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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of the status and activity of non-vested restricted stock
A summary of the status and activity of non-vested restricted stock units for the three months ended March 31, 2018 is presented below:
 
Restricted Stock Units
 
Weighted-
Average
Grant-Date
Fair Value    
Non-vested at beginning of year
261,165

 
$
34.93

Granted
—

 
$
—

Vested
(107
)
 
$
34.36

Forfeited
(2,138
)
 
$
34.36

Non-vested at end of quarter
258,920

 
$
34.93
Summary of the status and activity of non-vested Units
A summary of the status and activity of non-vested stock options for the three months ended March 31, 2018 is presented below:
 
Stock Options
 
Weighted-
Average
Exercise Price
 
Weighted-Average Remaining Contractual Term (in years)
 
Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of year
197,271

 
$
34.36

 
9.3

 
$
—

Granted
—

 
—

 
—

 
$
—

Exercised
—

 
—

 
—

 
—

Forfeited
(2,138
)
 
34.36

 
9.3

 
$
—

Outstanding at end of quarter
195,133

 
$
34.36

 
8.6

 
$
—


A summary of additional information related to options outstanding and exercisable as of March 31, 2018 is presented below:
Exercise Price
Number of Options Outstanding and Exercisable
Weighted-Average Remaining Contractual Life (in days)
$34.36
107
69