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



 

 

 

 

 

 

 

 

 

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 



 

Three Months Ended September 30,

 

Nine Months Ended September 30,



 

2019

 

2018

 

2019

 

2018

Interest cost

 

$

 1,973 

 

$

 1,796 

 

$

 5,922 

 

$

 5,389 

Expected return on plans' assets

 

 

 (2,866)

 

 

 (2,894)

 

 

 (8,599)

 

 

 (8,681)

Amortization of actuarial loss

 

 

 70 

 

 

 168 

 

 

 209 

 

 

 503 

Net periodic pension benefit

 

$

 (823)

 

$

 (930)

 

$

 (2,468)

 

$

 (2,789)