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INVESTMENT SECURITIES (Investment securities with unrealized losses) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | $ 109,067 | $ 42,687
Less than 12 Months, Unrealized Losses | 1,116 | 93
Greater than 12 Months, Market Value | 10,996 | 8,042
Greater than 12 Months, Unrealized Losses | 429 | 635
Total, Market Value | 120,063 | 50,729
Total, Unrealized Losses | 1,545 | 728
U.S. Government Agency [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 49,639 | 8,464
Less than 12 Months, Unrealized Losses | 208 | 23
Greater than 12 Months, Market Value | 2,984 | 790
Greater than 12 Months, Unrealized Losses | 7 | 2
Total, Market Value | 52,623 | 9,254
Total, Unrealized Losses | 215 | 25
States and Political Subdivisions [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 24,238 | 30,302
Less than 12 Months, Unrealized Losses | 100 | 55
Greater than 12 Months, Market Value | 6,270 | 5,028
Greater than 12 Months, Unrealized Losses | 7 | 8
Total, Market Value | 30,508 | 35,330
Total, Unrealized Losses | 107 | 63
Mortgage-Backed Securities [Member] |  |
Investment securities with unrealized losses |  |
Less than 12 Months, Market Value | 35,190 | 3,921
Less than 12 Months, Unrealized Losses | 808 | 15
Greater than 12 Months, Market Value | 1,342 | 1,624
Greater than 12 Months, Unrealized Losses | 15 | 25
Total, Market Value | 36,532 | 5,545
Total, Unrealized Losses | 823 | 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 | 400 | 600
Greater than 12 Months, Unrealized Losses | 400 | 600
Total, Market Value | 400 | 600
Total, Unrealized Losses | $ 400 | $ 600

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