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Consolidated Statements of Income (Audited) (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement [Abstract]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	$ 1,041,000	$ 5,093,000	$ 290,000
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Tax	21,000	8,000
Interest and fees on loans (tax-exempt income)	629,000	696,000	868,000
Interest and dividends on investments (tax-exempt income)	$ 5,175,000	$ 4,332,000	$ 3,373,000

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Interest income and fees derived from loans which are exempt from federal income taxes.

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Interest income derived from securities which are exempt from federal income taxes.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 2

-Article 9



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

-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 1

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For each annual statement of income presented, the tax effect of the net transition asset or obligation recognized as a reclassification adjustment of other comprehensive income as a result of being recognized as a component of net periodic benefit cost for the period.

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

-Publisher FASB

-Name Accounting Standards Codification

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-Number 51

-Paragraph 38

-Subparagraph c(3)

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Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

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

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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