INVESTMENT SECURITIES, Amortized Cost, Estimated Values and Gross Unrealized Gains and Losses (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
INVESTMENT SECURITIES [Abstract]
Investment securities transferred from available for sale to held to maturity, fair value			$ 48,000,000
Investment securities transferred from available for sale to held to maturity, unrealized gain (loss)	0	31,286,000	3,200,000
Available for sale [Abstract]
Amortized Cost	285,419,000		294,310,000
Gross Unrealized Gains	7,295,000		7,070,000
Gross Unrealized Losses	(1,157,000)		(2,710,000)
Investment securities available for sale	291,557,000		298,670,000
Held to maturity [Abstract]
Amortized Cost	62,191,000		62,270,000
Gross Unrealized Gains	3,223,000		2,526,000
Gross Unrealized Losses	0		0
Fair Value	65,414,000		64,796,000
Total investment securities [Abstract]
Total investment securities, Amortized Cost	347,610,000		356,580,000
Total Gross Unrealized Gains	10,518,000		9,596,000
Total Gross Unrealized Losses	(1,157,000)		(2,710,000)
Total investment securities, Fair Value	356,971,000		363,466,000
Investment securities pledged	246,000,000		245,000,000
U.S. Government Agency Securities [Member]
Held to maturity [Abstract]
Amortized Cost	48,433,000		48,365,000
Gross Unrealized Gains	2,431,000		1,717,000
Gross Unrealized Losses	0		0
Fair Value	50,864,000		50,082,000
Obligations of States and Political Subdivisions [Member]
Held to maturity [Abstract]
Amortized Cost	13,758,000		13,905,000
Gross Unrealized Gains	792,000		809,000
Gross Unrealized Losses	0		0
Fair Value	14,550,000		14,714,000
U.S. Government Agency Securities [Member]
Available for sale [Abstract]
Amortized Cost	38,974,000		42,474,000
Gross Unrealized Gains	8,000		0
Gross Unrealized Losses	(273,000)		(897,000)
Investment securities available for sale	38,709,000		41,577,000
Obligations of States and Political Subdivisions [Member]
Available for sale [Abstract]
Amortized Cost	127,440,000		131,300,000
Gross Unrealized Gains	6,484,000		6,469,000
Gross Unrealized Losses	0		0
Investment securities available for sale	133,924,000		137,769,000
Collateralized Mortgage Obligations [Member]
Available for sale [Abstract]
Amortized Cost	21,470,000		22,105,000
Gross Unrealized Gains	273,000		423,000
Gross Unrealized Losses	(352,000)		(531,000)
Investment securities available for sale	21,391,000		21,997,000
Mortgage-Backed Securities [Member]
Available for sale [Abstract]
Amortized Cost	91,211,000		92,095,000
Gross Unrealized Gains	388,000		88,000
Gross Unrealized Losses	(515,000)		(1,264,000)
Investment securities available for sale	91,084,000		90,919,000
Corporate Bonds [Member]
Available for sale [Abstract]
Amortized Cost	6,324,000		6,336,000
Gross Unrealized Gains	142,000		90,000
Gross Unrealized Losses	(17,000)		(18,000)
Investment securities available for sale	$ 6,449,000		$ 6,408,000