FAIR VALUE, Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) (Recurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Carrying Value [Member]
Securities available for sale
U. S. agency MBS - residential	$ 33,652	$ 37,100
U. S. agency CMO's - residential	220,719	212,847
Total mortgage-backed securities of government sponsored agencies	254,371	249,947
U. S. government sponsored agency securities	10,180	22,244
Obligations of states and political subdivisions	7,826	7,860
Other securities	3,031	3,924
Total available for sale	275,408	283,975
Fair Value [Member] \| Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Securities available for sale
U. S. agency MBS - residential	0	0
U. S. agency CMO's - residential	0	0
Total mortgage-backed securities of government sponsored agencies	0	0
U. S. government sponsored agency securities	0	0
Obligations of states and political subdivisions	0	0
Other securities	0	0
Total available for sale	0	0
Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Securities available for sale
U. S. agency MBS - residential	33,652	37,100
U. S. agency CMO's - residential	220,719	212,847
Total mortgage-backed securities of government sponsored agencies	254,371	249,947
U. S. government sponsored agency securities	10,180	22,244
Obligations of states and political subdivisions	7,686	7,720
Other securities	3,031	3,924
Total available for sale	275,268	283,835
Fair Value [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale
U. S. agency MBS - residential	0	0
U. S. agency CMO's - residential	0	0
Total mortgage-backed securities of government sponsored agencies	0	0
U. S. government sponsored agency securities	0	0
Obligations of states and political subdivisions	140	140
Other securities	0	0
Total available for sale	$ 140	$ 140

Fair value disclosure of obligations of states and political subdivisions.

No definition available.

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- Definition

Fair value disclosure of total mortgage-backed-securities of government sponsored agencies.

+ References

No definition available.

+ Details

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- Definition

The fair value disclosure of U.S. agency CMO's - residential.

+ References

No definition available.

+ Details

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- Definition

Fair value disclosure of U.S. government agency sponsored securities.

+ References

No definition available.

+ Details

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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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 item represents securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages) as of the balance sheet date which have been categorized as available-for-sale.

+ References

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

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 15

-IssueDate 2006-05-01

-Chapter 7

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Mortgage-Backed Securities

-URI http://asc.fasb.org/extlink&oid=6517959

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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 fair value of assets categorized as other which are not in and of themselves material enough to require separate disclosure.

+ References

No definition available.

+ Details

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