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INVESTMENT SECURITIES (Details 3) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Available-for-sale securities |  |
Less Than 12 Months, Market Value | $ 233,177 | $ 70,495
Less Than 12 Months, Unrealized Losses | 499 | 150
Greater Than 12 Months, Market Value | 14,710 | 18,973
Greater Than 12 Months, Unrealized Losses | 76 | 93
Total Market Value | 247,887 | 89,468
Total Unrealized Losses | 575 | 243
Held-to-maturity debt securities |  |
Less Than 12 Months, Market Value | 114,403 | 43,902
Less Than 12 Months, Unrealized Losses | 357 | 180
Greater Than 12 Months, Market Value | 11,889 | 18,155
Greater Than 12 Months Or Longer, Unrealized Losses | 222 | 231
Total Market Value | 126,292 | 62,057
Total Unrealized Losses | 579 | 411
U.S. Treasury [Member] |  |
Available-for-sale securities |  |
Less Than 12 Months, Market Value | 150,061 | 35,838
Less Than 12 Months, Unrealized Losses | $ 213 | $ 19
Greater Than 12 Months, Market Value |  |
Greater Than 12 Months, Unrealized Losses |  |
Total Market Value | $ 150,061 | $ 35,838
Total Unrealized Losses | 213 | 19
Held-to-maturity debt securities |  |
Less Than 12 Months, Market Value | 92,339 | 15,046
Less Than 12 Months, Unrealized Losses | $ 160 | $ 6
Greater Than 12 Months, Market Value |  |
Greater Than 12 Months Or Longer, Unrealized Losses |  |
Total Market Value | $ 92,339 | $ 15,046
Total Unrealized Losses | 160 | 6
U.S. Government Agency [Member] |  |
Available-for-sale securities |  |
Less Than 12 Months, Market Value | 43,508 | 18,160
Less Than 12 Months, Unrealized Losses | 200 | 54
Greater Than 12 Months, Market Value | 9,644 | 18,468
Greater Than 12 Months, Unrealized Losses | 63 | 88
Total Market Value | 53,152 | 36,628
Total Unrealized Losses | 263 | 142
Held-to-maturity debt securities |  |
Less Than 12 Months, Market Value | 5,006 | 10,002
Less Than 12 Months, Unrealized Losses | $ 5 | $ 19
Greater Than 12 Months, Market Value |  |
Greater Than 12 Months Or Longer, Unrealized Losses |  |
Total Market Value | $ 5,006 | $ 10,002
Total Unrealized Losses | 5 | 19
States and Political Subdivisions [Member] |  |
Available-for-sale securities |  |
Less Than 12 Months, Market Value | 39,608 | 16,497
Less Than 12 Months, Unrealized Losses | 86 | 77
Greater Than 12 Months, Market Value | 5,066 | 505
Greater Than 12 Months, Unrealized Losses | 13 | 5
Total Market Value | 44,674 | 17,002
Total Unrealized Losses | 99 | 82
Held-to-maturity debt securities |  |
Less Than 12 Months, Market Value | 3,791 | 3,788
Less Than 12 Months, Unrealized Losses | $ 7 | $ 6
Greater Than 12 Months, Market Value |  |
Greater Than 12 Months Or Longer, Unrealized Losses |  |
Total Market Value | $ 3,791 | $ 3,788
Total Unrealized Losses | 7 | 6
Mortgage-Backed Securities [Member] |  |
Held-to-maturity debt securities |  |
Less Than 12 Months, Market Value | 13,267 | 15,066
Less Than 12 Months, Unrealized Losses | 185 | 149
Greater Than 12 Months, Market Value | 11,889 | 18,155
Greater Than 12 Months Or Longer, Unrealized Losses | 222 | 231
Total Market Value | 25,156 | 33,221
Total Unrealized Losses | $ 407 | $ 380

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