FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Available for sale states and political subdivisions debt securities
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Aggregate fair value / Balance at the beginning of the period	$ 12,994	$ 12,619
Principal payments received	(377)	(354)
Unrealized net gain included in other comprehensive income	209	729
Aggregate fair value / Balance at the end of the period	12,826	12,994
Mortgage revenue bonds
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Aggregate fair value / Balance at the end of the period	12,800
Additional disclosures
Number of investment securities held	4
Mortgage revenue bonds \| Weighted average
Additional disclosures
Discount rate (as a percent)	4.45%
Available for sale non-agency collateralized mortgage obligations
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis
Aggregate fair value / Balance at the beginning of the period		17
Principal payments received		$ (17)

Represents the number of investment securities held by the entity at the reporting date.

No definition available.

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- Details

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

+ Details

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- Definition

Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).

+ References

+ Details

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- Definition

Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

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- Definition

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ 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 (c)

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph c

-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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