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Pension and Other Retirement Plans (Tables)
 6 Months Ended
Jun. 30, 2019
Pension and Other Retirement Plans [Abstract]  
Schedule of Net Periodic Pension Benefit



 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 



 

Three Months Ended June 30,

 

Six Months Ended June 30,



 

2019

 

2018

 

2019

 

2018

Interest cost

 

$

 1,975 

 

$

 1,797 

 

$

 3,949 

 

$

 3,593 

Expected return on plans' assets

 

 

 (2,866)

 

 

 (2,893)

 

 

 (5,733)

 

 

 (5,787)

Amortization of actuarial loss

 

 

 69 

 

 

 167 

 

 

 139 

 

 

 335 

Net periodic pension benefit

 

$

 (822)

 

$

 (929)

 

$

 (1,645)

 

$

 (1,859)