OFF-BALANCE SHEET ARRANGEMENTS, COMMITMENTS AND CONTINGENCIES - Contractual Amounts of Financial Instruments With Off-balance Sheet Risk (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Fixed Rate | $ 363,245 | $ 262,118 |
| Variable Rate | 232,676 | 222,198 |
| Commitments to extend credit | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Fixed Rate | 353,822 | 252,662 |
| Variable Rate | 232,551 | 222,198 |
| Standby letters of credit | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Fixed Rate | 9,423 | 9,456 |
| Variable Rate | $ 125 | $ 0 |