DERIVATIVES (Summary of the Carrying Value of the Company's Hedged Assets in Fair Value Hedges) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	$ 50,000
Portfolio, last-of-layer, amortized cost	180,000	$ 207,000
Fair Value Hedging
Derivative [Line Items]
Fair value of aggregate notional amount of the hedged items, unrealized loss	5,900	2,000
Available-for-sale Securities
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	179,908	206,799
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset/(Liabilities)	7,992	4,072
Fair value of aggregate notional amount of the hedged items, unrealized loss	8,000	4,100
Available-for-sale Securities | Fair Value Hedging
Derivative [Line Items]
Fair value of aggregate notional amount of the hedged items, unrealized loss	8,000	4,100
Loans
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	75,856	83,078
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset/(Liabilities)	$ 5,830	$ 1,972