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Benefit Plans
 9 Months Ended
Sep. 30, 2019
Benefit Plans [Abstract]  
Benefit Plans
(3) Benefit Plans

The table below outlines the components of the Company’s net periodic benefit recognized during the three and nine months ended September 30, 2019 and 2018 for its pension and other postretirement benefit plans:

 
Three months ended September 30,
  

 
Pension Benefits
    
Other Postretirement Benefits
  
(dollars in thousands)
  
2019
    
2018
    
2019
    
2018
  
                         
Service cost
  
$
10
      
8
      
17
      
-
  
Interest cost
    
311
      
299
      
60
      
47
  
Expected return on plan assets
    
(702
)
    
(753
)
    
(248
)
    
(323
)
Amortization of net (gain) loss
    
14
      
-
      
(49
)
    
(189
)
Amortization of prior service cost
    
-
      
-
      
(83
)
    
(73
)
Net periodic benefit
  
$
(367
)
    
(446
)
    
(303
)
    
(538
)

 
Nine months ended September 30,
  

 
Pension Benefits
    
Other Postretirement Benefits
  
(dollars in thousands)
  
2019
    
2018
    
2019
    
2018
  
                         
Service cost
  
$
31
      
25
      
49
      
52
  
Interest cost
    
933
      
898
      
180
      
156
  
Expected return on plan assets
    
(2,108
)
    
(2,259
)
    
(743
)
    
(704
)
Amortization of net loss (gain)
    
44
      
-
      
(147
)
    
(367
)
Amortization of prior service cost
    
-
      
-
      
(250
)
    
(28
)
Net periodic benefit
  
$
(1,100
)
    
(1,336
)
    
(911
)
    
(891
)

The Company does not expect to make contributions to its pension and postretirement benefit plans in 2019.  As of September 30, 2019, no contributions have been made, however, this decision is reviewed each quarter and is subject to change based upon market conditions.

Since 2003, the Company has not subsidized retiree medical insurance premiums.  However, it continues to provide postretirement medical benefits to a limited number of current and retired executives in accordance with the terms of their employment contracts.