Disclosures About Fair Value Measurements (Fair Value of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
FINANCIAL ASSETS:
Available for sale	$ 149,656	$ 151,538
Held to maturity securities, fair value	18,479	14,266
Fair Value [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	25,655	26,820
Available for sale	149,656	151,538
Held to maturity securities, fair value	18,479	14,266
Regulatory stock	6,991	6,304
Loans held for sale	6,752	10,722
Loans, net of allowance for loan loss and unearned income	735,903	716,756
Accrued income receivable	3,242	2,960
Bank owned life insurance	36,260	36,214
Fair value of swap asset	53	164
FINANCIAL LIABILITIES:
Deposits with no stated maturities	533,969	520,002
Deposits with stated maturities	312,783	320,930
Short-term borrowings	34,292	15,660
All other borrowings	32,311	30,442
Accrued interest payable	1,557	2,083
Fair value of swap liability	53	164
Carrying value [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	25,655	26,820
Available for sale	149,656	151,538
Held to maturity securities, fair value	18,628	13,723
Regulatory stock	6,991	6,304
Loans held for sale	6,625	10,576
Loans, net of allowance for loan loss and unearned income	733,752	708,594
Accrued income receivable	3,242	2,960
Bank owned life insurance	36,260	36,214
Fair value of swap asset	53	164
FINANCIAL LIABILITIES:
Deposits with no stated maturities	533,969	520,002
Deposits with stated maturities	306,303	315,732
Short-term borrowings	34,292	15,660
All other borrowings	29,085	26,085
Accrued interest payable	1,557	2,083
Fair value of swap liability	53	164
Level 1 [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	25,655	26,820
Available for sale
Held to maturity securities, fair value
Regulatory stock	6,991	6,304
Loans held for sale	6,752	10,722
Loans, net of allowance for loan loss and unearned income
Accrued income receivable	3,242	2,960
Bank owned life insurance	36,260	36,214
Fair value of swap asset
FINANCIAL LIABILITIES:
Deposits with no stated maturities	533,969	520,002
Deposits with stated maturities
Short-term borrowings	34,292	15,660
All other borrowings
Accrued interest payable	1,557	2,083
Fair value of swap liability
Level 2 [Member]
FINANCIAL ASSETS:
Cash and cash equivalents
Available for sale	149,656	151,538
Held to maturity securities, fair value	15,486	11,321
Regulatory stock
Loans held for sale
Loans, net of allowance for loan loss and unearned income
Accrued income receivable
Bank owned life insurance
Fair value of swap asset	53	164
FINANCIAL LIABILITIES:
Deposits with no stated maturities
Deposits with stated maturities
Short-term borrowings
All other borrowings
Accrued interest payable
Fair value of swap liability	53	164
Level 3 [Member]
FINANCIAL ASSETS:
Cash and cash equivalents
Available for sale
Held to maturity securities, fair value	2,993	2,945
Regulatory stock
Loans held for sale
Loans, net of allowance for loan loss and unearned income	735,903	716,756
Accrued income receivable
Bank owned life insurance
Fair value of swap asset
FINANCIAL LIABILITIES:
Deposits with no stated maturities
Deposits with stated maturities	312,783	320,930
Short-term borrowings
All other borrowings	32,311	30,442
Accrued interest payable
Fair value of swap liability

Debt and capital lease obligations fair value disclosure.

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Deposits with no stated maturities fair value disclosure.

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Deposits with stated maturities fair value disclosure.

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Regulatory assets fair value disclosure.

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Fair value portion of trade and related party payables and accrued expenses.

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Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties.

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Subparagraph a, b

-Article 5

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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-Publisher FASB

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-Glossary Cash

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-Name Accounting Standards Codification

-Glossary Cash Equivalents

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Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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-Name Accounting Standards Codification

-Glossary Cash Surrender Value

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Topic 210

-SubTopic 20

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-Paragraph 3

-Subparagraph (c)

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13(3)(a))

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Fair value of investments in debt securities classified as held-to-maturity.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Glossary Loan

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