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Employee Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2018
Employee Benefit Plans [Abstract]  
Components of Net Periodic Benefit Cost



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 



Three Months Ended

 

Six Months Ended



June 30,

 

June 30,

Pension Benefits

2018

 

2017

 

2018

 

2017

Interest cost

$

428 

 

$

446 

 

$

855 

 

$

892 

Expected return on plan assets

 

(711)

 

 

(642)

 

 

(1,422)

 

 

(1,284)

Amortization of unrecognized net loss

 

113 

 

 

119 

 

 

226 

 

 

238 

Plan curtailment and special termination benefits

 

 -

 

 

 -

 

 

 -

 

 

270 



$

(170)

 

$

(77)

 

$

(341)

 

$

116 



 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 



Three Months Ended

 

Six Months Ended



June 30,

 

June 30,

Postretirement Benefit Plan

2018

 

2017

 

2018

 

2017

Service cost

$

 

$

12 

 

$

           16

 

$

          24

Interest cost

 

45 

 

 

50 

 

 

90 

 

 

100 

Amortization of prior service cost

 

 

 

 

 

 

 

Amortization of unrecognized net (gain) loss

 

(70)

 

 

(79)

 

 

(140)

 

 

(159)

Plan curtailment and special termination benefits

 

 -

 

 

 -

 

 

 -

 

 

150 



$

(13)

 

$

(14)

 

$

           (26)

 

$

          122