CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 2,277	$ 2,302
Other comprehensive income:
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $259 and $230 for the three months ended March 31, 2012 and 2011, respectively)	(505)	(447)
Reclassification adjustment for net realized gain on sale of available-for-sale securities included in net income, net of taxes	(251)	(194)
Change in nonqualified pension plan unrecognized net gain (loss) and unrecognized prior service cost (net of taxes of $5 and $2 for the three months ended March 31, 2012 and 2011, respectively)	7	5
Nonqualified pension plan curtailment, net of taxes	0	155
Total comprehensive income	$ 1,528	$ 1,821