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Equity Incentive Plan (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
May 31, 2024
2024 Plan              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Issuance of Common stock             2,000,000
Future issuances 2,000,000   2,000,000        
Restricted Stock              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Recognized share based compensation $ 1.5 $ 1.2 $ 4.3 $ 3.4      
Unrecognized compensation, other than options 10.7   $ 10.7        
Unrecognized compensation recognition period     2 years        
Fair value inputs forfeiture rate     0.00%        
Intrinsic value of restricted shares     $ 2.3 2.7      
Shares Outstanding, granted     101,000        
Fair value of shares granted to directors     $ 57.51        
Restricted Stock | Prior To 2023              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period           5 years  
Restricted Stock | During 2023              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period         3 years    
Restricted Stock | During 2024              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     3 years        
Restricted Stock | Director              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     1 year        
Recognized share based compensation 0.3 0.3 $ 1.0 0.8      
Unrecognized compensation, other than options 0.3   $ 0.3        
Fair value inputs forfeiture rate     0.00%        
Shares Outstanding, granted     23,389   14,535    
Fair value of shares granted to directors     $ 57.51   $ 73.27    
Performance units              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     3 years   3 years    
Shares Outstanding, granted     77,000        
Fair value of shares granted to directors     $ 59.16        
Performance units and shares              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     3 years   3 years    
Fair value inputs forfeiture rate     0.00%        
Amortization period of compensation expense     5 years        
Shares Outstanding, granted     23,000        
Fair value of shares granted to directors     $ 63.42        
Performance units and shares | 3 Year Performance period to be completed              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     3 years        
Recognized share based compensation 0.8 $ 0.6 $ 2.3 1.6      
Unrecognized compensation, other than options $ 6.2   $ 6.2        
Unrecognized compensation recognition period     2 years        
Vesting percentage     50.00%        
Performance units and shares | 3 Year Performance period completed              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period 3 years 3 years 3 years        
Recognized share based compensation $ 0.1 $ 0.1 $ 0.4 $ 0.4      
Unrecognized compensation, other than options $ 0.3   $ 0.3        
Unrecognized compensation recognition period     1 year        
Vesting percentage     50.00%        
Performance units and shares | Maximum              
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]              
Vesting period     5 years