Investment Securities (Aggregate Unrealized Losses and Aggregate Fair Value of Underlying Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Securities [Line Items]
Held-to-maturity Securities, Fair Value	$ 5,708	$ 32,114
Held-to-maturity Securities, Unrealized Losses	(36)	(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	5,708	28,182
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(36)	(1,029)
Available-for-sale Securities, Fair Value	50,253	86,643
Available-for-sale Securities, Unrealized Loss	(534)	(2,122)
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	50,253	84,608
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(534)	(2,115)
US Government Agency Obligations [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value	13,965	37,723
Available-for-sale Securities, Unrealized Loss	(24)	(359)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	13,965	37,723
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(24)	(359)
Government Sponsored Entities (GSE) Mortgage-Backed Securities [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value	22,599	26,558
Available-for-sale Securities, Unrealized Loss	(306)	(1,005)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	22,599	26,558
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(306)	(1,005)
Collateralized Mortgage Obligations GSE [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value	171	1,132
Held-to-maturity Securities, Unrealized Losses	(4)	(27)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	171	1,132
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(4)	(27)
Available-for-sale Securities, Fair Value	6,980	9,808
Available-for-sale Securities, Unrealized Loss	(177)	(441)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	6,980	9,808
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(177)	(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	5,028	10,704
Available-for-sale Securities, Unrealized Loss	(7)	(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	5,028	8,669
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(7)	(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	5,537	26,466
Held-to-maturity Securities, Unrealized Losses	(32)	(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	5,537	24,421
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(32)	(967)
Available-for-sale Securities, Fair Value	1,681	1,850
Available-for-sale Securities, Unrealized Loss	(20)	(131)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	1,681	1,850
Available-for-sale Securities, Unrealized Loss More Than 12 Months	$ (20)	$ (131)

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