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Pension Plans (Tables)
6 Months Ended
Jun. 30, 2021
Compensation And Retirement Disclosure [Abstract]  
Components of Net Periodic Pension Cost Net periodic pension cost for this plan included the following components:

 

 

 

Three Months Ended June 30

 

 

Six Months Ended June 30

 

 

 

2021

 

 

2020

 

 

2021

 

 

2020

 

Service cost

 

$

0

 

 

$

90

 

 

$

0

 

 

$

181

 

Interest cost

 

 

282

 

 

 

326

 

 

 

564

 

 

 

653

 

Expected return on plan assets

 

 

(586

)

 

 

(556

)

 

 

(1,172

)

 

 

(1,113

)

Recognized net actuarial loss

 

 

149

 

 

 

130

 

 

 

298

 

 

 

259

 

Net periodic pension cost (benefit)

 

$

(155

)

 

$

(10

)

 

$

(310

)

 

$

(20

)