Securities (Unrealized Losses On Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Total temporarily impaired securities, Less than 12 months, Fair Value	$ 70,191	$ 56,701
Total temporarily impaired securities, 12 months or longer, Fair Value	19,963	3,900
Total temporarily impaired securities, Total, Fair Value	90,154	60,601
Total temporarily impaired securities, Less than 12 months, Unrealized Losses	(725)	(1,126)
Total temporarily impaired securities, 12 months or longer, Unrealized Losses	(511)	(128)
Total temporarily impaired securities, Total, Unrealized Losses	(1,236)	(1,254)
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held To Maturity, Less than 12 months, Fair Value	3,471	863
Held To Maturity, 12 months or longer, Fair Value	561	706
Held To Maturity, Total, Fair Value	4,032	1,569
Held To Maturity, Less than 12 months, Unrealized Losses	(4)	(3)
Held To Maturity, 12 months or longer, Unrealized Losses	(17)	(26)
Held To Maturity, Total, Unrealized Losses	(21)	(29)
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	18,540	6,847
Available for Sale, 12 months or longer, Fair Value
Available for Sale, Total, Fair Value	18,540	6,847
Available for Sale, Less than 12 months, Unrealized Losses	(278)	(153)
Available for Sale, 12 months or longer, Unrealized Losses
Available for Sale, Total, Unrealized Losses	(278)	(153)
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	2,470	16,895
Available for Sale, 12 months or longer, Fair Value	1,645	731
Available for Sale, Total, Fair Value	4,115	17,626
Available for Sale, Less than 12 months, Unrealized Losses	(8)	(146)
Available for Sale, 12 months or longer, Unrealized Losses	(13)	(20)
Available for Sale, Total, Unrealized Losses	(21)	(166)
Total Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	21,010	23,742
Available for Sale, 12 months or longer, Fair Value	1,645	731
Available for Sale, Total, Fair Value	22,655	24,473
Available for Sale, Less than 12 months, Unrealized Losses	(286)	(299)
Available for Sale, 12 months or longer, Unrealized Losses	(13)	(20)
Available for Sale, Total, Unrealized Losses	(299)	(319)
FNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	18,130	9,577
Available for Sale, 12 months or longer, Fair Value	4,079
Available for Sale, Total, Fair Value	22,209	9,577
Available for Sale, Less than 12 months, Unrealized Losses	(141)	(230)
Available for Sale, 12 months or longer, Unrealized Losses	(89)
Available for Sale, Total, Unrealized Losses	(230)	(230)
FHLMC [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	10,281	1,728
Available for Sale, 12 months or longer, Fair Value	1,039	988
Available for Sale, Total, Fair Value	11,320	2,716
Available for Sale, Less than 12 months, Unrealized Losses	(82)	(8)
Available for Sale, 12 months or longer, Unrealized Losses	(34)	(43)
Available for Sale, Total, Unrealized Losses	(116)	(51)
GNMA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	940	1,046
Available for Sale, 12 months or longer, Fair Value	287	309
Available for Sale, Total, Fair Value	1,227	1,355
Available for Sale, Less than 12 months, Unrealized Losses	(14)	(17)
Available for Sale, 12 months or longer, Unrealized Losses	(1)	(4)
Available for Sale, Total, Unrealized Losses	(15)	(21)
SBA [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	4,354
Available for Sale, 12 months or longer, Fair Value
Available for Sale, Total, Fair Value	4,354
Available for Sale, Less than 12 months, Unrealized Losses	(82)
Available for Sale, 12 months or longer, Unrealized Losses
Available for Sale, Total, Unrealized Losses	(82)
CMO [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	12,005	19,745
Available for Sale, 12 months or longer, Fair Value	12,352	1,166
Available for Sale, Total, Fair Value	24,357	20,911
Available for Sale, Less than 12 months, Unrealized Losses	(116)	(569)
Available for Sale, 12 months or longer, Unrealized Losses	(357)	(35)
Available for Sale, Total, Unrealized Losses	(473)	(604)
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale, Less than 12 months, Fair Value	45,710	32,096
Available for Sale, 12 months or longer, Fair Value	17,757	2,463
Available for Sale, Total, Fair Value	63,467	34,559
Available for Sale, Less than 12 months, Unrealized Losses	(435)	(824)
Available for Sale, 12 months or longer, Unrealized Losses	(481)	(82)
Available for Sale, Total, Unrealized Losses	$ (916)	$ (906)

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