DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 2) (Interest rate swaps, USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Offsetting of Financial Assets and Derivative Assets
Gross Amounts of Recognized Assets	$ 12,293	$ 7,799
Net Amounts of Assets Presented in the Statements of Condition	12,293	7,799
Net Amount	12,293	7,799
Institutional counterparties
Offsetting of Financial Assets and Derivative Assets
Gross Amounts of Recognized Assets	23
Net Amounts of Assets Presented in the Statements of Condition	23
Net Amount	23
Commercial counterparties
Offsetting of Financial Assets and Derivative Assets
Gross Amounts of Recognized Assets	12,270	7,799
Net Amounts of Assets Presented in the Statements of Condition	12,270	7,799
Net Amount	$ 12,270	$ 7,799