FAIR VALUE DISCLOSURES (Reconciliation of All Assets Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Level 3)) (Details) - State and Municipal Securities [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Balance of recurring Level 3 assets at January 1	$ 880	$ 670
Changes in fair value of securities included in other comprehensive income	(7)	(6)
Principal payments	(45)	(45)
Balance of recurring Level 3 assets at June 30	$ 828	$ 619