Federal Home Loan Bank (FHLB) Advances and Other Short-Term Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
FHLB advances - short term:
Short term	$ 2,499	$ 4,259
Other short term borrowings:
Securities sold under repurchase agreements, Weighted Average Interest Rate	0.37%	0.25%	0.12%
Long-term Debt
Fixed-rate payable and convertible fixed-rate FHLB advances, with monthly interest payments:
Due in 2015		$ 4,000
Due in 2016	$ 5,000	5,000
Due in 2017	18,000	16,000
Due in 2018	2,000
Total FHLB advances - long term	$ 25,000	25,000
Weighted Average Interest Rate Due in 2016	1.99%
Weighted Average Interest Rate Due in 2017	3.77%
Weighted Average Interest Rate Due in 2018	1.17%
Weighted Average Interest Rate, Total FHLB advances - long term	3.20%
Short-term Debt
FHLB advances - short term:
Short term	$ 8,000	9,500
Cash management	9,000	6,000
Total FHLB advances - short term	$ 17,000	15,500
Weighted Average Interest Rate Short term	0.39%
Weighted Average Interest Rate Cash management	0.36%
Total FHLB advances - short term, Weighted Average Interest Rate	0.37%
Total FHLB advances, Weighted Average Interest Rate	2.06%
Total FHLB advances	$ 42,000	40,500
Other short term borrowings:
Securities sold under repurchase agreements	2,499	4,259
Total FHLB advances and other short term borrowings	$ 44,499	$ 44,759
Securities sold under repurchase agreements, Weighted Average Interest Rate	0.11%
Total FHLB advances and other short-term borrowings, Weighted Average Interest Rate	1.95%