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Securities (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
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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

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- 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -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 Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19 -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
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