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Equity Compensation, Employment Agreements and other Benefit Plans - Narrative (Details)
3 Months Ended 9 Months Ended
May 21, 2024
shares
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
shares
Sep. 30, 2024
USD ($)
installment
shares
Sep. 30, 2023
USD ($)
shares
May 22, 2024
shares
Dec. 31, 2023
shares
Jun. 14, 2023
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Common stock, shares authorized (in shares) | shares 500,000,000 166,666,667   166,666,667   167,000,000 166,666,667 6,666,667
Reverse stock split, conversion ratio 0.3333              
Stock-based compensation expense   $ 2,000,000 $ 2,000,000 $ 7,000,000 $ 6,000,000      
401(k) Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Maximum employee contribution to plan if under the age of 50       22,500        
Maximum catch-up contribution if over the age of 50       7,500        
Expense related to qualified plan   $ 109,000 $ 96,000 $ 392,000 $ 353,000      
Maximum | 401(k) Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Employer matching contribution, percent of match       100.00%        
Employer matching contribution, percent of employees' gross pay       6.00%        
Stock Award Deferral Program                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of installments | installment       5        
Deferred Stock Units | 2007 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Awards reserved for future issuance (in shares) | shares   105,000   105,000     343,000  
Dividend Equivalent Rights | 2007 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Awards reserved for future issuance (in shares) | shares   209,000   209,000     378,000  
Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Performance period   3 years 3 years 3 years 3 years      
Granted shares (in shares) | shares   240,000   240,000 273,000      
Grant date fair value   $ 4,000,000   $ 4,000,000 $ 5,000,000      
Restricted Stock Units (RSUs) | 2007 Equity Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period   3 years 3 years 3 years 3 years      
Performance Share Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Performance period       3 years 3 years      
Granted shares (in shares) | shares   0 0 179,000 202,000      
Grant date fair value       $ 3,000,000 $ 3,000,000      
Performance Share Units | Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       0.00% 0.00%      
Performance Share Units | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       200.00% 200.00%      
First Anniversary | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%        
First Anniversary | Performance Share Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%        
Second Anniversary | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%        
Second Anniversary | Performance Share Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%        
Third Anniversary | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%        
Third Anniversary | Performance Share Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting percentage       33.33%