Investment Securities (Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value) (Details) $ in Thousands	Dec. 31, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 7,951	$ 35,672
Less than 12 months: Unrealized losses	(29)	(461)
More than 12 months: Fair value	16,518	83,311
More than 12 months: Unrealized losses	(109)	(2,458)
Total: Fair value	24,469	118,983
Total: Unrealized losses	$ (138)	$ (2,919)
Less than 12 months: Number of securities | security	5	31
More than 12 months: Number of securities | security	12	69
Total: Number of securities | security	17	100
Agency - GSE [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value		$ 3,937
Less than 12 months: Unrealized losses		(17)
Total: Fair value		3,937
Total: Unrealized losses		(17)
Obligations Of States And Political Subdivisions [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 2,867	6,123
Less than 12 months: Unrealized losses	(10)	(91)
More than 12 months: Fair value		8,447
More than 12 months: Unrealized losses		(196)
Total: Fair value	2,867	14,570
Total: Unrealized losses	$ (10)	(287)
Total: Number of securities | security	3
MBS - GSE Residential [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair value	$ 5,084	25,612
Less than 12 months: Unrealized losses	(19)	(353)
More than 12 months: Fair value	16,518	74,864
More than 12 months: Unrealized losses	(109)	(2,262)
Total: Fair value	21,602	100,476
Total: Unrealized losses	$ (128)	$ (2,615)
More than 12 months: Number of securities | security	12
Total: Number of securities | security	14