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Employee benefit plans (Tables)
3 Months Ended
Mar. 31, 2020
Employee benefit plans  
Schedule of components of net periodic benefit cost

 

 

 

 

 

 

 

 

 

 

 

 

Pension Benefits

Three Months Ended March 31, 

    

2020

    

2019

Components of net periodic pension benefit:

    

 

 

    

 

 

Interest cost

 

$

54

 

$

128

Expected return on plan assets

 

 

(123)

 

 

(217)

Amortization of unrecognized net gain

 

 

22

 

 

45

Net periodic benefit

 

$

(47)

 

$

(44)