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SHARE-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2018
SHARE-BASED COMPENSATION |
Summary of the Company's restricted stock unit award program | A summary of the Company’s restricted stock unit award program is presented below:
|  |  |  | Weighted-Average |
|  |  |  | Grant Date |
|  | Units |  | Fair Value |
Outstanding – January 1, 2018 |  | 1,459,260 |  | $ | 22.98 |
Granted |  | 2,400 |  | $ | 33.85 |
Vested |  | (48,039) |  | $ | 22.76 |
Forfeited(1) |  | (5,611) |  | $ | 24.27 |
Outstanding – June 30, 2018 |  | 1,408,010 |  | $ | 23.00 |
| 1) |  | Forfeitures are recognized as they occur.

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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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