STOCK-BASED COMPENSATION (Detail Textuals 2) - Restricted Stock - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Unrecognized compensation cost related to non-vested restricted shares | $ 8,646,000 | |
| Unrecognized compensation cost related to non-vested restricted shares recognized period | 3 years 9 months | |
| Tax benefits for compensation tax deductions in excess of compensation expense | $ 545,000 | $ 580,000 |