ACCUMULATED OTHER COMPREHENSIVE INCOME AMOUNT RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Accumulated Comprehensive income reclassified from AOCI [Line Items]
Unrealized gain (loss) on investment securities	$ (167)	$ 276	$ (197)	$ 1,630
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	104	103	310	310
Defined Benefit Plan, Amortization of Gain (Loss)	(556)	(438)	(1,633)	(1,315)
Other Comprehensive Income, Reclassification, Amortization of Defined Benefit Plans items, Pre-tax	(452)	(335)	(1,323)	(1,005)
Total	$ (619)	$ (59)	$ (1,520)	$ 625