Investment Securities (Aggregate Unrealized Losses and Aggregate Fair Value of Underlying Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities [Line Items]
Held-to-maturity Securities, Fair Value	$ 767	$ 32,114
Held-to-maturity Securities, Unrealized Losses	(3)	(1,075)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months		3,932
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		(46)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	767	28,182
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(3)	(1,029)
Available-for-sale Securities, Fair Value	34,261	86,643
Available-for-sale Securities, Unrealized Loss	(343)	(2,122)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	3,436	2,035
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(19)	(7)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	30,825	84,608
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(324)	(2,115)
US Government Agency Obligations [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value	4,993	37,723
Available-for-sale Securities, Unrealized Loss	(8)	(359)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	4,993	37,723
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(8)	(359)
Government Sponsored Entities (GSE) Mortgage-Backed Securities [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value	20,444	26,558
Available-for-sale Securities, Unrealized Loss	(187)	(1,005)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	2,244
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(11)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	18,200	26,558
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(176)	(1,005)
Collateralized Mortgage Obligations GSE [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value	164	1,132
Held-to-maturity Securities, Unrealized Losses	(1)	(27)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	164	1,132
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(1)	(27)
Available-for-sale Securities, Fair Value	7,040	9,808
Available-for-sale Securities, Unrealized Loss	(144)	(441)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	409
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(7)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	6,631	9,808
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(137)	(441)
Corporate Bonds [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value		4,157
Held-to-maturity Securities, Unrealized Losses		(47)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months		1,887
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		(15)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months		2,270
Held-to-maturity Securities, Unrealized Loss More Than 12 Months		(32)
Available-for-sale Securities, Fair Value	1,001	10,704
Available-for-sale Securities, Unrealized Loss	(3)	(186)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months		2,035
Available-for-sale Securities, Unrealized Loss Less Than 12 Months		(7)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	1,001	8,669
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(3)	(179)
State and Municipal Taxable [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value		359
Held-to-maturity Securities, Unrealized Losses		(3)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months		359
Held-to-maturity Securities, Unrealized Loss More Than 12 Months		(3)
State and Municipal Tax-Exempt [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value	603	26,466
Held-to-maturity Securities, Unrealized Losses	(2)	(998)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months		2,045
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		(31)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	603	24,421
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(2)	(967)
Available-for-sale Securities, Fair Value	783	1,850
Available-for-sale Securities, Unrealized Loss	(1)	(131)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	783
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	$ (1)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months		1,850
Available-for-sale Securities, Unrealized Loss More Than 12 Months		$ (131)

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