QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Selected Quarterly Financial Information [Abstract]
Interest Income	$ 11,683	$ 12,580	$ 11,956	$ 14,216	$ 12,782	$ 13,254	$ 13,508	$ 12,991	$ 50,435	$ 52,535	$ 53,523
Net Interest Income	10,256	11,017	10,308	12,418	10,873	11,214	11,372	10,749	43,999	44,208	43,744
Net Income	$ 2,990	$ 2,411	$ 2,092	$ 2,830	$ 2,655	$ 1,813	$ 1,029	$ 1,671	$ 10,323	$ 7,168	$ 9,172
Earnings Per Share, Basic (in dollars per share)	$ 0.36	$ 0.38	$ 0.23	$ 0.32	$ 0.30	$ 0.19	$ 0.09	$ 0.17	$ 1.28	$ 0.75	$ 1.00
Earnings Per Share, Diluted (in dollars per share)	$ 0.34	$ 0.37	$ 0.22	$ 0.31	$ 0.30	$ 0.19	$ 0.09	$ 0.17	$ 1.24	$ 0.74	$ 0.98