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Consolidated Statements Of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Retained Earnings
Accumulated Other Comprehensive Income
Balance, beginning of year, shares at Dec. 31, 2022   1,897    
Balance, beginning of year at Dec. 31, 2022 $ 241,011 $ 0 $ 240,811 $ 200
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net Income (Loss) 21,686   21,686  
Dividends (11,048)   (11,048)  
Shares of common stock repurchased and retired (in shares)   (7)    
Shares of common stock repurchased and retired (959)   (959)  
Exercise of stock appreciation rights (in shares)   1    
Exercise of stock appreciation rights 0   0  
Share-based compensation expense related to stock appreciation rights 425   425  
Accumulated postretirement benefit obligation adjustment 19     19
Net unrealized gain (loss) on investments 419     419
Balance, end of year, shares at Dec. 31, 2023   1,891    
Balance, end of year at Dec. 31, 2023 251,553 $ 0 250,915 638
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net Income (Loss) 31,073   31,073  
Dividends (29,865)   (29,865)  
Shares of common stock repurchased and retired (in shares)   (7)    
Shares of common stock repurchased and retired (1,099)   (1,099)  
Exercise of stock appreciation rights (in shares)   2    
Exercise of stock appreciation rights 0   0  
Share-based compensation expense related to stock appreciation rights 394   394  
Accumulated postretirement benefit obligation adjustment 0      
Net unrealized gain (loss) on investments (283)     (283)
Balance, end of year, shares at Dec. 31, 2024   1,886    
Balance, end of year at Dec. 31, 2024 $ 251,773 $ 0 $ 251,418 $ 355