Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Available for sale [Abstract]
Amortized Cost	$ 189,877	$ 186,667
Gross Unrealized Gains	3,042	3,946
Gross Unrealized Losses	1,379	798
Fair Value	191,540	189,815
U.S. Treasury [Member]
Available for sale [Abstract]
Amortized Cost	2,003	2,005
Gross Unrealized Gains	50	68
Gross Unrealized Losses	0	0
Fair Value	2,053	2,073
U.S. Government Agencies and Corporations [Member]
Available for sale [Abstract]
Amortized Cost	137,851	128,805
Gross Unrealized Gains	976	1,381
Gross Unrealized Losses	1,189	622
Fair Value	137,638	129,564
State and Political Subdivisions [Member]
Available for sale [Abstract]
Amortized Cost	32,082	35,029
Gross Unrealized Gains	1,505	1,753
Gross Unrealized Losses	4	3
Fair Value	33,583	36,779
Mortgage-Backed Securities [Member]
Available for sale [Abstract]
Amortized Cost	3,739	4,202
Gross Unrealized Gains	333	367
Gross Unrealized Losses	0	0
Fair Value	4,072	4,569
Corporate Debt Securities [Member]
Available for sale [Abstract]
Amortized Cost	11,809	14,207
Gross Unrealized Gains	178	368
Gross Unrealized Losses	52	0
Fair Value	11,935	14,575
Other Securities [Member]
Available for sale [Abstract]
Amortized Cost	2,393	2,419
Gross Unrealized Gains	0	9
Gross Unrealized Losses	134	173
Fair Value	$ 2,259	$ 2,255

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

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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.

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 14

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

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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.

+ Details

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details