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Net Periodic Pension Cost
9 Months Ended
Sep. 30, 2021
Net Periodic Pension Cost [Abstract]  
Net Periodic Pension Cost

16. Net Periodic Pension Cost

The following table details the net periodic pension cost incurred by period (in thousands):

Three Months Ended

Nine Months Ended

 

September 30, 

 

 

September 30, 

    

2021

    

2020

    

2021

    

2020

Interest cost

 

$

67

 

$

89

 

$

202

 

$

266

Amortization of net loss

43

34

130

104

Expected return on plan assets

(177)

(171)

(531)

(513)

Net periodic pension cost

 

$

(67)

 

$

(48)

 

$

(199)

 

$

(143)

Contributed amount

 

$

 

$

 

$

 

$

Refer to Note 15 to the consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2020 for more discussion of our retirement plans.