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Employee benefit plans (Tables)
6 Months Ended
Jun. 30, 2019
Employee benefit plans  
Schedule of components of net periodic benefit cost

 

 

 

 

 

 

 

 

 

 

 

 

Pension Benefits

Three Months Ended June 30, 

    

2019

    

2018

Components of net periodic pension cost:

    

 

 

    

 

 

Interest cost

 

$

192

 

$

156

Expected return on plan assets

 

 

(325)

 

 

(240)

Amortization of unrecognized net gain

 

 

68

 

 

49

Net periodic benefit cost

 

$

(65)

 

$

(35)

 

 

 

 

 

Pension Benefits

Six Months Ended June 30, 

    

2019

    

2018

Components of net periodic pension cost:

    

 

 

    

 

 

Interest cost

 

$

320

 

$

156

Expected return on plan assets

 

 

(542)

 

 

(240)

Amortization of unrecognized net gain

 

 

113

 

 

49

Net periodic benefit cost

 

$

(109)

 

$

(35)