Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Consolidated Statements of Comprehensive Income (Loss) (unaudited) [Abstract]
Net income	$ 1,626	$ 992	$ 3,653	$ 1,934
Other comprehensive income (loss), net of tax
Net unrealized gain (loss) on available-for-sale securities	1,295	(120)	2,856	(1,871)
Reclassification for gain included in net income	0	(32)	(21)	(95)
Other comprehensive income (loss), net of tax	1,295	(152)	2,835	(1,966)
Comprehensive income (loss)	$ 2,921	$ 840	$ 6,488	$ (32)