COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Narrative) (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) swap	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Other Commitments [Line Items]
Loss Contingency Accrual	$ 0		$ 0
Loss on Cash Flow Hedge Ineffectiveness	$ 0
Number of interest rate swap agreements | swap	2
Derivative, Number of Instruments Held	2
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	$ 1,400,000
Unrealized Gain (Loss) on Derivatives	(12,000)	$ 292,000
Interest rate swaps
Other Commitments [Line Items]
Derivative Instrument Payment Of Interest Rate Swaps Designated As Cash Flow Hedges	346,000	316,000
Notional amount of derivative	43,000,000		43,000,000
Cash held as collateral	8,400,000
Forward-Starting Interest Rate Swap
Other Commitments [Line Items]
Derivative Instrument Payment Of Interest Rate Swaps Designated As Cash Flow Hedges	109,000	49,000
Notional amount of derivative	50,000,000		50,000,000
Cash held as collateral	0
Forward Contracts [Member]
Other Commitments [Line Items]
Notional amount of derivative	5,715,000		$ 15,125,000
Unrealized Gain (Loss) on Derivatives	$ (118,000)	$ 0
Federal home loan bank 30-day | Interest rate swaps
Other Commitments [Line Items]
Derivative, Number of Instruments Held	23,000		0
Notional amount of derivative	$ 121,608,000		$ 0
Commercial and Industrial Sector [Member] | Interest rate swaps
Other Commitments [Line Items]
Derivative, Number of Instruments Held	54,000		50,000
Notional amount of derivative	$ 278,899,000		$ 266,263,000
Contract One [Member] | Interest rate swaps
Other Commitments [Line Items]
Notional amount of derivative	$ 10,000,000
Contract One [Member] | Forward-Starting Interest Rate Swap
Other Commitments [Line Items]
Number of interest rate swap agreements | swap	1
Notional amount of derivative	$ 25,000,000