Investment Securities (Details 1) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to five years, Value	$ 3,325	$ 4,613
Available-for-sale Securities, Contractual Maturities, One to five years, Yield	1.55%	1.73%
Available-for-sale Securities, Contractual Maturities, Five to ten years, Value	$ 24,051	$ 30,784
Available-for-sale Securities, Contractual Maturities, Five to ten years, Yield	2.02%	2.31%
Available-for-sale Securities, Contractual Maturities, Over ten years, Value	$ 40,498	$ 54,542
Available-for-sale Securities, Contractual Maturities, Over ten years, Yield	1.87%	2.18%
Investment securities available for sale, Value	$ 67,874	$ 89,939
Available-for-sale Securities, Contractual Securities, Yield Total	1.91%	2.20%
US government agencies [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to five years, Value	$ 1,001	$ 4,149
Available-for-sale Securities, Contractual Maturities, One to five years, Yield	1.15%	1.74%
Available-for-sale Securities, Contractual Maturities, Five to ten years, Value	$ 5,398	$ 8,704
Available-for-sale Securities, Contractual Maturities, Five to ten years, Yield	2.23%	2.49%
Available-for-sale Securities, Contractual Maturities, Over ten years, Value		$ 1,746
Available-for-sale Securities, Contractual Maturities, Over ten years, Yield		3.03%
Investment securities available for sale, Value	$ 6,399	$ 14,599
Available-for-sale Securities, Contractual Securities, Yield Total	2.06%	2.34%
SBA securities [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to five years, Value
Available-for-sale Securities, Contractual Maturities, One to five years, Yield
Available-for-sale Securities, Contractual Maturities, Five to ten years, Value
Available-for-sale Securities, Contractual Maturities, Five to ten years, Yield
Available-for-sale Securities, Contractual Maturities, Over ten years, Value	$ 1,452	$ 6,277
Available-for-sale Securities, Contractual Maturities, Over ten years, Yield	1.32%	1.79%
Investment securities available for sale, Value	$ 1,452	$ 6,277
Available-for-sale Securities, Contractual Securities, Yield Total	1.32%	1.79%
State and political subdivisions [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to five years, Value	$ 2,324	$ 464
Available-for-sale Securities, Contractual Maturities, One to five years, Yield	1.73%	1.63%
Available-for-sale Securities, Contractual Maturities, Five to ten years, Value	$ 11,967	$ 14,032
Available-for-sale Securities, Contractual Maturities, Five to ten years, Yield	2.24%	2.64%
Available-for-sale Securities, Contractual Maturities, Over ten years, Value	$ 7,397	$ 7,763
Available-for-sale Securities, Contractual Maturities, Over ten years, Yield	2.88%	2.84%
Investment securities available for sale, Value	$ 21,688	$ 22,259
Available-for-sale Securities, Contractual Securities, Yield Total	2.40%	2.69%
Mortgage-backed securities [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to five years, Value
Available-for-sale Securities, Contractual Maturities, One to five years, Yield
Available-for-sale Securities, Contractual Maturities, Five to ten years, Value	$ 6,686	$ 8,048
Available-for-sale Securities, Contractual Maturities, Five to ten years, Yield	1.45%	1.56%
Available-for-sale Securities, Contractual Maturities, Over ten years, Value	$ 31,649	$ 38,756
Available-for-sale Securities, Contractual Maturities, Over ten years, Yield	1.67%	2.08%
Investment securities available for sale, Value	$ 38,335	$ 46,804
Available-for-sale Securities, Contractual Securities, Yield Total	1.63%	1.99%