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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2018
EMPLOYEE BENEFIT PLANS  
Schedule of net periodic benefit cost (credit) and related components for the plan
  Three months ended
June 30,
    Six months ended 
June 30,
 
(in thousands)   2018     2017     2018     2017  
Interest cost   $ 62     $ 66     $ 125     $ 132  
Expected return on plan assets     (125 )     (103 )     (250 )     (207 )
Amortization of net losses     21       23       41       46  
Net periodic benefit   $ (42 )   $ (14 )   $ (84 )   $ (29 )