Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statements of Comprehensive Income [Abstract]
Net earnings	$ 2,264	$ 1,995	$ 4,459	$ 3,885
Other comprehensive (loss) income, net of tax:
Unrealized net holding (loss) gain on securities	(754)	573	(3,874)	711
Reclassification adjustment for net gain on securities recognized in net earnings	0	0	0	(1)
Other comprehensive (loss) income	(754)	573	(3,874)	710
Comprehensive income	$ 1,510	$ 2,568	$ 585	$ 4,595