Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,758	$ 167	$ (4,592)
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on available for sale securities, net of tax of $390 for the year ended December 31, 2015	127	(3,345)	762
Reclassification adjustment for realized gains on available for sale securities called or sold in current year, net of tax of $3 for the year ended December 31, 2015	(134)	(158)	(5)
Gain (loss) from unfunded post-retirement benefit obligation, net of tax of $372 for the year ended December 31, 2015	(1,160)	(42)	723
Total other comprehensive income (loss)	(1,167)	(3,545)	1,480
Total comprehensive income (loss)	$ 1,591	$ (3,378)	$ (3,112)