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SECURITIES AVAILABLE FOR SALE - Summary of Securities with Unrealized Losses (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Gross Unrealized Losses |  |
Less Than Twelve Months | $ 565 | $ 517
Over Twelve Months | 3,183 | 13,658
Total | 3,748 | 14,175
Fair Value |  |
Less Than Twelve Months | 39,411 | 50,873
Over Twelve Months | 160,015 | 428,272
Total | 199,426 | 479,145
US Government-sponsored enterprises |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 230 | 155
Over Twelve Months | 2,348 | 9,289
Total | 2,578 | 9,444
Fair Value |  |
Less Than Twelve Months | 6,510 | 19,367
Over Twelve Months | 119,451 | 297,569
Total | 125,961 | 316,936
US Government agency |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 5 | 16
Over Twelve Months | 378 | 1,919
Total | 383 | 1,935
Fair Value |  |
Less Than Twelve Months | 3,160 | 2,570
Over Twelve Months | 26,316 | 68,266
Total | 29,476 | 70,836
Private label |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 221 | 79
Over Twelve Months | 4 | 5
Total | 225 | 84
Fair Value |  |
Less Than Twelve Months | 19,729 | 10,393
Over Twelve Months | 40 | 47
Total | 19,769 | 10,440
Obligations of states and political subdivisions thereof |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 0 | 43
Over Twelve Months | 306 | 2,033
Total | 306 | 2,076
Fair Value |  |
Less Than Twelve Months | 0 | 6,784
Over Twelve Months | 12,086 | 47,930
Total | 12,086 | 54,714
Corporate bonds |  |
Gross Unrealized Losses |  |
Less Than Twelve Months | 109 | 224
Over Twelve Months | 147 | 412
Total | 256 | 636
Fair Value |  |
Less Than Twelve Months | 10,012 | 11,759
Over Twelve Months | 2,122 | 14,460
Total | $ 12,134 | $ 26,219

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