DERIVATIVE FINANCIAL INSTRUMENTS (Derivative Instruments Gains and Losses Recognized (Not Designated as Hedging Instruments)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Net gains on sale of loans held for sale | Interest rate lock commitments (mortgage)
Trading Activity, Gains and Losses, Net [Line Items]
Year-to-Date Gain (Loss) Recognized	$ 2,803	$ 18
Net gains on sale of loans held for sale | Forward commitments
Trading Activity, Gains and Losses, Net [Line Items]
Year-to-Date Gain (Loss) Recognized	(15)	15
Net gains on sale of loans held for sale | Forward commitments
Trading Activity, Gains and Losses, Net [Line Items]
Year-to-Date Gain (Loss) Recognized	(585)	287
Other noninterest income | Undesignated interest rate swaps
Trading Activity, Gains and Losses, Net [Line Items]
Year-to-Date Gain (Loss) Recognized	$ (215)	$ (66)