SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]
Interest income	$ 16,783,000	$ 16,164,000	$ 16,171,000	$ 15,935,000	$ 15,969,000		$ 14,705,000		$ 14,560,000	$ 14,444,000	$ 65,053,000	$ 59,678,000	$ 60,447,000
Interest expense	638,000	615,000	629,000	637,000	682,000		733,000		747,000	768,000	2,519,000	2,930,000	3,719,000
Net interest income	16,145,000	15,549,000	15,542,000	15,298,000	15,287,000		13,972,000		13,813,000	13,676,000	62,534,000	56,748,000	56,728,000
Provision for loan losses	250,000	250,000	250,000	250,000	1,250,000	[1]	0		0	0	1,000,000	1,250,000	8,500,000
Net interest income after provision for loan losses	15,895,000	15,299,000	15,292,000	15,048,000	14,037,000		13,972,000		13,813,000	13,676,000	61,534,000	55,498,000	48,228,000
Non-interest income	2,580,000	2,550,000	2,678,000	3,092,000	7,139,000	[2]	6,587,000	[2]	2,464,000	3,317,000	10,900,000	19,507,000	10,881,000
Operating expenses	13,722,000	13,236,000	13,152,000	13,309,000	16,982,000	[3]	15,090,000	[3]	12,692,000	13,801,000	53,419,000	58,565,000	61,571,000
Income tax expense	687,000	875,000	1,047,000	1,111,000	866,000		1,557,000		816,000	483,000	3,720,000	3,722,000	(714,000)
Net income	4,066,000	3,738,000	3,771,000	3,720,000	3,328,000		3,912,000		2,769,000	2,709,000	15,295,000	12,718,000	(1,748,000)
Basic per-share data [Abstract]
Net income per common share - basic	$ 0.35	$ 0.32	$ 0.33	$ 0.32	$ 0.29		$ 0.34		$ 0.24	$ 0.23	$ 1.32	$ 1.10	$ (0.17)
Net income per common share - diluted	$ 0.35	$ 0.32	$ 0.32	$ 0.32	$ 0.29		$ 0.34		$ 0.24	$ 0.23	$ 1.31	$ 1.10	$ (0.17)
Cash dividends per common share (in dollars per share)	$ 0.06	$ 0.06	$ 0	$ 0	$ 0		$ 0		$ 0	$ 0
Average shares outstanding (in shares)											11,626,354	11,570,731	10,248,751
Impact of charge-offs					1,500,000						492,000	4,100,000	33,946,000
Sale of non-performing and classified loans					8,000,000
Gain on Visa shares sold					3,900,000		3,800,000				0	7,766,000	0
Branch consolidation costs					1,600,000		460,000				(449,000)	2,074,000	0
Reserve and carrying costs related to Visa shares sold					$ 515,000		$ 474,000				$ 239,000	$ 989,000	$ 0

[1] 4th quarter 2013 amount reflects the impact of a charge-off of $1.5 million related to the sale of $8 million in non-performing and classified loans.

[2] 4th quarter 2013 and 3rd quarter 2013 amounts include gains on Visa shares sold of $3.9 million and $3.8 million, respectively.

[3] 4th quarter 2013 and 3rd quarter 2013 amounts include branch consolidation costs of $1.6 million and $460 thousand, respectively. Also included are reserve and carrying costs related to Visa shares sold totaling $515 thousand and $474 thousand for the 4th and 3rd quarter 2013, respectively.