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SECURITIES AVAILABLE FOR SALE - Summary of Securities with Unrealized Losses (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Gross Unrealized Losses |  |
Less Than Twelve Months | $ 4,527 | $ 8,093
Over Twelve Months | 1,592 | 803
Total | 6,119 | 8,896
Fair Value |  |
Less Than Twelve Months | 273,076 | 311,765
Over Twelve Months | 41,051 | 18,611
Total | 314,127 | 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 | 3,161 | 4,369
Over Twelve Months | 972 | 496
Total | 4,133 | 4,865
Fair Value |  |
Less Than Twelve Months | 198,257 | 197,914
Over Twelve Months | 27,076 | 10,120
Total | 225,333 | 208,034
US Government agency |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 391 | 472
Over Twelve Months | 136 | 141
Total | 527 | 613
Fair Value |  |
Less Than Twelve Months | 37,729 | 36,941
Over Twelve Months | 5,774 | 4,263
Total | 43,503 | 41,204
Private label |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 0 | 0
Over Twelve Months | 7 | 11
Total | 7 | 11
Fair Value |  |
Less Than Twelve Months | 7 | 107
Over Twelve Months | 271 | 312
Total | 278 | 419
Obligations of states and political subdivisions thereof |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 957 | 3,252
Over Twelve Months | 477 | 155
Total | 1,434 | 3,407
Fair Value |  |
Less Than Twelve Months | 33,058 | 76,803
Over Twelve Months | 7,930 | 3,916
Total | 40,988 | 80,719
Corporate bonds |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 18 | 0
Over Twelve Months | 0 | 0
Total | 18 | 0
Fair Value |  |
Less Than Twelve Months | 4,025 | 0
Over Twelve Months | 0 | 0
Total | $ 4,025 | $ 0

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