INVESTMENT SECURITIES HELD TO MATURITY - Classified (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Amortized cost | $ 78,672 | $ 87,521 |
| Fair value | 81,952 | 92,816 |
| State and municipal securities | ||
| Schedule of Held-to-maturity Securities [Line Items] | ||
| Amortized cost | 78,672 | 87,521 |
| Gross unrealized gains | 3,517 | 5,364 |
| Gross unrealized losses | 237 | 69 |
| Fair value | $ 81,952 | $ 92,816 |