DERIVATIVES AND HEDGING (Derivative Offsetting) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Offsetting Derivative Assets [Abstract]
Derivative Assets, Gross Amounts Recognized	$ 7,186	$ 8,330
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	7,186	8,330
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	(1,148)	(362)
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	6,038	7,968
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Gross Amounts Recognized	7,186	8,330
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	7,186	8,330
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	(1,148)	(362)
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	(4,461)	(7,557)
Derivative Liabilities, Net Amount	1,577	411
Interest rate swaps [Member]
Offsetting Derivative Assets [Abstract]
Derivative Assets, Gross Amounts Recognized	7,186	8,330
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	7,186	8,330
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	(1,148)	(362)
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	6,038	7,968
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Gross Amounts Recognized	7,186	8,330
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	7,186	8,330
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	(1,148)	(362)
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	(4,461)	(7,557)
Derivative Liabilities, Net Amount	$ 1,577	$ 411