Fair Value of Financial Instruments - Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financial Assets [Abstract]
Available-for-sale Securities	$ 168,321	$ 224,067
Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	28,391	25,420
Available-for-sale Securities	26	26
Other investment	0	0
Federal Home Loan Bank stock	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Financial Liabilities
Demand deposits	0	0
NOW and money markets	0	0
Interest-bearing brokered deposits		0
Savings	0	0
Time deposits	0	0
Short-term borrowings	15,000	9,000
Long-term borrowings	0	0
Subordinated debt	0	0
Accrued interest payable	0	0
Level 2 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Available-for-sale Securities	166,462	221,546
Other investment	0	0
Federal Home Loan Bank stock	0	0
Loans, net	0	0
Accrued interest receivable	3,770	4,149
Financial Liabilities
Demand deposits	90,709	83,529
NOW and money markets	201,827	207,809
Interest-bearing brokered deposits		25,000
Savings	81,331	53,833
Time deposits	216,304	207,110
Short-term borrowings	0	0
Long-term borrowings	83,706	80,258
Subordinated debt	26,864	26,789
Accrued interest payable	2,240	709
Level 3 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Available-for-sale Securities	1,833	2,495
Other investment	2,250	2,250
Federal Home Loan Bank stock	3,018	2,545
Loans, net	560,238	484,961
Accrued interest receivable	0	0
Financial Liabilities
Demand deposits	0	0
NOW and money markets	0	0
Interest-bearing brokered deposits		0
Savings	0	0
Time deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debt	0	0
Accrued interest payable	0	0
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and cash equivalents	28,391	25,420
Available-for-sale Securities	168,321	224,067
Other investment	2,250	2,250
Federal Home Loan Bank stock	3,018	2,545
Loans, net	565,564	489,414
Accrued interest receivable	3,770	4,149
Financial Liabilities
Demand deposits	90,709	83,529
NOW and money markets	201,827	207,809
Interest-bearing brokered deposits		25,000
Savings	81,331	53,833
Time deposits	218,372	207,721
Short-term borrowings	15,000	9,000
Long-term borrowings	85,000	81,970
Subordinated debt	25,774	25,774
Accrued interest payable	2,240	709
Estimated Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	28,391	25,420
Available-for-sale Securities	168,321	224,067
Other investment	2,250	2,250
Federal Home Loan Bank stock	3,018	2,545
Loans, net	560,238	484,961
Accrued interest receivable	3,770	4,149
Financial Liabilities
Demand deposits	90,709	83,529
NOW and money markets	201,827	207,809
Interest-bearing brokered deposits		25,000
Savings	81,331	53,833
Time deposits	216,304	207,110
Short-term borrowings	15,000	9,000
Long-term borrowings	83,706	80,258
Subordinated debt	26,864	26,789
Accrued interest payable	2,240	709
Interest Rate Swap | Level 1 [Member]
Financial Liabilities
Derivative Liability	0	0
Interest Rate Swap | Level 2 [Member]
Financial Liabilities
Derivative Liability	1,030	555
Interest Rate Swap | Level 3 [Member]
Financial Liabilities
Derivative Liability	0	0
Interest Rate Swap | Carrying Amount [Member]
Financial Liabilities
Derivative Liability	1,030	555
Interest Rate Swap | Estimated Fair Value [Member]
Financial Liabilities
Derivative Liability	$ 1,030	$ 555