XML 66 R55.htm IDEA: XBRL DOCUMENT v3.10.0.1
PENSION PLAN (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Defined Benefit Plan Disclosure [Line Items]        
Total cost of benefit $ 12 $ 11 $ 29 $ 27
Selling, General and Administrative [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Current service cost, net of employee contributions 14 11 31 25
Other Expense [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost on accrued benefit obligation 25 25 50 50
Expected return on plan assets (42) (41) (85) (81)
Amortization of transitional obligation 1 3 3 6
Amortization of past service costs   2 2 4
Amortization of net actuarial gain $ 14 $ 11 $ 28 $ 23