STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Options Activity
A summary of the status of the Company’s stock options as of March 31, 2015, and the activity during the three months then ended, is presented below:
Stock Options
Options
Outstanding at December 31, 2014
528,680

Granted
167,204

Forfeited
(6,974
)
Expired
(8,808
)
Exercised
(46,523
)
Outstanding at March 31, 2015
633,579

Exercisable at March 31, 2015
382,822

Schedule of Fair Value of Stock Options Granted
The fair value of stock options granted was estimated at the date of grant using the Black-Scholes option-pricing model based upon the assumptions noted in the following table:
 
2015
Risk-free interest rate
1.18
%
Expected dividend yield
0.00
%
Expected lives (in years)
5.0

Expected volatility
44.00
%
Summary Nonvested Restricted Stock Awards
A summary of the status of the Company’s nonvested restricted stock as of March 31, 2015, and the activity during the three months then ended, is presented below:
Nonvested Restricted Stock Awards
Shares
Nonvested at December 31, 2014
199,069

Granted

Vested
(60,536
)
Forfeited
(8,144
)
Nonvested at March 31, 2015
130,389

Summary of Nonvested Restricted Stock Units
A summary of the status of the Company's nonvested restricted stock units as of March 31, 2015, and the activity during the three months then ended, is presented below:
Nonvested Restricted Stock Units
Shares
Nonvested at December 31, 2014

Granted
76,231

Vested

Forfeited

Nonvested at March 31, 2015
76,231

Summary of Company's Performance Share Award
A summary of the Company’s performance share awards as of March 31, 2015, and the activity during the three months then ended, is presented below:
Performance Share Awards
 
Awards
Activity
 
Maximum Shares
Eligible to
Receive
Outstanding at December 31, 2014
 
157,083

 
314,166

Granted
 
150,339

 
300,678

Vested
 
(43,804
)
 
(87,608
)
Forfeited
 
(9,527
)
 
(19,054
)
Outstanding at March 31, 2015
 
254,091

 
508,182