FAIR VALUE ACCOUNTING (Details) - Recurring - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets:
Investments	$ 8,543	$ 1,032
Assets	8,543	1,032
Level 1
Assets:
Investments	6,749	1,032
Assets	6,749	$ 1,032
Level 2
Assets:
Investments	1,794
Assets	$ 1,794