INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-maturity Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Due in one year or less, amortized cost	$ 3,322	$ 3,323
Due after one year through five years, amortized cost	13,634	13,641
Due after five years through ten years, amortized cost	13,230	13,295
Due after ten years through twenty years, amortized cost	55,097	53,031
Due after twenty years, amortized cost	3,125	3,162
Amortized cost	88,408	86,452
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Due in one year or less, fair value	3,383	3,410
Due after one year through five years, fair value	14,261	14,335
Due after five years through ten years, fair value	13,475	13,452
Due after ten years through twenty years, fair value	59,403	57,868
Due after twenty years, fair value	3,263	3,393
Fair Value	$ 93,785	$ 92,458