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

The following table summarizes the components of net periodic benefit cost (credit) related to the Company’s pension plans for the three month and six month periods ended June 30, 2018 and 2017:

 

 

 

Three Months Ended June 30,

 

 

 

2018

 

 

2017

 

Components of Net Periodic Benefit Cost (Credit):

 

 

 

 

 

 

 

 

Service cost

 

$

223

 

 

$

335

 

Interest cost

 

 

3,977

 

 

 

4,086

 

Expected return on plan assets

 

 

(7,583

)

 

 

(6,455

)

Amortization of:

 

 

 

 

 

 

 

 

Prior service cost

 

 

-

 

 

 

-

 

Net actuarial loss (gain)

 

 

1,245

 

 

 

1,552

 

Net periodic benefit cost (credit)

 

$

(2,138

)

 

$

(482

)

 

 

 

Six Months Ended June 30,

 

 

 

2018

 

 

2017

 

Components of Net Periodic Benefit Cost (Credit):

 

 

 

 

 

 

 

 

Service cost

 

$

453

 

 

$

675

 

Interest cost

 

 

8,039

 

 

 

8,067

 

Expected return on plan assets

 

 

(15,366

)

 

 

(12,560

)

Amortization of:

 

 

 

 

 

 

 

 

Prior service cost

 

 

-

 

 

 

30

 

Net actuarial loss (gain)

 

 

2,523

 

 

 

2,884

 

Net periodic benefit cost (credit)

 

$

(4,351

)

 

$

(904

)