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SHARE-BASED COMPENSATION
3 Months Ended
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
SHARE-BASED COMPENSATION
11. SHARE-BASED COMPENSATION
 
Restricted Stock Units
 
The table below presents the activity of restricted stock units for the three months ended March 31, 2019:
 
 
Shares
 
Weighted Average Grant Date Fair Value
Non-vested restricted stock units, beginning of period
362,725

 
$
26.98

Changes during the period:
 

 
 

Granted
111,478

 
29.27

Vested
(50,062
)
 
22.03

Forfeited
(5,890
)
 
29.83

Non-vested restricted stock units, end of period
418,251

 
28.15