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SECURITIES AVAILABLE FOR SALE - Summary of Securities with Unrealized Losses (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Gross Unrealized Losses |  |
Less Than Twelve Months | $ 7,927 | $ 8,093
Over Twelve Months | 860 | 803
Total | 8,786 | 8,896
Fair Value |  |
Less Than Twelve Months | 328,650 | 311,765
Over Twelve Months | 22,521 | 18,611
Total | 351,171 | 330,376
Obligations of US Government sponsored enterprises |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 0 | 0
Over Twelve Months | 0 | 0
Total | 0 | 0
Fair Value |  |
Less Than Twelve Months | 0 | 0
Over Twelve Months | 0 | 0
Total | 0 | 0
US Government-sponsored enterprises |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 4,512 | 4,369
Over Twelve Months | 538 | 496
Total | 5,050 | 4,865
Fair Value |  |
Less Than Twelve Months | 215,895 | 197,914
Over Twelve Months | 13,067 | 10,120
Total | 228,962 | 208,034
US Government agency |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 521 | 472
Over Twelve Months | 149 | 141
Total | 670 | 613
Fair Value |  |
Less Than Twelve Months | 42,042 | 36,941
Over Twelve Months | 4,693 | 4,263
Total | 46,735 | 41,204
Private label |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 0 | 0
Over Twelve Months | 10 | 11
Total | 10 | 11
Fair Value |  |
Less Than Twelve Months | 0 | 107
Over Twelve Months | 298 | 312
Total | 298 | 419
Obligations of states and political subdivisions thereof |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 2,872 | 3,252
Over Twelve Months | 163 | 155
Total | 3,034 | 3,407
Fair Value |  |
Less Than Twelve Months | 67,691 | 76,803
Over Twelve Months | 4,463 | 3,916
Total | 72,154 | 80,719
Corporate bonds |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 22 | 0
Over Twelve Months | 0 | 0
Total | 22 | 0
Fair Value |  |
Less Than Twelve Months | 3,022 | 0
Over Twelve Months | 0 | 0
Total | $ 3,022 | $ 0

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