STOCK-BASED COMPENSATION (Detail Textuals 2) - Stock Options - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Total intrinsic value of options exercised | $ 1.3 | $ 5.2 | $ 0.2 |
| Total intrinsic value of exercisable shares | $ 12.2 | ||