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Disclosures About Fair Value Measurements (Fair Value of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
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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 |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13487-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Subparagraph a, b -Article 5 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226008-175313 + Details
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