215,000)    
Recognized share-based compensation expense (benefit) | $ $ 0.3 $ 0.2 $ 0.3 $ 0.6    
Unrecognized compensation cost | $ $ 2.5   $ 2.5      
Nonvested shares outstanding (in shares) | shares 355,000 199,000 355,000 199,000 60,000 280,000
Weighted-average period over which unrecognized compensation cost is expected to be recognized (years)     2 years 9 months 18 days      
Executive and Senior Officers            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance period (years)     1 year      
Award vesting period     4 years      
Requisite service period     5 years      
Executive and Senior Officers | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target award percentage 0.00%   0.00%      
Executive and Senior Officers | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Target award percentage 200.00%   200.00%      
Executive and Senior Officers | Anniversary 1            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting percentage (ratably on each of the first four anniversary date)     25.00%      
Executive and Senior Officers | Anniversary 2            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting percentage (ratably on each of the first four anniversary date)     25.00%      
Executive and Senior Officers | Anniversary 3            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting percentage (ratably on each of the first four anniversary date)     25.00%      
Executive and Senior Officers | Anniversary 4            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting percentage (ratably on each of the first four anniversary date)     25.00%      
Executive Officers            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of performance award metrics | metric     3