Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Beginning of period		$ (1,847)	$ (1,191)	$ (928)
Other comprehensive gains (losses), net of tax before reclassifications		2,600	(637)	(62)
Amounts reclassified for reclassification of HTM to AFS securities		587	0	0
Amounts reclassified from accumulated other comprehensive gain (loss)		164	0	(5)
Net other comprehensive income (loss)		3,351	(637)	(67)
Reclassification due to Accounting Standard Updates (ASU 2016-01 & 2018-02)	$ 196	0	(19)	(196)
End of period	$ (1,191)	1,504	(1,847)	$ (1,191)
Parent Company [Member]
Beginning of period		(1,847)
End of period		$ 1,504	$ (1,847)