Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 916	$ 1,039	$ 2,065	$ 2,371
Securities available for sale:
Unrealized holding (losses) gains on available-for-sale securities	(1,767)	1,923	(1,088)	4,487
Tax effect	600	(654)	369	(1,526)
Reclassification adjustment for net gains realized in net income				(193)
Tax effect				66
Total securities available for sale	(1,167)	1,269	(719)	2,834
Change in post-retirement obligations	(23)	13	(45)	26
Total other comprehensive (loss) income	(1,190)	1,282	(764)	2,860
Total comprehensive (loss) income	$ (274)	$ 2,321	$ 1,301	$ 5,231