Securities (Reconciliation from Amortized Cost to Estimated Fair Value of Marketable Securities) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	$ 48,512	$ 52,869
Available-for-sale securities, Gross Unrealized Gains	708	679
Available-for-sale securities, Gross Unrealized Losses	(654)	(683)
Available-for-sale securities, Estimated Fair Value	48,566	52,865
Securities held-to-maturity, Amortized Cost	18,163	18,471
Securities held-to-maturity, Gross Unrealized Gains	435	328
Securities held-to-maturity, Gross Unrealized Losses	(42)	(192)
Securities held-to-maturity, Estimated Fair Value	18,556	18,607
US Government Agencies Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	7,001	6,649
Available-for-sale securities, Gross Unrealized Gains	28
Available-for-sale securities, Gross Unrealized Losses	(25)	(68)
Available-for-sale securities, Estimated Fair Value	7,004	6,581
Securities held-to-maturity, Amortized Cost	3,988	3,988
Securities held-to-maturity, Gross Unrealized Losses	(30)	(87)
Securities held-to-maturity, Estimated Fair Value	3,958	3,901
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	7,439	10,625
Available-for-sale securities, Gross Unrealized Gains	134	159
Available-for-sale securities, Gross Unrealized Losses		(2)
Available-for-sale securities, Estimated Fair Value	7,573	10,782
Securities held-to-maturity, Amortized Cost	2,362	2,364
Securities held-to-maturity, Gross Unrealized Gains	204	187
Securities held-to-maturity, Gross Unrealized Losses		(1)
Securities held-to-maturity, Estimated Fair Value	2,566	2,550
Residential Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	24,635	26,191
Available-for-sale securities, Gross Unrealized Gains	541	449
Available-for-sale securities, Gross Unrealized Losses	(142)	(201)
Available-for-sale securities, Estimated Fair Value	25,034	26,439
Securities held-to-maturity, Amortized Cost	5,952	6,232
Securities held-to-maturity, Gross Unrealized Gains	159	141
Securities held-to-maturity, Gross Unrealized Losses	(11)	(28)
Securities held-to-maturity, Estimated Fair Value	6,100	6,345
Commercial Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Securities held-to-maturity, Amortized Cost	3,876	3,902
Securities held-to-maturity, Gross Unrealized Gains	72
Securities held-to-maturity, Gross Unrealized Losses		(62)
Securities held-to-maturity, Estimated Fair Value	3,948	3,840
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost	9,437	9,404
Available-for-sale securities, Gross Unrealized Gains	5	71
Available-for-sale securities, Gross Unrealized Losses	(487)	(412)
Available-for-sale securities, Estimated Fair Value	8,955	9,063
Securities held-to-maturity, Amortized Cost	1,985	1,985
Securities held-to-maturity, Gross Unrealized Losses	(1)	(14)
Securities held-to-maturity, Estimated Fair Value	$ 1,984	$ 1,971