ACCUMULATED OTHER COMPREHENSIVE INCOME AMOUNT RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Accumulated Comprehensive income reclassified from AOCI [Line Items]
Net gains (losses) on sales of investment securities	$ 838	$ (188)	$ 1,354	$ (164)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	104	104	207	207
Defined Benefit Plan, Amortization of Gain (Loss)	(439)	(421)	(877)	(841)
Other Comprehensive Income, Reclassification, Amortization of Defined Benefit Plans items, Pre-tax	(335)	(317)	(670)	(634)
Total	$ 503	$ (505)	$ 684	$ (798)