Fair Value (Details 6) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents, carrying value	$ 15,351,000	$ 18,496,000	$ 10,569,000	$ 12,396,000
Investment securities available-for-sale, carrying value	179,219,000	153,901,000
Loans held for sale	4,554,000	4,033,000
Loans, net of allowance for loan losses, carrying value	414,900,000	389,060,000
Bank-owned life insurance	17,376,000	17,328,000
Accrued interest receivable, carrying value	2,041,000	1,640,000
Trading securities, carrying value		8,134,000
Interest rate derivatives, carrying value	297,000	171,000
LIABILITIES
Demand, savings and money market deposits, carrying value	408,983,000	364,577,000
Time deposits, carrying value	130,867,000	131,827,000
Short-term borrowings	2,702,000	2,499,000
Federal Home Loan Bank advances - short term	23,000,000	17,000,000
Federal Home Loan Bank advances - long term	17,500,000	25,000,000
Subordinated debt, carrying value	5,155,000	5,155,000
Accrued interest payable, carrying value	288,000	255,000
Interest rate derivatives, carrying value	297,000	171,000
ASSETS:
Cash and cash equivalents, fair value	15,351,000	18,496,000
Available-for-sale securities, Fair Value	179,219,000	153,901,000
Loans held for sale, fair value	4,554,000	4,033,000
Loans, net of allowance for loan losses, fair value	418,532,000	393,355,000
Bank-owned life insurance, fair value	17,376,000	17,328,000
Accrued interest receivable, fair value	2,041,000	1,640,000
Interest rate derivatives, fair value	297,000	171,000
Trading securities	0	8,134,000
LIABILITIES:
Demand, savings and money market deposits, fair value	408,983,000	364,577,000
Time deposits, fair value	133,108,000	134,251,000
Short-term borrowings, fair value	2,702,000	2,499,000
Federal Home Loan Bank advances - short term, fair value	22,998,000	16,995,000
Federal Home Loan Bank advances - long term, fair value	17,580,000	25,667,000
Subordinated debt, fair value	4,363,000	4,321,000
Accrued interest payable, fair value	288,000	255,000
Interest rate derivatives, fair value	297,000	171,000
Level 1
ASSETS
Loans held for sale	4,554,000	4,033,000
ASSETS:
Cash and cash equivalents, fair value	15,351,000	18,496,000
Available-for-sale securities, Fair Value	2,581,000	3,049,000
Loans held for sale, fair value	4,554,000	4,033,000
Bank-owned life insurance, fair value	17,376,000	17,328,000
Accrued interest receivable, fair value	2,041,000	1,640,000
LIABILITIES:
Demand, savings and money market deposits, fair value	408,983,000	364,577,000
Short-term borrowings, fair value	2,702,000	2,499,000
Federal Home Loan Bank advances - short term, fair value	17,000,000	12,000,000
Accrued interest payable, fair value	288,000	255,000
Level 2
ASSETS:
Available-for-sale securities, Fair Value	175,813,000	150,074,000
Interest rate derivatives, fair value	297,000	171,000
Trading securities		8,134,000
LIABILITIES:
Interest rate derivatives, fair value	297,000	171,000
Level 3
ASSETS:
Available-for-sale securities, Fair Value	825,000	778,000
Loans, net of allowance for loan losses, fair value	418,532,000	393,355,000
LIABILITIES:
Time deposits, fair value	133,108,000	134,251,000
Federal Home Loan Bank advances - short term, fair value	5,998,000	4,995,000
Federal Home Loan Bank advances - long term, fair value	17,580,000	25,667,000
Subordinated debt, fair value	$ 4,363,000	$ 4,321,000