Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,566	$ 1,384	$ 5,136	$ 3,613
Other comprehensive income (loss):
Unrealized holding gains (loss) on available for sale securities	(886)	758	(7,172)	1,375
Tax effect of unrealized holdings gains (loss) on available for sale securities	301	(259)	2,438	(468)
Reclassification adjustment for gain recognized in income	(80)		(138)	(40)
Tax effect of reclassification adjustment for gain recognized in income	27		47	14
Pension liability adjustment	180	90	518	270
Tax effect of pension liability adjustment	(61)	(31)	(176)	(92)
Total other comprehensive income (loss)	(519)	558	(4,483)	1,059
Comprehensive income	$ 1,047	$ 1,942	$ 653	$ 4,672