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COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) ClassAction | Dec. 31, 2014 USD ($)
Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Face value disclosure off-balance sheet risks face amount liability |  | $ 748,932 | $ 757,743
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability, lower range |  | 0 |
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability, upper range |  | $ 1,000 |
Number of class actions in which the Bank is involved | ClassAction |  | 2 |
Legal settlement, amount | $ 2,800 |  |
Commitments to Extend Credit [Member] |  |  |
Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Face value disclosure off-balance sheet risks face amount liability |  | $ 730,652 | 733,827
Standby Letters of Credit [Member] |  |  |
Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Face value disclosure off-balance sheet risks face amount liability |  | $ 18,280 | $ 23,916

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