Investment Securities (Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value) (Details) $ in Thousands	Dec. 31, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 57,611	$ 7,951
Less than 12 months: Unrealized losses	(421)	(29)
More than 12 months: Fair value		16,518
More than 12 months: Unrealized losses		(109)
Total: Fair value	57,611	24,469
Total: Unrealized losses	$ (421)	$ (138)
Less than 12 months: Number of securities | security	30	5
More than 12 months: Number of securities | security	0	12
Total: Number of securities | security	30	17
Agency - GSE [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 27,602
Less than 12 months: Unrealized losses	(91)
Total: Fair value	27,602
Total: Unrealized losses	$ (91)
Total: Number of securities | security	13
Obligations Of States And Political Subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 15,256	$ 2,867
Less than 12 months: Unrealized losses	(152)	(10)
Total: Fair value	15,256	2,867
Total: Unrealized losses	$ (152)	(10)
Total: Number of securities | security	12
MBS - GSE Residential [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 14,753	5,084
Less than 12 months: Unrealized losses	(178)	(19)
More than 12 months: Fair value		16,518
More than 12 months: Unrealized losses		(109)
Total: Fair value	14,753	21,602
Total: Unrealized losses	$ (178)	$ (128)
Total: Number of securities | security	5