FAIR VALUE MEASUREMENTS (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2018		Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan, Plan Assets, Amount	$ 11,138	[1]	$ 12,120	$ 10,889

[1] The fair value balance includes a $286,000 distribution past due payable to be distributed in the first half of 2019.