Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 955	$ 617	$ 3,326	$ 2,246
Securities available for sale:
Unrealized holding gains (losses) on available-for-sale securities	154	54	4,641	(2,709)
Tax effect	(52)	(18)	(1,578)	921
Reclassification adjustment for net gains realized in net income	(4)	(386)	(197)	(538)
Tax effect	1	131	67	183
Total securities available for sale	99	(219)	2,933	(2,143)
Change in post-retirement obligations	14	(3)	40	(26)
Total other comprehensive income (loss)	113	(222)	2,973	(2,169)
Total comprehensive income	$ 1,068	$ 395	$ 6,299	$ 77