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INVESTMENT SECURITIES (Investment securities with unrealized losses) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | $ 37,975 | $ 42,687
Less than 12 Months, Unrealized Losses | 69 | 93
Greater than 12 Months, Market Value | 9,073 | 8,042
Greater than 12 Months, Unrealized Losses | 631 | 635
Total, Market Value | 47,048 | 50,729
Total, Unrealized Losses | 700 | 728
U.S. Government Treasury [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value |  |
Less than 12 Months, Unrealized Losses |  |
Greater than 12 Months, Market Value |  |
Greater than 12 Months, Unrealized Losses |  |
Total, Market Value |  |
Total, Unrealized Losses |  |
U.S. Government Agency [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 21,891 | 8,464
Less than 12 Months, Unrealized Losses | 19 | 23
Greater than 12 Months, Market Value | 762 | 790
Greater than 12 Months, Unrealized Losses | 3 | 2
Total, Market Value | 22,653 | 9,254
Total, Unrealized Losses | 22 | 25
States and Political Subdivisions [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 11,373 | 30,302
Less than 12 Months, Unrealized Losses | 30 | 55
Greater than 12 Months, Market Value | 6,179 | 5,028
Greater than 12 Months, Unrealized Losses | 8 | 8
Total, Market Value | 17,552 | 35,330
Total, Unrealized Losses | 38 | 63
Mortgage-Backed Securities [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 4,711 | 3,921
Less than 12 Months, Unrealized Losses | 20 | 15
Greater than 12 Months, Market Value | 1,532 | 1,624
Greater than 12 Months, Unrealized Losses | 20 | 25
Total, Market Value | 6,243 | 5,545
Total, Unrealized Losses | 40 | 40
Other Securities [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value |  |
Less than 12 Months, Unrealized Losses |  |
Greater than 12 Months, Market Value | 600 | 600
Greater than 12 Months, Unrealized Losses | 600 | 600
Total, Market Value | 600 | 600
Total, Unrealized Losses | $ 600 | $ 600

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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a(1) -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 Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a(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. + Details
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