Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Investment securities:
Available for sale	$ 233,634	$ 288,612
Bank-owned life insurance	25,781	25,410
Accrued interest receivable	4,298	4,696
Financial liabilities:
Interest-bearing deposits	756,540	755,625
Noninterest-bearing deposits	232,588	217,377
Level I
Financial assets:
Cash and cash equivalents	25,242	24,606
Investment securities:
Available for sale	12,614	12,965
Loans held for sale	1,602	1,626
Loans, net	0	0
Bank-owned life insurance	25,781	25,410
Accrued interest receivable	4,298	4,696
Financial liabilities:
Interest-bearing deposits	516,131	488,818
Noninterest-bearing deposits	232,588	217,377
Short-term borrowings	17,213	26,716
Long-term borrowings	0	0
Accrued interest payable	411	405
Level II
Financial assets:
Cash and cash equivalents	0	0
Investment securities:
Available for sale	221,020	275,647
Loans held for sale	0	0
Loans, net	0	0
Bank-owned life insurance	0	0
Accrued interest receivable	0	0
Financial liabilities:
Interest-bearing deposits	0	0
Noninterest-bearing deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Accrued interest payable	0	0
Level III
Financial assets:
Cash and cash equivalents	0	0
Investment securities:
Available for sale	0	0
Loans held for sale	0	0
Loans, net	880,287	808,895
Bank-owned life insurance	0	0
Accrued interest receivable	0	0
Financial liabilities:
Interest-bearing deposits	218,030	235,638
Noninterest-bearing deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	73,194	73,248
Accrued interest payable	0	0
Carrying Value
Financial assets:
Cash and cash equivalents	25,242	24,606
Investment securities:
Available for sale	233,634	288,612
Loans held for sale	1,602	1,626
Loans, net	881,477	808,200
Bank-owned life insurance	25,781	25,410
Accrued interest receivable	4,298	4,696
Financial liabilities:
Interest-bearing deposits	756,540	755,625
Noninterest-bearing deposits	232,588	217,377
Short-term borrowings	17,213	26,716
Long-term borrowings	71,202	71,202
Accrued interest payable	411	405
Fair Value
Financial assets:
Cash and cash equivalents	25,242	24,606
Investment securities:
Available for sale	233,634	288,612
Loans held for sale	1,602	1,626
Loans, net	880,287	808,895
Bank-owned life insurance	25,781	25,410
Accrued interest receivable	4,298	4,696
Financial liabilities:
Interest-bearing deposits	734,161	724,456
Noninterest-bearing deposits	232,588	217,377
Short-term borrowings	17,213	26,716
Long-term borrowings	73,194	73,248
Accrued interest payable	$ 411	$ 405