CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 11,474	$ 9,869	$ 8,780
Other comprehensive income (loss):
Net unrealized gain (loss) on available-for-sale securities (net of taxes of $169, $1,476, and $2,940 for 2015, 2014, and 2013, respectively)	(329)	2,865	(5,706)
Change in nonqualified pension plan unrecognized net gain (loss) and unrecognized prior service cost (net of taxes of $55, $133, and $38 for 2015, 2014, and 2013, respectively)	107	(260)	73
Reclassification adjustment for:
Net realized gain on sale of available-for-sale securities included in net income (net of taxes of $168, $51, and $418 for 2015, 2014 and 2013, respectively)	(327)	(98)	(810)
Other comprehensive income (loss)	(549)	2,507	(6,443)
TOTAL COMPREHENSIVE INCOME	10,925	12,376	2,337
COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX, AS OF YEAR-END:
Net unrealized gain (loss) on securities available-for-sale	469	1,125	(1,642)
Net unfunded liability for nonqualified pension plan	(233)	(340)	(80)
Balance at year-end	$ 236	$ 785	$ (1,722)