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Shareholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
Apr. 23, 2025
Dec. 31, 2024
Class of Stock [Line Items]      
Common stock, par value (in dollars per share) $ 1.00   $ 1.00
Shares held in employee dividend reinvestment plan (in shares) 485,896    
Treasury Stock Repurchase Program      
Class of Stock [Line Items]      
Stock repurchase program, authorized amount   $ 15.0  
Stock repurchased during period (in shares) 79,169    
Share price (in dollars per share) $ 28.50    
Cumulative stock repurchased during period (in shares) 519,891    
Cumulative stock repurchased at average price per share (in dollars per share) $ 23.65    
Remaining authorized repurchase amount (in shares) $ 2.7