Fair Value Measurements, Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Carrying Amount [Member]
Financial assets [Abstract]
Cash and due from banks	$ 10,674	$ 14,783
Interest-bearing deposits	107,176	96,597
Securities	358,487	352,043
Mortgages loans held for sale	313	2,796
Loans net	566,667	583,813
Accrued interest receivable	5,878	6,247
Bank-owned life insurance	20,690	20,523
Financial liabilities [Abstract]
Deposits	937,119	946,766
Accrued interest payable	146	139
Estimated Fair Value [Member]
Financial assets [Abstract]
Cash and due from banks	10,674	14,783
Interest-bearing deposits	107,176	96,597
Securities	365,758	362,350
Mortgages loans held for sale	313	2,796
Loans net	555,322	570,471
Accrued interest receivable	5,878	6,247
Bank-owned life insurance	20,690	20,523
Financial liabilities [Abstract]
Deposits	931,041	941,848
Accrued interest payable	146	139
Level 1 [Member]
Financial assets [Abstract]
Cash and due from banks	10,674	14,783
Interest-bearing deposits	107,176	96,597
Securities	0	0
Mortgages loans held for sale	0	0
Loans net	0	0
Accrued interest receivable	5,878	6,247
Bank-owned life insurance	20,690	20,523
Financial liabilities [Abstract]
Deposits	667,227	669,028
Accrued interest payable	146	139
Level 2 [Member]
Financial assets [Abstract]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Securities	365,758	362,350
Mortgages loans held for sale	313	2,796
Loans net	0	0
Accrued interest receivable	0	0
Bank-owned life insurance	0	0
Financial liabilities [Abstract]
Deposits	0	0
Accrued interest payable	0	0
Level 3 [Member]
Financial assets [Abstract]
Cash and due from banks	0	0
Interest-bearing deposits	0	0
Securities	0	0
Mortgages loans held for sale	0	0
Loans net	555,322	570,471
Accrued interest receivable	0	0
Bank-owned life insurance	0	0
Financial liabilities [Abstract]
Deposits	263,814	272,820
Accrued interest payable	$ 0	$ 0

No definition available.

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- Definition

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No definition available.

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- Definition

For banks and other depository institutions: Includes fair value of cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

+ References

No definition available.

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- Definition

For banks and other depository institutions (including Federal Reserve Banks, if applicable). Fair value of interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

+ References

No definition available.

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No definition available.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the portion of a balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount that could be realized under a life insurance contract or contracts owned by the Company as of the date of the statement of financial position. Such Company-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Surrender Value

-URI http://asc.fasb.org/extlink&oid=6507153

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 88-5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Technical Bulletin (FTB)

-Number 85-4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Glossary Loan

-URI http://asc.fasb.org/extlink&oid=6517073

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

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