DERIVATIVES AND HEDGING (Derivative Offsetting) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Offsetting Derivative Assets [Abstract]
Derivative Assets, Gross Amounts Recognized	$ 18,959	$ 11,984
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	18,959	11,984
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	0	0
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	18,959	11,984
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Gross Amounts Recognized	18,959	11,984
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	18,959	11,984
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	0	0
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	(18,938)	(11,984)
Derivative Liabilities, Net Amount	21	0
Interest rate swaps [Member]
Offsetting Derivative Assets [Abstract]
Derivative Assets, Gross Amounts Recognized	18,959	11,984
Derivative Assets, Amounts offsett in the Statement of Financial Condition	0	0
Derivative Assets, Net Amounts in the Statement of Financial Condition	18,959	11,984
Derivative Assets, Netting Adjustment Per Applicable Master Netting Agreements	0	0
Derivative Assets, Fair Value of Financial Collateral in the Statement of Financial Condiation	0	0
Derivative Assets, Net Amount	18,959	11,984
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Gross Amounts Recognized	18,959	11,984
Derivative Liabilities, Amounts offset in the Statement of Financial Condition	0	0
Derivative Liabilities, Net Amounts of the Statement of Financial Condition	18,959	11,984
Derivative Liabilities, Net Adjustment Per Applicable Master Netting Agreements	0	0
Derivative Liabilities, Fair Value of Financial Collateral in the Statement of Financial Condition	(18,938)	(11,984)
Derivative Liabilities, Net Amount	$ 21	$ 0