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LOANS AND ALLOWANCE FOR LOAN LOSSES - Summary of Credit Exposure (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | $ 1,307,375 | $ 1,245,135 | $ 1,229,341
Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 1,265,604 | 1,218,456 |
Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 30,252 | 11,791 |
Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 11,519 | 14,752 |
Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 136 |
Commercial and industrial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 192,663 | 223,997 | 224,617
Commercial and industrial | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 188,440 | 218,975 |
Commercial and industrial | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 3,705 | 4,299 |
Commercial and industrial | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 518 | 706 |
Commercial and industrial | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 17 |
Construction and development |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 201,067 | 129,366 | 125,045
Construction and development | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 181,879 | 127,537 |
Construction and development | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 19,188 | 4 |
Construction and development | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 0 | 1,825 |
Construction and development | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 0 |
Commercial real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 393,314 | 367,656 | 360,676
Commercial real estate | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 388,007 | 360,264 |
Commercial real estate | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 1,030 | 1,927 |
Commercial real estate | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 4,277 | 5,465 |
Commercial real estate | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 0 |
Farmland |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 54,349 | 62,362 | 61,902
Farmland | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 53,649 | 61,713 |
Farmland | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 413 | 248 |
Farmland | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 287 | 401 |
Farmland | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 0 |
1-4 family residential |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 365,889 | 362,952 | 348,401
1-4 family residential | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 357,814 | 353,483 |
1-4 family residential | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 3,059 | 4,311 |
1-4 family residential | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 5,016 | 5,121 |
1-4 family residential | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 37 |
Multi-family residential |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 23,235 | 26,079 | 34,538
Multi-family residential | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 21,659 | 25,871 |
Multi-family residential | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 1,348 | 0 |
Multi-family residential | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 228 | 208 |
Multi-family residential | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 0 |
Consumer and Overdrafts |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 52,409 | 53,822 |
Consumer and Overdrafts | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 51,631 | 52,648 |
Consumer and Overdrafts | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 362 | 524 |
Consumer and Overdrafts | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 416 | 568 |
Consumer and Overdrafts | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | 82 |
Agricultural |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 24,449 | 18,901 | $ 19,223
Agricultural | Pass |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 22,525 | 17,965 |
Agricultural | Special mention |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | 1,147 | 478 |
Agricultural | Substandard |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans | $ 777 | 458 |
Agricultural | Doubtful |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total loans |  | $ 0 |

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