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Pensions (Tables)
6 Months Ended
Jun. 30, 2025
Pensions [Abstract]  
Components of Net Periodic Pension Cost
Components of Net Periodic Pension Cost

 
Three Months
Ended June 30
   
Six Months
Ended June 30
 
   
2025
   
2024
   
2025
   
2024
 
                         
Service cost
 
$
132
   
$
158
   
$
265
   
$
317
 
Interest cost
   
496
     
465
     
991
     
928
 
Expected return on plan assets
   
(767
)
   
(792
)
   
(1,534
)
   
(1,583
)
Amortization of prior service cost
   
(3
)
   
(3
)
   
(6
)
   
(6
)
Rate-regulated adjustment
   
142
   
(106)
     
284
     
455
 
Net periodic pension cost
 
$
 
$
(278)
   
$
   
$
111