DERIVATIVES AND HEDGING (Schedule of customer loan swaps) (Details) - Interest rate swaps $ in Thousands	Jun. 30, 2020 USD ($) derivative	Dec. 31, 2019 USD ($) derivative
Derivative [Line Items]
Notional Amount	$ 43,000	$ 43,000
Fair Value	$ (12,584)	$ (8,187)
Federal home loan bank 30-day
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	83	75
Notional Amount	$ 400,934	$ 366,351
Fair Value	$ 47,338	$ 17,756
Commercial and Industrial Sector [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	83	85
Notional Amount	$ 400,934	$ 411,594
Fair Value	$ (47,338)	$ (17,242)
Loans [Member]
Derivative [Line Items]
Derivative, Number of Instruments Held | derivative	166	170
Notional Amount	$ 801,868	$ 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)