XML 31 R19.htm IDEA: XBRL DOCUMENT v3.8.0.1
Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2017
Benefit Plans [Abstract]  
Components of Company's net periodic cost
The table below outlines the components of the Company’s net periodic benefit recognized during the three and nine months ended September 30, 2017 and 2016 for its pension and other postretirement benefit plans:

  
For the three months ended September 30,
 
  
Pension Benefits
  
Other Postretirement Benefits
 
(dollars in thousands)
 
2017
  
2016
  
2017
  
2016
 
             
Service cost
 
$
11
   
15
   
26
   
32
 
Interest cost
  
326
   
343
   
54
   
61
 
Expected return on plan assets
  
(686
)
  
(669
)
  
(190
)
  
(180
)
Amortization of net loss (gain)
  
17
   
46
   
(89
)
  
(54
)
Amortization of prior service cost
  
-
   
-
   
23
   
22
 
Net periodic benefit
 
$
(332
)
  
(265
)
  
(176
)
  
(119
)
 
  
For the nine months ended September 30,
 
  
Pension Benefits
  
Other Postretirement Benefits
 
(dollars in thousands)
  
2017
   
2016
   
2017
   
2016
 
                 
Service cost
 
$
33
   
46
   
77
   
96
 
Interest cost
  
977
   
1,029
   
164
   
184
 
Expected return on plan assets
  
(2,058
)
  
(1,994
)
  
(571
)
  
(540
)
Amortization of net loss (gain)
  
50
   
138
   
(258
)
  
(163
)
Amortization of prior service cost
  
-
   
-
   
68
   
67
 
Net periodic benefit
 
$
(998
)
  
(781
)
  
(520
)
  
(356
)