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Pension Information (Tables)
9 Months Ended
Sep. 30, 2020
Compensation And Retirement Disclosure [Abstract]  
Components of Net Periodic Pension Cost

Net periodic pension cost was as follows:

 

 

 

Three months ended

 

 

Nine Months Ended

 

 

 

September 30,

 

 

September 30,

 

 

 

2020

 

 

2019

 

 

2020

 

 

2019

 

Service cost

 

$

 

 

$

 

 

$

 

 

$

 

Interest cost

 

 

121

 

 

 

128

 

 

 

363

 

 

 

384

 

Expected return on plan assets

 

 

(187

)

 

 

(256

)

 

 

(561

)

 

 

(768

)

Other components

 

 

72

 

 

 

147

 

 

 

217

 

 

 

441

 

Net periodic pension cost

 

$

6

 

 

$

19

 

 

$

19

 

 

$

57