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DERIVATIVES AND HEDGING (Schedule of customer loan swaps) (Details) - Interest rate swaps $ in Thousands	Sep. 30, 2020 USD ($) derivative	Dec. 31, 2019 USD ($) derivative
Derivative [Line Items]
Notional Amount	$ 53,000	$ 43,000
Fair Value	$ (11,747)	$ (8,187)
Federal home loan bank 30-day
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	80	75
Notional Amount	$ 378,428	$ 366,351
Fair Value	$ 44,123	$ 17,756
Commercial and Industrial Sector [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	80	85
Notional Amount	$ 378,428	$ 411,594
Fair Value	$ (44,123)	$ (17,242)
Loans [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	160	170
Notional Amount	$ 756,856	$ 823,188
Fair Value	$ 0	$ 0
Other Liabilities [Member] | Federal home loan bank 30-day
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	0	10
Notional Amount	$ 0	$ 45,243
Fair Value	$ 0	$ (514)

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