Securities Available For Sale (Investments' Gross Unrealized Losses And Fair Value) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	$ 22,569	$ 34,713
Fair Value, 12 Months or More	42,246	20,722
Fair Value, Total	64,815	55,435
Unrealized Losses, Less Than 12 Months	(694)	(406)
Unrealized Losses, 12 Months or More	(2,578)	(739)
Unrealized Losses, Total	(3,272)	(1,145)
U.S Government Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	1,000	7,003
Fair Value, 12 Months or More	4,989	2,985
Fair Value, Total	5,989	9,988
Unrealized Losses, Less Than 12 Months		(24)
Unrealized Losses, 12 Months or More	(19)	(27)
Unrealized Losses, Total	(19)	(51)
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	6,473	2,415
Fair Value, 12 Months or More	6,714	6,235
Fair Value, Total	13,187	8,650
Unrealized Losses, Less Than 12 Months	(361)	(77)
Unrealized Losses, 12 Months or More	(916)	(392)
Unrealized Losses, Total	(1,277)	(469)
U.S. Government Sponsored Enterprise (GSE) - Mortgage-Backed Securities - Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	15,096	25,295
Fair Value, 12 Months or More	30,543	11,502
Fair Value, Total	45,639	36,797
Unrealized Losses, Less Than 12 Months	(333)	(305)
Unrealized Losses, 12 Months or More	(1,643)	(320)
Unrealized Losses, Total	$ (1,976)	$ (625)