DERIVATIVE FINANCIAL INSTRUMENTS (Other free standing derivatives balance sheet category and fair values) (Details) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Other assets | Interest rate lock commitments (mortgage)
Derivatives, Fair Value [Line Items]
Notional Amount, Other Assets	$ 25,318	$ 22,451
Fair Value, Other Assets	800	725
Other assets | Forward commitments
Derivatives, Fair Value [Line Items]
Notional Amount, Other Assets	1,000	0
Fair Value, Other Assets	0	0
Other assets | Undesignated interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount, Other Assets	2,216	2,231
Fair Value, Other Assets	17	54
Other liabilities | Forward commitments
Derivatives, Fair Value [Line Items]
Notional Amount, Other Liabilities	46,000	51,500
Fair Value, Other Liabilities	(282)	(399)
Other liabilities | Undesignated interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount, Other Liabilities	9,785	11,266
Fair Value, Other Liabilities	$ (507)	$ (453)