XML 29 R18.htm IDEA: XBRL DOCUMENT v3.22.1
Pensions
3 Months Ended
Mar. 31, 2022
Pensions [Abstract]  
Pensions

10.  Pensions
 
Components of Net Periodic Pension Cost

 
 
Three Months
Ended March 31
 
 
 
2022
   
2021
 
             
Service cost
 
$
256
   
$
271
 
Interest cost
   
334
     
302
 
Expected return on plan assets
   
(1,055
)
   
(913
)
Amortization of actuarial loss
   
     
121
 
Amortization of prior service cost
   
(3
)
   
(3
)
Rate-regulated adjustment
   
1,043
     
797
 
Net periodic pension expense
 
$
575
   
$
575
 

Pension service cost is recorded in operating expenses.  All other components of net periodic pension cost are recorded as other pension costs in other income (expenses).

Employer Contributions
 
The Company previously disclosed in its financial statements for the year ended December 31, 2021 that it expected to contribute $2,300 to its pension plans in 2022.  For the three months ended March 31, 2022, contributions of $575 have been made.  The Company expects to contribute the remaining $1,725 during the final three quarters of 2022.