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SHARE-BASED COMPENSATION
9 Months Ended
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]  
SHARE-BASED COMPENSATION
11. SHARE-BASED COMPENSATION
 
Restricted Stock Units
 
The table below presents the activity of restricted stock units for the nine months ended September 30, 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
181,431

 
28.89

Vested
(155,474
)
 
24.40

Forfeited
(15,205
)
 
29.24

Non-vested restricted stock units, end of period
373,477

 
28.89