GOODWILL AND OTHER INTANGIBLE ASSETS (Gross Carrying Amouns and Accumulated Amortization of Intangible Assets and Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 786	$ 786
Accumulated Amortization	(206)	(106)
Net Carrying Amount	$ 580	680
Finite-Lived Intangible Asset, Useful Life	15 years
Goodwill	$ 85,768	$ 85,768	$ 85,768	$ 84,171
Weighted average [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	13 years 1 month 20 days	13 years 9 months 18 days
Other Identifiable Intangible Assets
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 786	$ 786
Accumulated Amortization	(206)	(106)
Net Carrying Amount	$ 580	$ 680