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STOCK COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]  
Summary of Status of RSUs
A summary of the RSUs outstanding as of June 30, 2019, and 2018, and changes during the six months ended June 30, 2019 and 2018, follows:
 
2019
 
2018
 
Shares
 
Weighted-Average Grant Date
Fair Value
 
Shares
 
Weighted-Average Grant Date
Fair Value
Outstanding at January 1,
266,995

 
$
43.89

 
301,578

 
$
34.74

Granted
157,583

 
45.00

 
113,738

 
55.16

Vested
(139,623
)
 
38.82

 
(124,764
)
 
32.64

Forfeited
(18,015
)
 
49.31

 
(25,011
)
 
45.50

Outstanding at June 30,
266,940

 
$
46.97

 
265,541

 
$
43.49