v3.26.1
Consolidated Statements Of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Retained Earnings
Accumulated Other Comprehensive Income
Shares, Outstanding, Beginning Balance at Dec. 31, 2024   1,886    
Balance, beginning of period at Dec. 31, 2024 $ 251,773 $ 0 $ 251,418 $ 355
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 15,449   15,449  
Dividends paid (1,736)   (1,736)  
Exercise of stock appreciation rights (in shares)   2    
Exercise of stock appreciation rights 0   0  
Share-based compensation expense related to stock appreciation rights 224   224  
Changes in accumulated postretirement benefit obligation adjustment 50     50
Net unrealized gain (loss) on investments 417     417
Balance, end of period at Jun. 30, 2025 266,177 $ 0 265,355 822
Shares, Outstanding, Ending Balance at Jun. 30, 2025   1,888    
Shares, Outstanding, Beginning Balance at Mar. 31, 2025   1,886    
Balance, beginning of period at Mar. 31, 2025 254,412 $ 0 253,827 585
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 12,278   12,278  
Dividends paid (868)   (868)  
Exercise of stock appreciation rights (in shares)   2    
Exercise of stock appreciation rights 0   0  
Share-based compensation expense related to stock appreciation rights 118   118  
Changes in accumulated postretirement benefit obligation adjustment (6)     (6)
Net unrealized gain (loss) on investments 243     243
Balance, end of period at Jun. 30, 2025 266,177 $ 0 265,355 822
Shares, Outstanding, Ending Balance at Jun. 30, 2025   1,888    
Shares, Outstanding, Beginning Balance at Dec. 31, 2025   1,888    
Balance, beginning of period at Dec. 31, 2025 268,300 $ 0 267,209 1,091
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 20,700   20,700  
Dividends paid (1,737)   (1,737)  
Share-based compensation expense related to stock appreciation rights 237   237  
Changes in accumulated postretirement benefit obligation adjustment 17     17
Net unrealized gain (loss) on investments (946)     (946)
Balance, end of period at Jun. 30, 2026 286,571 $ 0 286,409 162
Shares, Outstanding, Ending Balance at Jun. 30, 2026   1,888    
Shares, Outstanding, Beginning Balance at Mar. 31, 2026   1,888    
Balance, beginning of period at Mar. 31, 2026 272,890 $ 0 272,527 363
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 14,633   14,633  
Dividends paid (870)   (870)  
Share-based compensation expense related to stock appreciation rights 119   119  
Changes in accumulated postretirement benefit obligation adjustment (5)     (5)
Net unrealized gain (loss) on investments (196)     (196)
Balance, end of period at Jun. 30, 2026 $ 286,571 $ 0 $ 286,409 $ 162
Shares, Outstanding, Ending Balance at Jun. 30, 2026   1,888