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Pension Benefits (Tables)
6 Months Ended
Jun. 30, 2021
Pension Benefits  
Schedule of net periodic pension cost

Three months ended

Six months ended

    

June 30, 

June 30, 

    

2021

    

2020

    

2021

    

2020

COMPONENTS OF NET PERIODIC BENEFIT COST:

  

 

  

  

 

  

Service cost

$

427

$

441

$

854

$

882

Interest cost

 

225

 

319

 

450

 

638

Expected return on plan assets

 

(992)

 

(817)

 

(1,985)

 

(1,634)

Recognized net actuarial loss

 

621

 

648

 

1,243

 

1,296

Settlement charge

 

851

 

 

851

 

Net periodic pension cost

$

1,132

$

591

$

1,413

$

1,182