INTEREST-BEARING DEPOSITS AND SECURITIES (Held-to-maturity Securities Debt Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Maturing in one year or less, amortized cost	$ 516	$ 767
Maturing after one year through five years, amortized cost	15,666	14,962
Maturing after five years through ten years, amortized cost	24,473	24,233
Maturing after ten years through twenty years, amortized cost	76,633	76,029
Maturing after twenty years, amortized cost	16,361	15,267
Amortized cost	133,649	131,258
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Maturing in one year or less, fair value	519	771
Maturing after one year through five years, fair value	15,885	15,184
Maturing after five years through ten years, fair value	25,104	24,678
Maturing after ten years through twenty years, fair value	82,101	81,361
Maturing after twenty years, fair value	16,890	15,614
Fair Value	$ 140,499	$ 137,608