COMMITMENTS AND CONTINGENCIES (Narrative) (Details)		3 Months Ended		9 Months Ended
		Sep. 30, 2015 USD ($) swap	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Other Commitments [Line Items]
Loss Contingency Accrual		$ 0		$ 0
Loss on Cash Flow Hedge Ineffectiveness		0		0
Net change in unrealized income (losses) on cash flow hedging derivatives, net of tax of $631, and $583, respectively		$ (1,763,000)	$ (93,000)	(1,241,000)	$ (1,988,000)
Number of interest rate swap agreements | swap		2
Commercial Loan
Other Commitments [Line Items]
Notional amount of derivative		$ 85,700,000		85,700,000		$ 29,100,000
Cash held as collateral		3,000,000		3,000,000
Derivative, fair value		3,188,000		3,188,000		1,100,000
Interest rate swaps
Other Commitments [Line Items]
Notional amount of derivative		43,000,000		43,000,000		43,000,000
Cash held as collateral		10,300,000		10,300,000
Net change in unrealized income (losses) on cash flow hedging derivatives, net of tax of $631, and $583, respectively				665,000
Derivative, fair value	[1]	(10,165,000)		(10,165,000)		(9,143,000)
Forward-Starting Interest Rate Swap
Other Commitments [Line Items]
Notional amount of derivative		50,000,000		50,000,000		$ 0
Cash held as collateral		824,000		824,000
Net change in unrealized income (losses) on cash flow hedging derivatives, net of tax of $631, and $583, respectively				(576,000)
Derivative, fair value	[2]	$ (887,000)		$ (887,000)

[1] Presented within accrued interest and other liabilities on the consolidated statements of condition.

[2] Presented within accrued interest and other liabilities on the consolidated statements of condition.