DERIVATIVES AND HEDGING DERIVATIVES AND HEDGING (Derivative Offsetting) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Offsetting Assets and Liabilities [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 5,038	$ 5,083
Derivative Asset, Fair Value, Gross Liability	(1,900)	0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	3,138	5,083
Derivative, Collateral, Obligation to Return Securities	0	(656)
Derivative, Collateral, Obligation to Return Cash	0	0
Derivative Asset, Fair Value, Amount Offset Against Collateral	3,138	4,427
Derivative Liability, Fair Value, Gross Liability	5,038	5,083
Derivative Liability, Fair Value, Gross Asset	(1,900)	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	3,138	5,083
Derivative, Collateral, Right to Reclaim Securities	0	(656)
Derivative, Collateral, Right to Reclaim Cash	(1,320)	(3,467)
Derivative Liability, Fair Value, Amount Offset Against Collateral	1,818	960
Interest Rate Swap [Member]
Offsetting Assets and Liabilities [Line Items]
Derivative Asset, Fair Value, Gross Asset	5,038	5,083
Derivative Asset, Fair Value, Gross Liability	(1,900)	0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	3,138	5,083
Derivative, Collateral, Obligation to Return Securities	0	(656)
Derivative, Collateral, Obligation to Return Cash	0	0
Derivative Asset, Fair Value, Amount Offset Against Collateral	3,138	4,427
Derivative Liability, Fair Value, Gross Liability	5,038	5,083
Derivative Liability, Fair Value, Gross Asset	(1,900)	0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	3,138	5,083
Derivative, Collateral, Right to Reclaim Securities	0	(656)
Derivative, Collateral, Right to Reclaim Cash	(1,320)	(3,467)
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 1,818	$ 960