SUMMARY OF QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) 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, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
SUMMARY OF QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]
Interest income	$ 6,744	$ 6,696	$ 6,825	$ 6,872	$ 6,899	$ 6,745	$ 6,609	$ 6,653	$ 6,802	$ 6,967	$ 7,168	$ 7,330	$ 27,137	$ 26,906	$ 28,267
Interest expense	1,087	1,155	1,217	1,217	1,282	1,322	1,348	1,430	1,487	1,560	1,625	1,741	4,676	5,382	6,413
Net interest income	5,657	5,541	5,608	5,655	5,617	5,423	5,261	5,223	5,315	5,407	5,543	5,589	22,461	21,524	21,854
Credit for loan losses	250		(100)	(200)	(75)		(100)	(50)	(125)	(250)	(350)	(250)	(50)	(225)	(975)
Net interest income after credit for loan losses	5,407	5,541	5,708	5,855	5,692	5,423	5,361	5,273	5,440	5,657	5,893	5,839	22,511	21,749	22,829
Other income	2,925	2,275	2,168	2,180	2,726	1,939	2,229	2,503	1,621	1,758	1,733	2,165	9,548	9,397	7,277
Operating expenses:
Salaries and employee benefits	3,515	3,517	3,481	3,430	3,368	3,193	3,184	3,168	3,176	3,020	3,079	3,227	13,943	12,913	12,502
Occupancy and equipment expenses	794	763	727	776	693	710	665	644	614	641	641	636
Other operating expenses	1,758	1,487	1,581	1,592	1,675	1,444	1,627	1,564	1,614	1,410	1,542	1,569	2,211	2,139	2,143
Total operating expenses	6,067	5,767	5,789	5,798	5,736	5,347	5,476	5,376	5,404	5,071	5,262	5,432	23,421	21,935	21,169
Income before income taxes	2,265	2,049	2,087	2,237	2,682	2,015	2,114	2,400	1,657	2,344	2,364	2,572	8,638	9,211	8,937
Provision for Federal income taxes	463	337	347	399	543	274	292	392	135	384	393	383	1,546	1,501	1,295
Net income	$ 1,802	$ 1,712	$ 1,740	$ 1,838	$ 2,139	$ 1,741	$ 1,822	$ 2,008	$ 1,522	$ 1,960	$ 1,971	$ 2,189	$ 7,092	$ 7,710	$ 7,642
Earnings per share of common stock	$ 0.63	$ 0.60	$ 0.61	$ 0.64	$ 0.75	$ 0.61	$ 0.64	$ 0.70	$ 0.53	$ 0.69	$ 0.69	$ 0.77	$ 2.48	$ 2.70	$ 2.68
Cash dividends paid per share	$ 0.27	$ 0.27	$ 0.27	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 1.07	$ 1.04	$ 1.00