Investment Securities (Schedule of Fair Values Investment Securities Available for Contractual Maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount	$ 9,926	$ 8,578
Contractual Maturities, One to five years, Yield	2.18%	2.03%
Contractual Maturities, Five to ten years, Amount	$ 18,392	$ 22,379
Contractual Maturities, Five to ten years, Yield	2.48%	2.62%
Contractual Maturities, Over ten years, Amount	$ 61,109	$ 43,948
Contractual Maturities, Over ten years, Yield	2.63%	2.81%
Contractual Maturities, Total, Amount	$ 89,427	$ 74,905
Contractual Maturities, Total, Yield	2.55%	2.67%
US Government Agencies [Member]
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount	$ 3,980	$ 2,665
Contractual Maturities, One to five years, Yield	2.09%	2.12%
Contractual Maturities, Five to ten years, Amount	$ 3,703	$ 6,117
Contractual Maturities, Five to ten years, Yield	2.61%	2.77%
Contractual Maturities, Over ten years, Amount	$ 6,082
Contractual Maturities, Over ten years, Yield	3.18%
Contractual Maturities, Total, Amount	$ 13,765	$ 8,782
Contractual Maturities, Total, Yield	2.71%	2.57%
SBA Securities [Member]
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount
Contractual Maturities, One to five years, Yield
Contractual Maturities, Five to ten years, Amount	$ 657
Contractual Maturities, Five to ten years, Yield	2.80%
Contractual Maturities, Over ten years, Amount	$ 3,147	$ 3,525
Contractual Maturities, Over ten years, Yield	2.77%	2.72%
Contractual Maturities, Total, Amount	$ 3,804	$ 3,525
Contractual Maturities, Total, Yield	2.77%	2.72%
State and Political Subdivisions [Member]
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount	$ 1,533	$ 819
Contractual Maturities, One to five years, Yield	3.00%	2.60%
Contractual Maturities, Five to ten years, Amount	$ 3,765	$ 4,637
Contractual Maturities, Five to ten years, Yield	2.93%	3.04%
Contractual Maturities, Over ten years, Amount	$ 3,942	$ 2,900
Contractual Maturities, Over ten years, Yield	2.87%	2.88%
Contractual Maturities, Total, Amount	$ 9,240	$ 8,356
Contractual Maturities, Total, Yield	2.92%	2.94%
Asset-backed Securities [Member]
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount
Contractual Maturities, One to five years, Yield
Contractual Maturities, Five to ten years, Amount	$ 1,601	$ 1,862
Contractual Maturities, Five to ten years, Yield	2.73%	3.22%
Contractual Maturities, Over ten years, Amount	$ 10,672	$ 7,696
Contractual Maturities, Over ten years, Yield	2.91%	3.29%
Contractual Maturities, Total, Amount	$ 12,273	$ 9,558
Contractual Maturities, Total, Yield	2.89%	3.27%
Mortgage Backed Securities [Member]
Available for sale
Contractual Maturities, Less than one year, Amount
Contractual Maturities, Less than one year, Yield
Contractual Maturities, One to five years, Amount	$ 4,413	$ 5,094
Contractual Maturities, One to five years, Yield	1.97%	1.89%
Contractual Maturities, Five to ten years, Amount	$ 8,666	$ 9,763
Contractual Maturities, Five to ten years, Yield	2.17%	2.22%
Contractual Maturities, Over ten years, Amount	$ 37,266	$ 29,827
Contractual Maturities, Over ten years, Yield	2.42%	2.70%
Contractual Maturities, Total, Amount	$ 50,345	$ 44,684
Contractual Maturities, Total, Yield	2.34%	2.50%