Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract]
Net income	$ 992	$ 1,161	$ 1,934	$ 2,103
Other comprehensive income (loss), net of tax
Net unrealized gain (loss) on available-for-sale securities	(120)	1,093	(1,871)	1,521
Reclassification for gain included in net income	(32)	(57)	(95)	(57)
Other comprehensive income (loss), net of tax	(152)	1,036	(1,966)	1,464
Comprehensive income (loss)	$ 840	$ 2,197	$ (32)	$ 3,567