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	$ 3,198	$ 6,404	$ 5,268
Other comprehensive income:
Decrease in net unrealized gains on investment securities	(1,211)	(2,274)	(1,863)
Deferred tax benefit	491	905	745
Decrease in net unrealized gains on investment securities, net of tax	(720)	(1,369)	(1,118)
Reclassification adjustment for realized gains included in net income	(161)	(314)	(251)
Tax effect	64	124	101
Realized gains, net of tax	(97)	(190)	(150)
Total other comprehensive (loss)	(817)	(1,559)	(1,268)
Comprehensive income	$ 2,381	$ 4,845	$ 4,000