Securities (Unrealized Losses On Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired securities, Less than 12 months, Fair Value	$ 75,597	$ 56,701
Total temporarily impaired securities, 12 months or longer, Fair Value	33,594	3,900
Total temporarily impaired securities, Total, Fair Value	109,191	60,601
Total temporarily impaired securities, Less than 12 months, Unrealized Losses	(917)	(1,126)
Total temporarily impaired securities, 12 months or longer, Unrealized Losses	(983)	(128)
Total temporarily impaired securities, Total, Unrealized Losses	(1,900)	(1,254)
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held To Maturity, Less than 12 months, Fair Value	4,548	863
Held To Maturity, 12 months or longer, Fair Value	626	706
Held To Maturity, Total, Fair Value	5,174	1,569
Held To Maturity, Less than 12 months, Unrealized Losses	(37)	(3)
Held To Maturity, 12 months or longer, Unrealized Losses	(37)	(26)
Held To Maturity, Total, Unrealized Losses	(74)	(29)
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	15,151	6,847
Available for Sale, 12 months or longer, Fair Value	6,863
Available for Sale, Total, Fair Value	22,014	6,847
Available for Sale, Less than 12 months, Unrealized Losses	(239)	(153)
Available for Sale, 12 months or longer, Unrealized Losses	(137)
Available for Sale, Total, Unrealized Losses	(376)	(153)
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	7,288	16,895
Available for Sale, 12 months or longer, Fair Value	894	731
Available for Sale, Total, Fair Value	8,182	17,626
Available for Sale, Less than 12 months, Unrealized Losses	(28)	(146)
Available for Sale, 12 months or longer, Unrealized Losses	(14)	(20)
Available for Sale, Total, Unrealized Losses	(42)	(166)
Total Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	22,439	23,742
Available for Sale, 12 months or longer, Fair Value	7,757	731
Available for Sale, Total, Fair Value	30,196	24,473
Available for Sale, Less than 12 months, Unrealized Losses	(267)	(299)
Available for Sale, 12 months or longer, Unrealized Losses	(151)	(20)
Available for Sale, Total, Unrealized Losses	(418)	(319)
FNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	20,087	9,577
Available for Sale, 12 months or longer, Fair Value	6,517
Available for Sale, Total, Fair Value	26,604	9,577
Available for Sale, Less than 12 months, Unrealized Losses	(207)	(230)
Available for Sale, 12 months or longer, Unrealized Losses	(143)
Available for Sale, Total, Unrealized Losses	(350)	(230)
FHLMC [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	12,984	1,728
Available for Sale, 12 months or longer, Fair Value	960	988
Available for Sale, Total, Fair Value	13,944	2,716
Available for Sale, Less than 12 months, Unrealized Losses	(147)	(8)
Available for Sale, 12 months or longer, Unrealized Losses	(43)	(43)
Available for Sale, Total, Unrealized Losses	(190)	(51)
GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value		1,046
Available for Sale, 12 months or longer, Fair Value	1,212	309
Available for Sale, Total, Fair Value	1,212	1,355
Available for Sale, Less than 12 months, Unrealized Losses		(17)
Available for Sale, 12 months or longer, Unrealized Losses	(21)	(4)
Available for Sale, Total, Unrealized Losses	(21)	(21)
SBA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	4,516
Available for Sale, 12 months or longer, Fair Value	1,769
Available for Sale, Total, Fair Value	6,285
Available for Sale, Less than 12 months, Unrealized Losses	(43)
Available for Sale, 12 months or longer, Unrealized Losses	(60)
Available for Sale, Total, Unrealized Losses	(103)
CMO [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	11,023	19,745
Available for Sale, 12 months or longer, Fair Value	14,753	1,166
Available for Sale, Total, Fair Value	25,776	20,911
Available for Sale, Less than 12 months, Unrealized Losses	(216)	(569)
Available for Sale, 12 months or longer, Unrealized Losses	(528)	(35)
Available for Sale, Total, Unrealized Losses	(744)	(604)
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	48,610	32,096
Available for Sale, 12 months or longer, Fair Value	25,211	2,463
Available for Sale, Total, Fair Value	73,821	34,559
Available for Sale, Less than 12 months, Unrealized Losses	(613)	(824)
Available for Sale, 12 months or longer, Unrealized Losses	(795)	(82)
Available for Sale, Total, Unrealized Losses	$ (1,408)	$ (906)

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