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EMPLOYEE BENEFITS (Tables)
6 Months Ended
Jun. 30, 2016
EMPLOYEE BENEFITS  
Components of net periodic benefit cost and other amounts recognized in Other Comprehensive Income
  Three Months Ended June 30,  Six Months Ended June 30, 
  Pension Benefits  SERP Benefits  Pension Benefits  SERP Benefits 
(In thousands) 2016  2015  2016  2015  2016  2015  2016  2015 
Service cost $286  $283  $44  $42  $577  $562  $88  $83 
Interest cost  201   176   26   23   397   351   52   45 
Expected return on plan assets  (510)  (458)  -   -   (965)  (912)  -   - 
Amortization of net loss  104   94   7   8   203   187   14   16 
Amortization of unrecognized prior service cost  (19)  (19)  -   -   (38)  (38)  -   - 
Amortization of unrecognized transition obligation  -   -   7   7   -   -   14   14 
Net periodic benefit cost $62  $76  $84  $80  $174  $150  $168  $158