INTEREST-BEARING DEPOSITS AND SECURITIES (Available-for-sale Securities Debt Maturities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Maturing in one year or less, amortized cost	$ 15,643	$ 9,334
Maturing after one year thorugh five years, amortized cost	236,092	278,629
Maturing after five years through ten years, amortized cost	42,275	45,425
Maturing after ten years through twenty years, amortized cost	20,571	13,846
Maturing after twenty years, amortized cost	72,940	64,190
Amoritzed cost	387,521	411,424
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Maturing one year or less, fair value	15,703	9,364
Maturing after one year through five years, fair value	235,929	277,439
Maturing after five years through ten years, fair value	42,470	45,610
Maturing after ten years through twenty years, fair value	20,449	13,879
Maturing after twenty years, fair value	73,325	64,729
Fair Value	$ 387,876	$ 411,021