ACCUMULATED OTHER COMPREHENSIVE INCOME AMOUNT RECLASSIFIED FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Accumulated Comprehensive income reclassified from AOCI [Line Items]
Realized gain (loss) on securities available-for-sale	$ (37)	$ (30)	$ (215)	$ (30)
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	106	103	206	206
Defined Benefit Plan, Amortization of Gain (Loss)	(426)	(555)	(901)	(1,077)
Other Comprehensive Income, Reclassification, Amortization of Defined Benefit Plans items, Pre-tax	(320)	(452)	(695)	(871)
Total	$ (357)	$ (482)	$ (910)	$ (901)