ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Changes in Accumulated Other Comprehensive Income By Component) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized Gains and Losses on Available- for-Sales Securities, Opening Balance	$ (4,796)	$ 784
Unrealized Gains and Losses on Available- for-Sales Securities, Other comprehensive income ( loss ) before reclassification	18,515	(5,691)
Unrealized Gains and Losses on Available- for-Sales Securities, Amounts reclassified from accumulated other comprehensive income (loss)	(112)	39
Unrealized Gains and Losses on Available- for-Sales Securities, Net current period other comprehensive income (loss)	18,403	(5,652)
Unrealized Gains and Losses on Available- for-Sales Securities, Ending Balance	13,607	(4,796)	$ 784
Defined Benefit Pension Items, Opening Balance	(1,395)	(1,454)
Defined Benefit Pension Items, Other comprehensive income before reclassification	(306)	175
Defined Benefit Pension Items, Amounts reclassified from accumulated other comprehensive income (loss)	153	197
Net of tax amount	(153)	372	211
Defined Benefit Pension Items, Ending Balance	(1,548)	(1,395)	(1,454)
Total, Opening Balance	(6,191)	(670)
Total, Other comprehensive income (loss) before reclassification	18,209	(5,516)
Total, Amounts reclassified from accumulated other comprehensive income (loss)	41	236
Total other comprehensive income (loss), net of tax	18,250	(5,280)	1,717
Total, Ending Balance	$ 12,059	(6,191)	$ (670)
Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax		140
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax		(313)
Other Comprehensive Income Loss, Adjustment, Net of Tax		(173)
Accounting Standards Update 2016-01
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax		(68)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax		0
Other Comprehensive Income Loss, Adjustment, Net of Tax		$ (68)