DERIVATIVES (Summary of the Carrying Value of the Company's Hedged Assets in Fair Value Hedges) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	$ 50,000	$ 50,000
Portfolio, last-of-layer, amortized cost	151,000	166,000
Available-for-sale Securities
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	150,545	166,413
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset/(Liabilities)	5,115	7,297
Fair value of aggregate notional amount of the hedged items, unrealized loss	5,100	7,300
Loans
Derivative [Line Items]
Carrying Amount of Hedged Asset/(Liabilities)	121,323	74,726
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset/(Liabilities)	$ 598	$ 5,088