Accumulated Other Comprehensive Income (Schedule of Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized holding gains (losses) arising during period, before tax	$ 926	$ (622)	$ 4,915	$ (1,989)
Other comprehensive (loss) income, before tax	926	(622)	4,915	(1,989)
Net unrealized holding gains (losses) arising during period, tax effect	255	(171)	1,353	(547)
Other comprehensive (loss) income, tax effect	255	(171)	1,353	(547)
Net unrealized holding gains (losses) arising during period, net of tax	671	(451)	3,562	(1,442)
Other comprehensive (loss) income, net of tax	$ 671	$ (451)	$ 3,562	$ (1,442)