CONSOLIDATED CONDENSED QUARTERLY DATA (UNAUDITED) (Details) (USD $)	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
CONSOLIDATED CONDENSED QUARTERLY DATA (UNAUDITED) [Abstract]
Interest income	$ 8,813,000	$ 8,808,000	$ 8,889,000	$ 8,781,000	$ 8,980,000	$ 9,307,000	$ 8,948,000	$ 8,999,000	$ 35,291,000	$ 36,234,000	$ 38,085,000
Interest expense	1,211,000	1,234,000	1,239,000	1,269,000	1,470,000	1,562,000	1,597,000	1,686,000	4,953,000	6,315,000	7,659,000
Net interest income	7,602,000	7,574,000	7,650,000	7,512,000	7,510,000	7,745,000	7,351,000	7,313,000	30,338,000	29,919,000	30,426,000
Provision for loan losses	105,000	150,000	150,000	180,000	90,000	90,000	75,000	150,000	585,000	405,000	420,000
Non-interest income	1,762,000	1,682,000	1,680,000	1,616,000	1,856,000	1,760,000	1,680,000	1,686,000	7,356,000	7,423,000	7,968,000
Investment securities gains, net	128,000	242,000	75,000	171,000	56,000	91,000	98,000	196,000	616,000	441,000	604,000
Non-interest expenses	5,007,000	5,067,000	5,000,000	5,091,000	5,126,000	4,965,000	4,867,000	4,852,000	20,165,000	19,810,000	19,428,000
Income before provision for income taxes	4,380,000	4,281,000	4,255,000	4,028,000	4,206,000	4,541,000	4,187,000	4,193,000	16,944,000	17,127,000	18,546,000
Provision for income taxes	904,000	913,000	890,000	852,000	910,000	1,029,000	907,000	906,000	3,559,000	3,752,000	4,331,000
NET INCOME	$ 3,476,000	$ 3,368,000	$ 3,365,000	$ 3,176,000	$ 3,296,000	$ 3,512,000	$ 3,280,000	$ 3,287,000	$ 13,385,000	$ 13,375,000	$ 14,215,000
Earnings Per Share Basic (in dollars per share)	$ 1.14	$ 1.11	$ 1.11	$ 1.05	$ 1.08	$ 1.15	$ 1.07	$ 1.08	$ 4.41	$ 4.38	$ 4.61
Earnings Per Share Diluted (in dollars per share)	$ 1.14	$ 1.11	$ 1.11	$ 1.04	$ 1.08	$ 1.15	$ 1.07	$ 1.08	$ 4.40	$ 4.38	$ 4.60