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INVESTMENT SECURITIES (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Available-for-sale |  |  |  |
Amortized Cost | $ 321,944 |  | $ 251,147 |
Unrealized Gains | 649 |  | 588 |
Unrealized Losses | 296 |  | 315 |
Market value | 322,297 |  | 251,420 |
Federal Home Loan Bank | 3,900 |  | 5,000 |
Federal Reserve Bank stock | 4,800 |  | 4,800 |
Held to Maturity |  |  |  |
Amortized Cost | 173,188 |  | 148,211 |
Unrealized Gains | 213 |  | 187 |
Unrealized Losses | 684 |  | 1,437 |
Market value | 172,717 |  | 146,961 |
U.S. Treasury |  |  |  |
Available-for-sale |  |  |  |
Amortized Cost | 165,055 |  | 71,791 |
Unrealized Gains | 97 |  | 82 |
Unrealized Losses | 95 |  | 40 |
Market value | 165,057 |  | 71,833 |
Held to Maturity |  |  |  |
Amortized Cost | 76,235 |  | 43,533 |
Unrealized Gains | 108 |  | 84 |
Unrealized Losses | 63 |  | 38 |
Market value | 76,280 |  | 43,579 |
U.S. Government Agency |  |  |  |
Available-for-sale |  |  |  |
Amortized Cost | 94,925 |  | 75,275 |
Unrealized Gains | 259 |  | 127 |
Unrealized Losses | 190 |  | 256 |
Market value | 94,994 |  | 75,146 |
Held to Maturity |  |  |  |
Amortized Cost | 22,322 |  | 15,794 |
Unrealized Gains | 28 |  | 38 |
Unrealized Losses | 37 |  | 22 |
Market value | 22,313 |  | 15,810 |
States and Political Subdivisions |  |  |  |
Available-for-sale |  |  |  |
Amortized Cost | 51,052 |  | 91,605 |
Unrealized Gains | 99 |  | 167 |
Unrealized Losses | 11 |  | 19 |
Market value | 51,140 |  | 91,753 |
Held to Maturity |  |  |  |
Amortized Cost | 30,244 |  | 33,216 |
Unrealized Gains | 63 |  | 53 |
Unrealized Losses | 5 |  | 4 |
Market value | 30,302 |  | 33,265 |
Mortgage-Backed Securities |  |  |  |
Available-for-sale |  |  |  |
Amortized Cost | 2,167 |  | 2,583 |
Unrealized Gains | 194 |  | 212 |
Unrealized Losses |  |  |  |
Market value | 2,361 |  | 2,795 |
Held to Maturity |  |  |  |
Amortized Cost | 44,387 |  | 55,668 |
Unrealized Gains | 14 |  | 12 |
Unrealized Losses | 579 |  | 1,373 |
Market value | 43,822 |  | 54,307 |
Equity Securities |  |  |  |
Available-for-sale |  |  |  |
Amortized Cost | 8,745 | [1] | 9,893 | [1]
Unrealized Gains |  | [1] |  | [1]
Unrealized Losses |  | [1] |  | [1]
Market value | $ 8,745 | [1] | $ 9,893 | [1]
[1] | Includes Federal Home Loan Bank and Federal Reserve Bank stock recorded at cost of $3.9 million and $4.8 million, respectively, at September 30, 2014 and $5.0 million and $4.8 million, respectively, at December 31, 2013.

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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
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- Definition Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478792&loc=d3e63345-112809 + Details
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- Definition Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 + Details
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