XML 136 R119.htm IDEA: XBRL DOCUMENT v3.25.0.1
Employee Benefit Plans Unrecognized loss (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning Balance $ (312,280)    
Unrecognized gains arising in current year 7,279 $ 4,777 $ 644
Ending Balance (287,819) (312,280)  
Unrecognized Pension and Postretirement Plan Income (Costs)      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning Balance (2,635) (7,469) (8,213)
Ending Balance 4,222 (2,635) (7,469)
Pension Plans | Unrecognized Net Loss  (Gain)      
Before tax      
Beginning balance 5,320 12,070  
Reclass adjustment for postretirement plan gain included in net income 0 (631)  
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax (9,417) (6,119)  
Ending balance (4,097) 5,320 12,070
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning Balance 4,117 9,384  
Recognized component of periodic pension cost 0 (492)  
Unrecognized gains arising in current year (7,284) (4,775)  
Ending Balance (3,167) 4,117 9,384
Other Postretirement Benefit Plans | Unrecognized Prior Service Cost      
Before tax      
Beginning balance (1,620) (2,084)  
Reclass adjustment for postretirement plan gain included in net income 464 464  
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax 0 0  
Ending balance (1,156) (1,620) (2,084)
Other Postretirement Benefit Plans | Unrecognized Net Loss  (Gain)      
Before tax      
Beginning balance (747) (818)  
Reclass adjustment for postretirement plan gain included in net income 77 94  
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax 6 (23)  
Ending balance (664) (747) (818)
Other Postretirement Benefit Plans | Unrecognized Pension and Postretirement Plan Income (Costs)      
Before tax      
Beginning balance (2,367) (2,902)  
Reclass adjustment for postretirement plan gain included in net income 541 558  
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax 6 (23)  
Ending balance (1,820) (2,367) (2,902)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning Balance (1,847) (2,264)  
Recognized component of periodic pension cost 422 435  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Prior to Curtailment, Net of Tax   (18)  
Unrecognized gains arising in current year 5    
Ending Balance $ (1,420) $ (1,847) $ (2,264)