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Share-Based Payments - Schedule of Restricted Stock Awards and Stock Performance Awards (Details) - $ / shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Restricted Stock Awards      
Shares      
Beginning of year (in shares) 148,913    
Granted (in shares) 52,425    
Vested (in shares) (57,771)    
Forfeited (in shares) (150)    
End of year (in shares) 143,417 148,913  
Weighted-Average Grant-Date Fair Value      
Beginning of year (in dollars per share) $ 56.48    
Granted (in dollars per share) 85.25 $ 68.03 $ 59.95
Vested (in dollars per share) 52.78    
Forfeited (in dollars per share) 66.39    
End of year (in dollars per share) $ 68.47 $ 56.48  
Stock Performance Awards      
Shares      
Beginning of year (in shares) 194,200    
Granted (in shares) 43,400    
Vested (in shares) (92,800)    
Forfeited (in shares) 0    
End of year (in shares) 144,800 194,200  
Weighted-Average Grant-Date Fair Value      
Beginning of year (in dollars per share) $ 50.33    
Granted (in dollars per share) 94.45 $ 61.97 $ 54.91
Vested (in dollars per share) 42.06    
Forfeited (in dollars per share) 0    
End of year (in dollars per share) $ 68.85 $ 50.33