Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (9)	$ (453)	$ (480)	$ (323)
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period	1,096	(328)	2,065	(1,275)
Reclassification adjustment for gains realized in net income		(46)		(67)
Other comprehensive income (loss) before tax effect	1,096	(374)	2,065	(1,342)
Tax effect of other comprehensive income (loss) items	296	(101)	558	(361)
Other comprehensive income (loss), net of tax	800	(273)	1,507	(981)
Comprehensive income (loss)	$ 791	$ (726)	$ 1,027	$ (1,304)