FAIR VALUE ACCOUNTING (Details) - Recurring - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets:
Investments	$ 9,225	$ 8,543
Assets	9,225	8,543
Level 1
Assets:
Investments	7,295	6,749
Assets	7,295	6,749
Level 2
Assets:
Investments	1,930	1,794
Assets	$ 1,930	$ 1,794