LEASE COMMITMENTS (Depreciation and Interest Expense for Capital Leases) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Depreciation and interest expense for capital leases [Abstract]
Depreciation expense	$ 68	$ 65	$ 136	$ 130
Interest expense	$ 24	$ 29	$ 50	$ 58