Investment Securities (Aggregate Unrealized Losses and Aggregate Fair Value of Underlying Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Securities [Line Items]
Held-to-maturity Securities, Fair Value, Total	$ 8,515	$ 22,240
Held-to-maturity Securities, Unrealized Losses	(20)	(344)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	6,527	12,365
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months	(14)	(86)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	1,988	9,875
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(6)	(258)
Available-for-sale Securities, Fair Value, Total	43,102	138,977
Available-for-sale Securities, Unrealized Loss, Total	(266)	(1,376)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	30,321	119,196
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(89)	(806)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	12,781	19,781
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(177)	(570)
US Government Agency Obligations [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value, Total	20,185	58,208
Available-for-sale Securities, Unrealized Loss, Total	(15)	(252)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	20,185	58,208
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(15)	(252)
Government Sponsored Entities (GSE) Mortgage-Backed Securities [Member]
Securities [Line Items]
Available-for-sale Securities, Fair Value, Total		38,307
Available-for-sale Securities, Unrealized Loss, Total		(325)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months		33,984
Available-for-sale Securities, Unrealized Loss Less Than 12 Months		(238)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months		4,323
Available-for-sale Securities, Unrealized Loss More Than 12 Months		(87)
Collateralized Mortgage Obligations GSE [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value, Total	325	1,482
Held-to-maturity Securities, Unrealized Losses		(26)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	325	388
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		(10)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months		1,094
Held-to-maturity Securities, Unrealized Loss More Than 12 Months		(16)
Available-for-sale Securities, Fair Value, Total	9,078	15,231
Available-for-sale Securities, Unrealized Loss, Total	(107)	(438)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	1,734	4,187
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(14)	(41)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	7,344	11,044
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(93)	(397)
Corporate Bonds [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value, Total	1,988	7,597
Held-to-maturity Securities, Unrealized Losses	(6)	(42)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months		7,597
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months		(42)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months	1,988
Held-to-maturity Securities, Unrealized Loss More Than 12 Months	(6)
Available-for-sale Securities, Fair Value, Total	10,752	20,571
Available-for-sale Securities, Unrealized Loss, Total	(140)	(350)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	5,315	16,157
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	(56)	(264)
Available-for-sale Securities, Fair Value Impaired More Than 12 Months	5,437	4,414
Available-for-sale Securities, Unrealized Loss More Than 12 Months	(84)	(86)
State and Municipal Tax-Exempt [Member]
Securities [Line Items]
Held-to-maturity Securities, Fair Value, Total	6,202	13,161
Held-to-maturity Securities, Unrealized Losses	(14)	(276)
Held-to-maturity Securities, Fair Value Impaired Less Than 12 Months	6,202	4,380
Held-to-maturity Securities, Unrealized Loss Less Than 12 Months	(14)	(34)
Held-to-maturity Securities, Fair Value Impaired More Than 12 Months		8,781
Held-to-maturity Securities, Unrealized Loss More Than 12 Months		(242)
Available-for-sale Securities, Fair Value, Total	3,087	6,660
Available-for-sale Securities, Unrealized Loss, Total	(4)	(11)
Available-for-sale Securities, Fair Value Impaired Less Than 12 Months	3,087	6,660
Available-for-sale Securities, Unrealized Loss Less Than 12 Months	$ (4)	$ (11)